Acura Integra 1989-1993 HVAC Specifications
Explore the comprehensive HVAC system specifications for the 1989-1993 Acura Integra. This technical document provides detailed insights into the heating, ventilation, and air conditioning components, operation, and maintenance.
1989-1993 Acura Integra HVAC Specifications Overview Specifications
This document provides a comprehensive overview of the HVAC (Heating, Ventilation, and Air Conditioning) system specifications for the 1989-1993 Acura Integra. It includes detailed technical information, key components, and operational guidelines. Use this guide to understand the system's functionality, identify components, and perform diagnostics or repairs. Navigate through the sections to find specific information or refer to the quick reference guide for key specifications.
How to Use
To find specific information, use the search functionality by typing keywords related to the HVAC system, such as 'compressor,' 'heater core,' or 'blower motor.'
Navigate through the document by selecting sections from the table of contents. Each section contains subsections with detailed technical points. Use the quick reference guide for fast access to key specifications.
Key Specifications
Compressor Type
Sanden SD-7B
Condenser Size
26.5 x 12.75 x 0.5 inches
Evaporator Size
10.5 x 7.75 x 1.75 inches
Refrigerant Type
R-12 (early) / R-134a (late)
Blower Motor Speeds
4 speeds (low, medium, high, max)
Available Specifications
System Overview
This section provides a general overview of the HVAC system in the 1989-1993 Acura Integra, including its components and basic operation. The system is designed to provide heating, cooling, and ventilation for the vehicle's interior.
System Overview
This section provides a general overview of the HVAC system in the 1989-1993 Acura Integra, including its components and basic operation. The system is designed to provide heating, cooling, and ventilation for the vehicle's interior.
System Components
- Manual HVAC controls with temperature, fan speed, and mode selectors
- Heater core with integral water valve
- Evaporator core with expansion valve
- Compressor with clutch and pulley
- Condenser coil
- Blower motor with resistor
- Ventilation and defrost ducts
System Operation
- The heating system circulates engine coolant through the heater core
- The cooling system uses R-12 refrigerant (late models may use R-134a)
- The blower motor provides airflow through the ventilation system
- The mode selector directs airflow through defrost, floor, or vent outlets
- The temperature control valve regulates coolant flow to the heater core
Heating System
This section details the components and operation of the heating system, including the heater core, water valve, and controls. The heating system provides warmth to the vehicle's interior during cold weather conditions.
Heating System
This section details the components and operation of the heating system, including the heater core, water valve, and controls. The heating system provides warmth to the vehicle's interior during cold weather conditions.
Heater Core and Controls
- Heater core is located behind the dashboard
- Integral water valve controls coolant flow to the heater core
- Temperature control knob adjusts the water valve
- Heater hoses connect the heater core to the engine's cooling system
- Heater core is serviced as an assembly
Heating System Operation
- Engine coolant is circulated through the heater core when the temperature control is set to 'Hot'
- The water valve opens to allow coolant flow when the engine is warm
- Heated air is distributed through the ventilation system
- The blower motor pushes air through the heater core
- The system is pressurized at approximately 12-15 psi
Cooling System
This section covers the components and operation of the air conditioning system, including the compressor, condenser, evaporator, and controls. The cooling system provides refrigerated air for interior cooling.
Cooling System
This section covers the components and operation of the air conditioning system, including the compressor, condenser, evaporator, and controls. The cooling system provides refrigerated air for interior cooling.
