Acura RL 2005-2012 3.5L Engine Engine Specifications
Acura RL 2005-2012

Acura RL 2005-2012 3.5L Engine Specifications

Detailed technical specifications and documentation for the 3.5L V6 engine in the 2005-2012 Acura RL. Includes performance metrics, maintenance guidelines, and component-specific details for the J35A8 engine.

Updated

3.5L Engine Specifications Overview Specifications

This document provides a detailed overview of the 3.5L engine specifications for the 2005-2012 Acura RL. It includes technical details, performance metrics, and maintenance information. Use this guide to understand the engine's capabilities, dimensions, and key features. Navigate through the sections to find specific information, and use the quick reference section for key specifications at a glance.

How to Use

To search for specific information, use the search functionality by typing keywords related to the engine specifications. You can search for terms like 'horsepower,' 'torque,' or 'displacement' to find relevant details quickly.

Navigate through the sections by scrolling or using the section titles. Each section is divided into subsections with detailed points. Click on a section title to expand its contents and find the information you need.

Key Specifications

Displacement

3.5L (3,471 cc)

Horsepower

290 HP @ 6,200 rpm

Torque

256 lb-ft @ 5,000 rpm

Fuel Economy

16 mpg city, 24 mpg highway

Transmission

5-speed automatic

Available Specifications

Engine Overview

This section provides an overview of the 3.5L engine, including its type, displacement, and key features. It highlights the engine's design, fuel efficiency, and performance capabilities.

Engine Type and Displacement
  • 3.5L V6 engine
  • Aluminum-alloy block and cylinder heads
  • Single overhead camshaft (SOHC) with 24 valves
  • Displacement: 3,471 cc
  • Bore and stroke: 89mm x 93mm
Fuel System
  • Multi-point fuel injection system
  • Variable Valve Timing (VTEC)
  • Drive-by-wire throttle system
  • Fuel type: Premium unleaded gasoline
  • Fuel capacity: 18.5 gallons

Performance Specifications

This section details the engine's performance capabilities, including horsepower, torque, and transmission information. It also covers acceleration and fuel economy ratings.

Power and Torque
  • Horsepower: 290 HP @ 6,200 rpm
  • Torque: 256 lb-ft @ 5,000 rpm
  • Redline: 6,800 rpm
  • Compression ratio: 11.0:1
  • Recommended oil type: 0W-20 synthetic oil
Transmission and Drivetrain
  • 5-speed automatic transmission with Sequential SportShift
  • Super Handling All-Wheel Drive (SH-AWD)
  • Final drive ratio: 4.25
  • EPA fuel economy: 16 mpg city, 24 mpg highway, 20 mpg combined

Dimensions and Weight

This section provides information on the engine's physical dimensions and weight, as well as the vehicle's curb weight and payload capacity.

Engine Dimensions
  • Length: 22.2 inches
  • Width: 19.8 inches
  • Height: 24.7 inches
  • Dry weight: 388 lbs
  • Curb weight: 3,933 lbs
Payload and Towing Capacity
  • Payload capacity: 900 lbs
  • Towing capacity: 1,000 lbs (unbraked), 4,500 lbs (braked)
  • Gross vehicle weight rating (GVWR): 4,620 lbs
  • Gross axle weight rating (GAWR): 2,400 lbs (front), 2,600 lbs (rear)

Cooling and Lubrication

This section covers the engine's cooling and lubrication systems, including coolant capacity, oil capacity, and system specifications.

Cooling System
  • Coolant capacity: 4.5 quarts
  • Coolant type: Honda Long Life Coolant (blue)
  • Radiator size: 26.4 x 15.7 x 2.5 inches
  • Water pump: Electric water pump
  • Thermostat opening temperature: 194°F
Lubrication System
  • Oil capacity: 4.5 quarts with filter
  • Oil filter type: Cartridge-style oil filter
  • Oil change interval: Every 7,500 miles
  • Oil pressure: 35 psi at 3,000 rpm
  • PCV system: Positive crankcase ventilation

Maintenance and Service

This section provides maintenance schedules, service intervals, and recommended procedures for the 3.5L engine.

