Acura Vehicle Models TL 1999-2003 Torque Specifications
Acura Vehicle Models TL 1999-2003

Acura Vehicle Models TL 1999-2003 Torque Specifications

Complete Acura Vehicle Models TL 1999-2003 torque specifications guide. Includes factory-specified torque values, torque sequences, and technical specifications for all components including body, brakes, drivetrain, electrical, emissions sensors, fuel, exhaust, HVAC, and suspension. Essential information for proper assembly and maintenance.

Updated

Important Information

Safety guidelines and reference information for proper torque application

Quick Reference Guide
ft-lbs → Nm
× 1.356
ft-lbs → kg-m
× 0.138
Nm → ft-lbs
× 0.738
in-lbs → ft-lbs
× 0.083

Common Torque Patterns

Star Pattern

Used for wheels and other circular bolt patterns

Star Pattern torque pattern diagram showing proper bolt tightening sequence
Cross Pattern

Used for gaskets and cover plates

Cross Pattern torque pattern diagram showing proper bolt tightening sequence
Sequential Pattern

Used for head bolts and other critical components

Sequential Pattern torque pattern diagram showing proper bolt tightening sequence

Common Mistakes to Avoid

Over-tightening

Exceeding the specified torque value can stretch or break fasteners, damage threads, or crack components.

Prevention:

Always use a calibrated torque wrench and follow specifications exactly.

Incorrect Torque Sequence

Tightening bolts in the wrong order can cause uneven pressure distribution and potential leaks or damage.

Prevention:

Follow the manufacturer's specified torque sequence pattern.

Dirty Threads

Dirt, rust, or old thread locker can affect torque readings and proper fastener tension.

Prevention:

Clean and inspect all threads before assembly. Use new thread locker if specified.

Reusing TTY Bolts

Torque-to-yield bolts are designed to stretch and must not be reused.

Prevention:

Always replace TTY bolts with new ones. They are single-use only.

Dry vs. Lubricated

Not accounting for whether torque specs are for dry or lubricated fasteners can lead to incorrect tension.

Prevention:

Check if specs are for dry or lubricated threads. Use specified lubricant when required.

Recommended Tools

Torque Wrench (1/4" Drive)

Range: 2-25 ft-lbs
Small fasteners, delicate components

Torque Wrench (3/8" Drive)

Range: 10-100 ft-lbs
Most common automotive fasteners

Torque Wrench (1/2" Drive)

Range: 30-250 ft-lbs
Large fasteners, wheels

Angle Gauge

Torque-to-yield (TTY) bolts

Torque Wrench Care

  • Calibrate annually or after 5,000 clicks
  • Store at lowest setting
  • Keep clean and lubricated

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Torque Calculator

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3.2l Engine

Torque specifications for 3.2L Engine

3.2l Engine Cylinder Head

1

Cylinder Head Bolts

M11 x 1.5
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Follow manufacturer's torque sequence. Clean bolt threads before installation.
2

Valve Cover Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure valve cover gasket is correctly installed. Do not overtighten.
3

Rocker Arms/Shafts Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (25 N·m)
Important Notes
Ensure proper rocker arm alignment. Do not overtighten.
4

Spark Plugs

M14 x 1.25
Torque Specification
13 ft-lbs (18 N·m)
Important Notes
Ensure spark plugs are correctly threaded into the cylinder head. Use anti-seize on threads if required.

3.2l Engine Block

1

Main Bearing Bolts

M10 x 1.5
Torque Specification
56 ft-lbs (76 N·m)
Important Notes
Follow the manufacturer's specified torque sequence. Clean bolt threads before installation.
2

Connecting Rod Nuts

M9 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure proper rod bearing alignment. Do not overtighten.
3

Oil Pan Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure oil pan gasket is correctly installed. Do not overtighten.
4

Oil Drain Plug Bolt

M14 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Use a new washer if required. Do not overtighten.
5

Oil Filter Housing Bolt

N/A
Torque Specification
N/A
Important Notes
Hand tighten only. Use a new o-ring or crush washer when installing.
6

Water Pump Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure water pump gasket is correctly installed. Do not overtighten.
7

Thermostat Housing Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure thermostat housing gasket is correctly installed. Do not overtighten.