Cooling System Components
- Compressor with electromagnetic clutch
- Condenser coil located in front of the radiator
- Evaporator core located behind the dashboard
- Expansion valve regulates refrigerant flow to the evaporator
- Refrigerant lines connect system components
- Receiver-drier stores refrigerant and filters moisture
Cooling System Operation
- The compressor compresses refrigerant when the A/C switch is activated
- Refrigerant flows through the condenser and evaporator
- The expansion valve reduces pressure before refrigerant enters the evaporator
- The evaporator cools air passing through the ventilation system
- The system operates at a low-pressure cutoff of approximately 25 psi
- Refrigerant type is R-12 (early models) or R-134a (late models)
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Component Specifications
Overview
- Type
- manual climate control
- Configuration
- dashboard-mounted unit
- Platform
- Acura Integra (1989-1993)
- Material
- plastic and aluminum construction
- Location
- under dashboard, driver side
Dimensions
- Overall Size
- 12 in x 8 in x 6 in (30 cm x 20 cm x 15 cm)
- Duct Diameter
- 1.5 in (3.8 cm)
- Evaporator Size
- 16 in x 12 in (40 cm x 30 cm)
- Condenser Size
- 24 in x 12 in (60 cm x 30 cm)
- Blower Motor Size
- 4 in diameter x 6 in depth (10 cm x 15 cm)
Materials
- Dashboard Components
- high-density plastic
- Evaporator
- aluminum fin and tube
- Condenser
- aluminum fin and tube
- Hoses
- rubber with reinforced fibers
- Heater Core
- copper and steel
Features
- Climate Control Functions
-
- temperature adjustment
- airflow control
- defrost mode
- vent selection
- recirculation mode
- Air Distribution
-
- dashboard vents
- floor vents
- rear cabin vents (optional)
- defrost vents
- side window vents
- Filtration
-
- standard air filter
- optional activated carbon filter
- pollen filter capability
- Heating System
-
- water-cooled heating core
- adjustable temperature blend
- heater valve control
- defrost function integration
- auxiliary electric heating (optional)
- Cooling System
-
- compressor-based refrigeration
- condenser fan operation
- evaporator fan control
- low-pressure switch
- high-pressure switch
Safety Features
- Pressure Protection
-
- low-pressure cut-off switch
- high-pressure relief valve
- over-pressure safety switch
- Thermal Protection
-
- heater core temperature sensor
- blower motor overheat protection
- compressor clutch safety switch
- Leak Detection
- refrigerant leak detection system
Comfort Features
- Air Quality
-
- recirculation mode
- fresh air mode
- optional air filter upgrade
- Temperature Control
-
- manual temperature adjustment
- blend door control
- defrost mode priority
- dual-zone operation (optional)
- Airflow Control
-
- variable blower speed
- dashboard vent adjustment
- floor/defrost vent switching
- rear vent activation (optional)
- Noise Reduction
-
- insulated ducting
- dampened blower motor mount
- noise-reducing vent design
- Convenience Features
-
- manual climate controls
- optional electronic climate control upgrade
- rear cabin vent option
Accessories
- installation Kits
-
- hvac system repair kit
- refrigerant recharge kit
- ducting repair kit
- control module replacement kit
- Replacement Parts
-
- blower motor replacement
- compressor replacement
- condenser replacement
- heater core replacement
- Upgrades
-
- electronic climate control retrofit
- high-performance blower motor
- aftermarket air filtration system
- rear seat climate control installation
Maintenance
- Service interval
-
- Miles: 15,000 miles, Months: 12 months, Items: Inspect and replace air filter,Check refrigerant levels,Inspect hoses and connections,Clean blower motor and ducts,Check compressor belt condition, Note: Replace air filter if dirty or every 12 months
- Miles: 30,000 miles, Months: 24 months, Items: Check and top off refrigerant,Inspect condenser and evaporator,Clean or replace cabin filter,Lubricate blower motor bearings,Check heater core hoses, Note: Inspect system for leaks and wear
- Miles: 60,000 miles, Months: 48 months, Items: Replace compressor clutch,Inspect and replace blower motor,Replace heater core if necessary,Check and replace thermal sensors,Flush and clean entire system, Note: Major service recommended by manufacturer
- Maintenance Notes
-
- Always use approved refrigerant types
- Ensure proper system vacuum before recharging
- Inspect electrical connections regularly
- Avoid overcharging the system
- Replace worn or damaged belts immediately
Warranty
- Basic Warranty
- Miles: 36,000 milesYears: 3 yearsCoverage: parts and labor
- Powertrain Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: major components