Recommended Maintenance Schedule
  • Oil change: Every 7,500 miles
  • Tire rotation: Every 7,500 miles
  • Air filter replacement: Every 15,000 miles
  • Spark plug replacement: Every 105,000 miles
  • Timing belt replacement: Every 105,000 miles
Service Intervals
  • Minor service: Every 15,000 miles
  • Intermediate service: Every 30,000 miles
  • Major service: Every 60,000 miles
  • Valve clearance inspection: Every 30,000 miles
  • Brake fluid replacement: Every 3 years or 36,000 miles

Engine Specifications

Overview

Type
V6
Configuration
Aluminum alloy
Platform
Acura RL
Material
Aluminum alloy block and heads
Location
Front transverse
Horsepower
290 HP @ 6200 rpm
Torque
256 lb-ft @ 5000 rpm

Dimensions

Length
22.0 in (559 mm)
Width
20.0 in (508 mm)
Height
18.0 in (457 mm)
Weight
415 lbs (188 kg)
Displacement
3.5 liters (211 cubic inches)
Cylinder Bore
3.5 in (89 mm)
Stroke
3.7 in (94 mm)
Compression Ratio
11.0:1

Materials

Engine Block
Aluminum alloy with cast iron sleeves
Cylinder Head
Aluminum alloy with dual overhead camshafts
Crankshaft
Forged steel
Camshaft
Steel
Valves
Steel (intake and exhaust)

Features

Fuel System
  • Multi-point fuel injection
  • Variable fuel pressure control
  • Returnless fuel system
  • Fuel injector cleaning
Emissions Control
  • Catalytic converter
  • Secondary air injection
  • Evaporative emissions control
  • Exhaust gas recirculation
Performance Enhancements
  • Variable Valve Timing (VTEC)
  • Variable Intake Manifold
  • Drive-by-wire throttle
  • HONDA's Variable Cylinder Management (VCM)
Engine Management
  • Electronic ignition
  • Knock sensor
  • Crankshaft position sensor
  • Camshaft position sensor
Cooling System
  • Water-cooled
  • Electric cooling fans
  • Coolant temperature sensor

Safety Features

Emissions Control
  • Catalytic converter
  • Secondary air injection
  • Evaporative emissions control
  • Exhaust gas recirculation
Engine Protection
  • Overheating protection
  • Oil pressure monitoring
  • Engine knock sensor
  • Crankshaft position sensor
Monitoring Systems
  • Engine light warning
  • Coolant temperature warning
  • Oil life indicator
  • Service due indicator

Comfort Features

Noise Reduction
  • Acoustic engine cover
  • Sound insulation
  • Balanced engine design
  • Helical gear set
Smooth Operation
  • Hydraulic engine mounts
  • Active control engine mounts
  • Variable cylinder management
  • VTEC system
Temperature Control
  • Rapid warm-up coolant heater
  • Electric cooling fans
  • Thermostat
  • Coolant temperature sensor
Convenience Features
  • Oil life indicator
  • Service due indicator
  • Maintenance reminder
  • Fuel economy monitor

Accessories

Engine Covers
  • Chrome-plated engine cover
  • Carbon fiber engine cover trim
  • Engine cover insulation
Belts And Hoses
  • Serpentine belt
  • Drive belts
  • Coolant hoses
  • Fuel hoses
Filters
  • Air filter
  • Cabin air filter
  • Fuel filter
  • Oil filter

Maintenance

Service interval
Normal conditions: every 5,000 to 7,500 miles (8,000 to 12,000 km)
Service Items
  • Oil change
  • Tire rotation
  • Brake inspection
  • Battery check
  • Air filter inspection
  • Belts and hoses inspection
Maintenance Notes
  • Use 0W-20 synthetic oil
  • Replace air filter every 15,000 miles
  • Replace spark plugs every 100,000 miles
  • Check coolant every 30,000 miles
  • Inspect belts every 50,000 miles