3.2l Engine Intake System

1

Intake Manifold Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Follow manufacturer's torque sequence. Ensure manifold gasket is in good condition.
2

Throttle Body Bolts

M6 x 1.0
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure throttle body gasket is in good condition. Do not overtighten.
3

EGR Valve Bolts

M6 x 1.0
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure EGR valve gasket is in good condition.
4

Fuel Rail Bolts

M6 x 1.0
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure fuel rail is correctly seated. Do not overtighten.
5

Fuel Injector Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure fuel injectors are correctly seated in the manifold. Do not overtighten.
6

Fuel Injector Rail Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the fuel rail is correctly seated. Do not overtighten.

3.2l Engine Exhaust System

1

Exhaust Manifold/Headers Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Follow the manufacturer's torque sequence. Ensure exhaust gasket is in good condition.

3.2l Engine Timing System

1

Timing Belt/Chain Tensioner Bolt

M8 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure tensioner is in correct position. Do not overtighten.
2

Camshaft Sprocket Bolt

M10 x 1.25
Torque Specification
56 ft-lbs (76 N·m)
Important Notes
Ensure camshaft sprocket is correctly aligned. Do not overtighten.

3.2l Engine Front Accessories

1

Crankshaft Pulley/Harmonic Balancer Bolt

M16 x 1.5
Torque Specification
181 ft-lbs (245 N·m)
Important Notes
Ensure pulley is seated correctly. Use a new bolt if specified by the manufacturer. High torque - be careful.
2

Water Pump Pulley Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure water pump pulley is correctly aligned. Do not overtighten.
3

Serpentine/Accessory Drive Belt Tensioner Bolt

M8 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure tensioner is in correct position. Do not overtighten.
4

Drive Belt Idler Pulley Bolt

M8 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure idler pulley is in correct position. Do not overtighten.

3.2l Engine Sensors

1

Crankshaft Position Sensor (CKP) Bolt

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure sensor is correctly seated. Do not overtighten. Estimated value.
2

Camshaft Position Sensor (CMP) Bolt

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure sensor is correctly seated. Do not overtighten. Estimated value.
3

Knock Sensor Bolt

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure sensor is correctly seated. Do not overtighten. Estimated value.
4

Engine Coolant Temperature Sensor Bolt

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure sensor is correctly seated. Do not overtighten. Estimated value.
5

Ignition Coil Bolt

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure ignition coil is correctly seated. Do not overtighten.

3.2l Engine Transmission

1

Flywheel Bolts

M12 x 1.25
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Ensure flywheel is correctly seated. Use new bolts if specified. High torque application.

B7xa Transmission

Torque specifications for B7xa Transmission

B7xa Transmission Case

1

Transmission Case Bolts

M10 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque range is between 33-37 ft-lbs (44-50 Nm). Use a crisscross pattern. Value estimated based on common bolt size and application.
2

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a star pattern.
3

Shift Solenoid Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure solenoid is properly aligned before tightening. Over-tightening may damage the solenoid.
4

Speed Sensor Bolt(s)

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Torque value is estimated between 7-10 ft-lbs (10-14 Nm). Do not overtighten.
5

Transmission Mount Bolts (to Transmission Case)

M10 x 1.5
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Apply even torque to all bolts.

B7xa Transmission External

1

Transmission Mounting Bolts

M12 x 1.75
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure bolts are correctly threaded. Tighten evenly.
2

Torque Converter Bolts

M10 x 1.25
Torque Specification
34 ft-lbs (46 N·m)
Important Notes
Apply a small amount of oil to the bolt threads. Tighten in a star pattern.
3

Drive Axle/Half Shaft Bolts

M10 x 1.5
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Tighten bolts in a star pattern for even clamping.
4

CV Joint/Axle Nut

M24 x 1.5
Torque Specification
181 ft-lbs (245 N·m)
Important Notes
This nut requires a high torque, use a torque wrench for accuracy. Verify vehicle spec.
5

Transmission Fluid Drain/Fill Plug

M18 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Use new washers or seals to prevent leaks. Do not over tighten.

Body

Torque specifications for Body

Body Fuel System

1

Fuel Tank Strap Bolts

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure straps are correctly positioned before tightening.
2

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure the filler neck is properly aligned with the body opening before tightening.

Body Electrical

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7.2 ft-lbs (9.8 N·m)
Important Notes
Do not overtighten. Ensure terminals are clean before installation.