- Corrosion Perforation Warranty
- Miles: 60,000 milesYears: 5 yearsCoverage: sheet metal parts
- Maintenance Warranty
- Miles: 15,000 milesYears: 1 yearCoverage: adjustments and filters
- Warranty Terms
-
- Warranty valid from original purchase date
- Transferable to new owner with fees
- Requires regular maintenance records
- Does not cover wear and tear items
- Subject to manufacturer terms and conditions
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- CNC machining for precision parts
- Robot welding for assembly
- High-quality plastic injection molding
- E-coating for corrosion protection
- Vacuum testing for leaks
- Quality Control
- inspection Checklist: Dimensional accuracy, Material integrity, Leak testing, Functional testing, Cosmetic inspectionCertifications: ISO 9001:1987, QS-9000, ISO/TS 16949:1999
- Sustainability Practices
-
- Recyclable materials used
- Energy-efficient manufacturing
- VOC-reducing paints
- Recycling programs for scrap
- Emission control systems
- Production Metrics
- Annual Production: 100,000 unitsCycle Time: 2 hours per unitDefect Rate: <1%Warranty Claim Rate: <2%Customer Satisfaction: 95% or higher
Service Information for HVAC System Service
Maintenance and service requirements specific to the HVAC system
- Inspect and replace air filter
- Check refrigerant levels
- Inspect hoses and connections for leaks
- Clean blower motor and ducts
- Check compressor belt condition
Ensure system is functioning properly before upcoming seasons
- Check and top off refrigerant
- Inspect condenser and evaporator for damage
- Clean or replace cabin filter
- Lubricate blower motor bearings
- Check heater core hoses for cracks
Inspect system for any signs of wear or leaks
- Replace compressor clutch if worn
- Inspect and replace blower motor if necessary
- Replace heater core if leaking
- Check and replace thermal sensors
- Flush and clean entire HVAC system
Major service recommended to maintain performance and efficiency
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 1989-1993 Acura Integra HVAC system?
What is the refrigerant type and capacity for the 1989-1993 Acura Integra HVAC system?
The 1989-1993 Acura Integra HVAC system uses R-12 refrigerant with a capacity of 1.2 kg (approximately 2.4 lbs). Ensure proper handling and disposal procedures are followed.
Q2 How do I diagnose a common HVAC system failure in the 1989-1993 Acura Integra?
How do I diagnose a common HVAC system failure in the 1989-1993 Acura Integra?
Common failures include compressor issues, refrigerant leaks, or faulty sensors. Use a multimeter to check electrical connections and a refrigerant pressure gauge to assess system integrity. Consult the service manual for detailed diagnostics.
Q3 What are the recommended HVAC system maintenance intervals for the 1989-1993 Acura Integra?
What are the recommended HVAC system maintenance intervals for the 1989-1993 Acura Integra?
Regular maintenance includes checking refrigerant levels every 6 months, inspecting the compressor belt annually, and cleaning the condenser and evaporator coils every 12 months. Replace the cabin air filter every 12,000 miles.
Q4 How do I replace the HVAC compressor in the 1989-1993 Acura Integra?
How do I replace the HVAC compressor in the 1989-1993 Acura Integra?
Replacing the HVAC compressor requires disconnecting the refrigerant lines, removing the old compressor, and installing the new one with proper alignment and torque specifications (15-20 ft-lbs). Ensure the system is evacuated and recharged correctly.
Q5 What is the operating temperature range for the 1989-1993 Acura Integra HVAC system?
What is the operating temperature range for the 1989-1993 Acura Integra HVAC system?
The HVAC system operates optimally within an ambient temperature range of -15°C to 40°C (5°F to 104°F). Performance may degrade outside this range.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1989-1993 Acura Integra HVAC Service Manual
Coming SoonOfficial service manual detailing HVAC system specifications, maintenance procedures, and troubleshooting guides.
HVAC Compressor Replacement Guide
Coming SoonStep-by-step guide for replacing the HVAC compressor in the 1989-1993 Acura Integra, including torque specifications and safety precautions.
Refrigerant Handling and Safety Procedures
Coming SoonComprehensive guide on handling R-12 refrigerant, including safety precautions, disposal methods, and legal requirements.
HVAC System Diagnostics Tool
Coming SoonInteractive tool for diagnosing common HVAC system issues in the 1989-1993 Acura Integra, with detailed error codes and solutions.
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