Warranty

Basic Warranty
Miles: 50,000 miles
Years: 4 years
Coverage: Bumper-to-bumper
Notes: Includes parts and labor
Powertrain Warranty
Miles: 70,000 miles
Years: 6 years
Coverage: Drivetrain
Notes: Includes engine, transmission, and drivetrain components
Emissions Warranty
Miles: 15,000 miles
Years: 1 year
Coverage: Emissions control devices
Notes: Includes catalytic converter and related components
Accessories Warranty
Miles: 50,000 miles
Years: 4 years
Coverage: Accessories
Notes: Includes dealer-installed accessories

Production Details

Manufacturer
Honda Motor Co., Ltd.
Manufacturing Process
  • Casting
  • Machining
  • Assembly
  • Testing
  • Quality control
Quality Control
inspection: Full engine inspection
Testing: Performance testing
Certification: Manufacturer certification
Warranty: Factory warranty
Sustainability Practices
  • Recyclable materials
  • Low emissions production
  • Energy-efficient manufacturing
  • Waste reduction programs
Production Metrics
Production Capacity: 500 units per month
Production Cycle: 10 hours per engine
Quality Rating: ISO 9001 certified
Environmental Certification: ISO 14001 certified

Service Information for 3.5l engine Service

Maintenance and service requirements specific to this component

5,000 miles
6 months
  • Oil and filter change
  • Tire rotation
  • Brake inspection
  • Battery check
  • Air filter inspection

Normal driving conditions

15,000 miles
12 months
  • Spark plug inspection
  • Belts and hoses inspection
  • Coolant check
  • Power steering fluid check
  • Transmission fluid check

Severe driving conditions may require more frequent service

30,000 miles
24 months
  • Air filter replacement
  • Fuel filter replacement
  • Spark plug replacement
  • Drive belt inspection
  • PCV valve replacement

Replace spark plugs and drive belts if needed

60,000 miles
48 months
  • Timing belt replacement
  • Water pump replacement
  • Engine mounts inspection
  • Suspension components inspection
  • Steering system inspection

Critical for engine longevity

Common Questions

Find answers to common questions about torque specifications

Q1

What is the horsepower and torque output of the 3.5L engine in the 2005-2012 Acura RL?

The 3.5L V6 engine in the 2005-2012 Acura RL produces 290 horsepower at 6200 RPM and 256 lb-ft of torque at 5000 RPM. This engine features VTEC (Variable Valve Timing and Lift Electronic Control) for optimized performance and efficiency.

Q2

What type of oil and oil capacity does the 3.5L engine require?

The 3.5L engine requires 5W-20 synthetic oil with a capacity of 4.5 quarts (including the oil filter). Always use Acura-recommended oil or an equivalent synthetic oil meeting API SN or higher standards.

Q3

What is the recommended spark plug type and gap for the 3.5L engine?

The recommended spark plug for the 3.5L engine is the NGK IZFR6K11 or equivalent. The spark plug gap should be set to 0.040-0.043 inches (1.0-1.1 mm). Ensure proper torque (13 lb-ft) during installation.

Q4

What is the timing belt replacement interval for the 3.5L engine?

The timing belt should be replaced every 105,000 miles or 7 years, whichever comes first. Failure to replace the timing belt can result in severe engine damage due to interference design.

Q5

What is the compression ratio of the 3.5L engine?

The 3.5L engine has a compression ratio of 11.2:1, which contributes to its high efficiency and performance.

Q6

What is the fuel system type and recommended fuel for the 3.5L engine?

The 3.5L engine uses a multi-port fuel injection (MPFI) system and requires premium unleaded fuel with an octane rating of 91 or higher for optimal performance.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2005-2012 Acura RL Service Manual

Coming Soon

Official service manual for the 2005-2012 Acura RL, including detailed procedures for the 3.5L engine maintenance and repair.

3.5L Engine Timing Belt Replacement Guide

Coming Soon

Step-by-step guide for replacing the timing belt on the 3.5L engine, including tools required and safety precautions.

Acura Genuine Parts Catalog

Coming Soon

Catalog of genuine Acura parts for the 3.5L engine, ensuring compatibility and warranty compliance.

3.5L Engine Technical Specifications

Coming Soon

Comprehensive technical specifications for the 3.5L engine, including torque values, fluid capacities, and performance metrics.

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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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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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