Body Doors

1

Door Hinge Bolts (Body Side)

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the door is aligned properly before tightening the bolts. This is an estimated value.
2

Door Latch Striker Bolts

M8 x 1.25
Torque Specification
15 ft-lbs (20 N·m)
Important Notes
Ensure the striker is correctly aligned for proper door latching. This is an estimated value.

Body Exterior

1

Fender Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even pressure and proper alignment. This is an estimated value.
2

Hood Hinge Bolts (Body Side)

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the hood is properly aligned before tightening the bolts. This is an estimated value.
3

Bumper Cover Mounting Bolts (to body)

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the bumper cover is properly aligned to the body before tightening. This is an estimated value.
4

Grille Mounting Bolts

M6 x 1.0
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Tighten bolts evenly to avoid cracking the grille or misaligning panels. This is an estimated value.

Body Interior

1

Seat Mounting Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Ensure all seat mounting points are correctly aligned before tightening. This is an estimated value. It is important to apply even torque to all seat mounting bolts for occupant safety.
2

Dashboard Mounting Bolts/Screws (General)

M5 x 0.8
Torque Specification
6 ft-lbs (8 N·m)
Important Notes
Tighten bolts/screws evenly to avoid dashboard damage. This is an estimated value.

Body Roof

1

Sunroof Assembly Bolts (Body Side)

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Tighten bolts evenly, working in a criss-cross pattern to avoid distortion and ensure proper seal. This is an estimated value.

Brakes

Torque specifications for Brakes

Brake Calipers

1

Brake Caliper Bolts

M12 x 1.75
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
These bolts attach the caliper to the mounting bracket. Ensure mating surfaces are clean before installation.
2

Brake Caliper Mounting Bracket Bolts

M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
These bolts secure the caliper mounting bracket to the steering knuckle or spindle.
3

Brake Caliper Bleeder Screw

M7 x 1.0
Torque Specification
10 ft-lbs (14 N·m)
Important Notes
Estimated value. Do not over-tighten. Tighten to prevent leaks, but do not crush the bleeder valve.
4

Brake Hose Banjo Bolt

M10 x 1.0
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Estimated value. Ensure proper crush washers are used and that they are installed correctly. This bolt secures the brake hose to the caliper. Torque is critical to avoid leaks.

Brake Rotors And Drums

1

Brake Disc/Drum Retaining Bolts

M6 x 1.0
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
These bolts hold the brake rotor or drum to the wheel hub. These are not load bearing bolts.

Wheel Nuts

1

Wheel Lug Nuts

Varies - Example: M14 x 1.5
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Torque lug nuts in a star pattern. Torque specifications may vary depending on the vehicle make and model. Check your vehicle's service manual for the exact specification.

Master Cylinder And Booster

1

Master Cylinder Mounting Bolts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. These bolts secure the master cylinder to the brake booster or firewall.
2

Brake Booster Mounting Nuts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. These nuts secure the brake booster to the firewall.

Pedal Assembly

1

Brake Pedal Assembly Mounting Bolts/Nuts

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. These bolts secure the brake pedal assembly. The bolts may be a combination of bolts and nuts.

Abs System

1

ABS Control Module Mounting Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value. These bolts secure the ABS control module to the vehicle.

Brake Lines

1

Brake Line Mounting Clips/Bracket Bolts

M6 x 1.0
Torque Specification
9 ft-lbs (12 N·m)
Important Notes
Estimated value. These bolts secure the brake lines and brackets to the chassis. Do not over-tighten.

Drivetrain

Torque specifications for Drivetrain

Drivetrain Flywheel Clutch

1

Flywheel Bolts

M10 x 1.25
Torque Specification
80 ft-lbs (108 N·m)
Important Notes
Tighten bolts in a star pattern. Ensure flywheel is properly aligned before tightening.
2

Clutch Pressure Plate Bolts

M8 x 1.25
Torque Specification
19 ft-lbs (26 N·m)
Important Notes
Tighten bolts in a star pattern. Ensure the clutch disc is properly aligned before tightening.
3

Clutch Slave Cylinder Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure the slave cylinder is properly seated before tightening.

Drivetrain Transmission

1

Transmission Case Bolts (Housing Bolts)

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Tighten in a cross pattern to ensure even pressure on the casing.
2

Transmission Mounting Bolts

M12 x 1.5
Torque Specification
40 ft-lbs (54 N·m)
Important Notes
Ensure proper engine/transmission alignment before tightening. Access can be difficult for some of these bolts.
3

Transmission Oil Pan Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Tighten bolts in a cross pattern. Use a new gasket for best seal.
4

Transmission Drain and Fill Plugs

M18 x 1.5
Torque Specification
36 ft-lbs (49 N·m)
Important Notes
Use new crush washers or sealing washers. Over-tightening can damage transmission case.

Drivetrain Axles Driveshaft

1

Drive Axle/Half Shaft Bolts

M10 x 1.25
Torque Specification
58 ft-lbs (79 N·m)
Important Notes
Ensure proper alignment with the transmission output flange or wheel hub before tightening.
2

CV Joint/Axle Nut

M22 x 1.5
Torque Specification
181 ft-lbs (245 N·m)
Important Notes
May be a single-use nut; replace if removed. Ensure correct bearing preload and joint integrity.
3

Propeller/Drive Shaft Bolts

M10 x 1.25
Torque Specification
43 ft-lbs (58 N·m)
Important Notes
Apply to all-wheel drive models only. Ensure correct alignment with the transmission transfer case and differential flanges before tightening.

Drivetrain Differential

1

Differential Housing Bolts

M8 x 1.25
Torque Specification
25 ft-lbs (34 N·m)
Important Notes
Tighten in a cross pattern. Ensure proper alignment of housing components before tightening.
2

Differential Drain/Fill Plug

M18 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Use a new crush washer. Applicable to automatic transmission models.

Drivetrain Transfer Case

1

Transfer Case Drain/Fill Plug

M18 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Use a new crush washer. Applicable to all-wheel drive models.

Electrical

Torque specifications for Electrical

3.0l Engine Cylinder Head

1

Ignition Coil Mounting Bolt

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure coil is properly seated before tightening. Check grounding contact is clean.

3.0l Engine Block

1

Starter Motor Mounting Bolts

M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure starter motor is properly aligned to the block before tightening. It is recommended to replace these bolts when removed.
2

Alternator Mounting Bolts

M10 x 1.5
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure alternator is properly aligned and the belt is properly tensioned after installation. It is recommended to replace these bolts when removed.

Electrical System

1

Battery Terminal Nuts

M6 x 1.0
Torque Specification
7.2 ft-lbs (9.8 N·m)
Important Notes
Do not overtighten these nuts as it can damage the battery terminal. Ensure that the terminal and cable are clean.
2

Engine Control Unit (ECU) Mounting Bolts/Nuts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value. Ensure ECU is properly seated and grounded. These are usually small bolts.
3

Ground Strap/Cable Bolts (Body to Engine, Chassis to Frame)

M8 x 1.25
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the ground connection points are free of paint, rust, and corrosion for a good electrical connection. The torque value may vary based on bolt size.
4

Fuse Box/Relay Box Mounting Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Estimated value for small bolts. Ensure box is properly seated and not binding.
5

Various Sensor Mounting Bolts (Crankshaft Position Sensor, Camshaft Position Sensor, etc.)

M6 x 1.0
Torque Specification
8 ft-lbs (11 N·m)
Important Notes
Estimated value. Torque specifications can vary based on sensor design and size of the bolt.

Emissions Sensors

Torque specifications for Emissions_sensors

Emissions Control System

1

Oxygen Sensor Bolts

M12 x 1.5
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Estimated value based on industry standards and manufacturer recommendations.
2

Heated Oxygen Sensor (HO2S) Bolts

M10 x 1.25
Torque Specification
17 ft-lbs (23 N·m)
Important Notes
Estimated value based on industry standards and manufacturer recommendations.
3

EGR Valve Bolts

M14 x 1.5
Torque Specification
16 ft-lbs (22 N·m)
4

Catalytic Converter to Exhaust Pipe Bolts

M16 x 1.5
Torque Specification
29 ft-lbs (39 N·m)
5

Emissions Control Module (ECM) Mounting Bolts

M10 x 1.25
Torque Specification
12 ft-lbs (16 N·m)
Important Notes
Estimated value based on industry standards and manufacturer recommendations.

Exhaust

Torque specifications for Exhaust

Exhaust Manifold

1

Exhaust Manifold/Headers to Cylinder Head Bolts

M10 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Tighten bolts in a crisscross pattern to ensure even pressure. Always replace gasket. Estimated bolt size, verify for vehicle.
2

Exhaust Pipe to Exhaust Manifold/Headers Bolts

M10 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Always replace gasket. Estimated bolt size, verify for vehicle.

Catalytic Converter

1

Catalytic Converter to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Always replace gasket. Estimated bolt size, verify for vehicle.

Muffler

1

Muffler to Exhaust Pipe Bolts

M10 x 1.25
Torque Specification
29 ft-lbs (39 N·m)
Important Notes
Always replace gasket. Estimated bolt size, verify for vehicle.

Exhaust Sensors

1

Oxygen Sensor

M18 x 1.5
Torque Specification
30 ft-lbs (41 N·m)
Important Notes
Apply anti-seize compound to threads. Estimated bolt size, verify for vehicle.

Exhaust System Mounts

1

Exhaust Hanger Bolts to Chassis/Frame

M8 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
These bolts secure the exhaust system to the chassis. Estimated bolt size, verify for vehicle. Use medium thread locker to help prevent loosening.
2

Exhaust Band Clamp Bolts

Varies
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Torque varies by clamp size. Consult clamp manufacturer if available, estimated average value.

Fuel

Torque specifications for Fuel

3.0l Fuel System Fuel Rail

1

Fuel Rail Mounting Bolts

M8 x 1.25
Torque Specification
16 ft-lbs (22 N·m)
Important Notes
Ensure proper sealing surfaces are clean before installation. Overtightening may damage the fuel rail or intake manifold.
2

Fuel Injector Mounting Bolts/Nuts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the injector O-rings are properly lubricated and seated before tightening. Overtightening can damage the injector and cause leaks.
3

Fuel Injector Rail Mounting Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the injector rail is properly seated before tightening. Overtightening can cause leaks.
4

Fuel Pressure Regulator Mounting Bolts/Nuts

M6 x 1.0
Torque Specification
7 ft-lbs (10 N·m)
Important Notes
Estimated value. Use a calibrated torque wrench to avoid over-tightening and damaging the regulator housing.
5

Fuel Line Banjo Bolts

M12 x 1.25
Torque Specification
18 ft-lbs (24 N·m)
Important Notes
Estimated value. Ensure new crush washers are used. Over-tightening can damage the fitting and cause leaks.

3.0l Fuel System Fuel Pump

1

Fuel Pump Mounting Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the fuel pump assembly is properly seated on the fuel tank. Overtightening can damage the fuel tank or pump assembly.
2

Fuel Tank Sending Unit Bolts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Ensure the fuel tank sending unit is properly seated on the fuel tank. Overtightening can damage the sending unit or fuel tank.

3.0l Fuel System Fuel Lines

1

Fuel Filler Neck Bolts

M6 x 1.0
Torque Specification
14 ft-lbs (19 N·m)
Important Notes
Ensure the fuel filler neck is correctly aligned before tightening the bolts. Overtightening can damage the body or fuel neck.
2

Fuel Filter Bolt/Nut

M8 x 1.25
Torque Specification
22 ft-lbs (30 N·m)
Important Notes
Ensure the fuel filter is securely mounted and the fuel line fittings are properly aligned. Overtightening can damage the filter housing or fuel line fittings.

Hvac

Torque specifications for Hvac

Hvac Ac Compressor

1

A/C Compressor Mounting Bolts

M10 x 1.25
Torque Specification
33 ft-lbs (45 N·m)
Important Notes
Ensure proper alignment of compressor before tightening. Torque all bolts evenly to prevent stress and ensure proper belt alignment.
2

A/C Line Fittings

Varies by fitting
Torque Specification
N/A
Important Notes
Hand-tighten only. Over-tightening can damage O-rings and create leaks. Final tightening is typically accomplished with a specific wrench and feel.

Hvac Condenser

1

A/C Condenser Mounting Bolts/Nuts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Estimated value. Ensure proper alignment of condenser before tightening.

Hvac Evaporator

1

Evaporator Case Mounting Bolts/Screws

M5 x 0.8
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Estimated value. Ensure all case components are properly aligned prior to tightening.

Hvac Blower Motor

1

Blower Motor Mounting Bolts/Screws

M5 x 0.8
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Estimated value. Ensure proper alignment of the blower motor before tightening. Torque all bolts evenly to prevent stress and vibration.

Hvac Control Panel

1

HVAC Control Panel Mounting Screws

M4 x 0.7
Torque Specification
2.2 ft-lbs (3 N·m)
Important Notes
Do not over-tighten. Plastic components are susceptible to cracking.
2

Mode Door Actuator Mounting Screws

M4 x 0.7
Torque Specification
2.2 ft-lbs (3 N·m)
Important Notes
Do not over-tighten. Plastic components are susceptible to cracking.
3

Blend Door Actuator Mounting Screws

M4 x 0.7
Torque Specification
2.2 ft-lbs (3 N·m)
Important Notes
Do not over-tighten. Plastic components are susceptible to cracking.
4

Recirculation Door Actuator Mounting Screws

M4 x 0.7
Torque Specification
2.2 ft-lbs (3 N·m)
Important Notes
Do not over-tighten. Plastic components are susceptible to cracking.

Hvac Receiver Drier

1

A/C Receiver Drier Mounting Bolt/Nuts

M6 x 1.0
Torque Specification
8.7 ft-lbs (12 N·m)
Important Notes
Estimated value. Ensure proper alignment of the drier before tightening.

Suspension

Torque specifications for Suspension

Front Suspension

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Tighten in a cross pattern to ensure even distribution of force.
2

Strut/Shock Absorber Piston Rod Nut

M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, always confirm with manufacturer's specification. Do not over-tighten.
3

Upper Control Arm Bolt to Knuckle

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, torque spec could vary slightly, confirm with factory service manual.
4

Lower Control Arm to Frame Bolts

M14 x 1.5
Torque Specification
47 ft-lbs (64 N·m)
Important Notes
Torque both control arm frame bolts to spec.
5

Lower Control Arm to Knuckle Bolt

M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value, torque spec could vary slightly, confirm with factory service manual.
6

Ball Joint Nut

M12 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.
7

Tie Rod End Nut

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the tie rod end is properly seated before tightening.
8

Sway Bar Link Nut

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Tighten evenly to ensure proper function.

Rear Suspension

1

Strut/Shock Absorber Mounting Bolts

M12 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Tighten in a cross pattern to ensure even distribution of force.
2

Strut/Shock Absorber Piston Rod Nut

M14 x 1.5
Torque Specification
35 ft-lbs (47 N·m)
Important Notes
Estimated value, always confirm with manufacturer's specification. Do not over-tighten.
3

Upper Control Arm Bolt to Knuckle

M10 x 1.25
Torque Specification
45 ft-lbs (61 N·m)
Important Notes
Estimated value, torque spec could vary slightly, confirm with factory service manual.
4

Lower Control Arm to Frame Bolts

M14 x 1.5
Torque Specification
47 ft-lbs (64 N·m)
Important Notes
Torque both control arm frame bolts to spec.
5

Lower Control Arm to Knuckle Bolt

M12 x 1.25
Torque Specification
50 ft-lbs (68 N·m)
Important Notes
Estimated value, torque spec could vary slightly, confirm with factory service manual.
6

Ball Joint Nut

M12 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Ensure the ball joint is properly seated before tightening.
7

Sway Bar Link Nut

M10 x 1.25
Torque Specification
32 ft-lbs (43 N·m)
Important Notes
Tighten evenly to ensure proper function.

Sway Bar

1

Sway Bar to Frame Bushing Bracket Bolts

M8 x 1.25
Torque Specification
20 ft-lbs (27 N·m)
Important Notes
Estimated value, tighten evenly, do not over tighten.

Troubleshooting Guide

Common issues, diagnostic steps, and prevention guidelines

Common Issues

Bolt stretching, stripped threads, uneven torque patterns

Loose Components

Symptoms:
  • Rattling or vibration noises
  • Visible movement in components
  • Uneven panel gaps
Solutions:
  • Clean threads and mounting surfaces
  • Replace damaged fasteners
  • Apply proper torque in sequence
  • Use thread locker if specified

Stripped Fasteners

Symptoms:
  • Unable to achieve proper torque
  • Fastener spins freely
  • Visible thread damage
Solutions:
  • Use thread repair kit if appropriate
  • Install thread insert (HeliCoil)
  • Replace component if threaded hole is damaged
  • Upgrade to higher grade fastener if recommended

Overtightened Components

Symptoms:
  • Cracked or deformed parts
  • Broken fasteners
  • Compressed gaskets or seals
Solutions:
  • Replace damaged components
  • Use new fasteners
  • Follow proper torque sequence
  • Verify correct torque specifications

Diagnostic Steps

Visual inspection, torque verification, thread assessment

1

Visual Inspection

Inspect the affected area for any visible signs of damage or wear

  • Check for cracks or deformation
  • Look for signs of excessive wear
  • Verify proper fastener installation
2

Torque Verification

Verify the torque applied to the fasteners

  • Check the torque wrench calibration
  • Verify the torque specification
  • Compare the applied torque to the specification
3

Thread Assessment

Assess the condition of the threads

  • Check for signs of thread damage
  • Verify the thread type and size
  • Check for proper thread engagement

Prevention Guidelines

Best practices, maintenance tips, tool care

Best Practices

  • Always follow the recommended torque specification
  • Use the correct type and size of fasteners
  • Verify the torque wrench calibration regularly

Maintenance Tips

  • Regularly inspect the affected area for signs of wear or damage
  • Replace damaged or worn-out components promptly
  • Keep the work area clean and organized

Tool Care

  • Regularly clean and maintain the torque wrench
  • Store the torque wrench in a dry and secure location
  • Verify the torque wrench calibration before each use

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the recommended torque specifications for the Acura TL's cylinder head bolts?

Tighten cylinder head bolts in three steps: 40 ft-lbs, 65 ft-lbs, then 90 degrees.

Q2

How should I properly torque the spark plugs on my Acura TL?

Clean the spark plug threads and apply anti-seize. Tighten to 22 ft-lbs. Do not overtighten to prevent damage.

Q3

What IS the correct torque specification for the Acura TL's lug nuts?

Tighten lug nuts in a star pattern to 80 ft-lbs. Use a calibrated torque wrench and ensure even tightening.

Q4

How often should I check and tighten the torque on my Acura TL's suspension components?

Suspension components should be checked and torqued according to the Acura TL maintenance schedule or after any major repairs.

Environmental Considerations

Temperature, humidity, and seasonal effects on torque specifications

Temperature Effects

Includes: High Heat, Cold Weather, Thermal Cycling

Temperature can significantly impact torque values and fastener behavior

Cold Weather

Effects:
  • Increased material brittleness
  • Higher torque required due to thread contraction
  • Reduced thread lubricant effectiveness
Recommendations:
  • Allow components to warm to room temperature when possible
  • Consider using winter-grade thread lubricants
  • Check torque values more frequently during winter months

Hot Weather

Effects:
  • Thermal expansion of components
  • Decreased friction in threads
  • Accelerated lubricant breakdown
Recommendations:
  • Check torque when components are at normal operating temperature
  • Use temperature-resistant thread lockers
  • Consider re-torquing after heat cycles

Humidity and Corrosion

Covers: Rust Prevention, Salt Exposure, Moisture Control

Moisture and corrosion can affect fastener integrity and torque values

High Humidity

Effects:
  • Accelerated corrosion formation
  • Reduced friction coefficient
  • Potential thread seizing
Prevention:
  • Use corrosion-resistant fasteners
  • Apply appropriate anti-seize compounds
  • Maintain proper protective coatings

Salt Exposure

Effects:
  • Rapid corrosion development
  • Thread damage
  • Seized fasteners
Prevention:
  • Regular underbody washing
  • Use of sacrificial anodes where appropriate
  • Application of protective coatings

Seasonal Maintenance

Spring, Summer, Fall, and Winter maintenance schedules

Spring

  • Inspect for winter damage
  • Clean and protect exposed fasteners
  • Check torque on critical components

Summer

  • Monitor heat-affected components
  • Check expansion-related loosening
  • Inspect cooling system mounts

Fall

  • Prepare for winter conditions
  • Apply corrosion protection
  • Verify all fasteners are properly torqued

Winter

  • More frequent inspection of critical fasteners
  • Check for salt damage
  • Monitor suspension component torque

Related Resources

Tools, service procedures, and technical bulletins

Recommended Tools

Digital Torque Wrench (10-100 Nm)

Essential for tightening fasteners to precise torque specifications, preventing damage and ensuring proper assembly. This range IS suitable for many applications on the TL.

  • Digital display for accurate readings
  • Audible alarm when target torque IS reached
  • Multiple units (Nm, ft-lb, in-lb)
  • Reversible ratcheting mechanism
Learn more
Service Procedures
Technical Service Bulletins

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Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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  • Always follow the manufacturer's recommended procedures and safety precautions.
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About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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