Jeep Cherokee 1984-1996 HVAC Specifications
Comprehensive HVAC specifications for the 1984-1996 Jeep Cherokee, including blower motor, compressor, and refrigerant details. Essential for maintenance, repair, and upgrades.
Overview Specifications
This document provides detailed HVAC specifications for the 1984-1996 Jeep Cherokee. It includes information on the heating, ventilation, and air conditioning systems, along with technical details and maintenance tips. Use this guide to understand the components, performance, and troubleshooting methods for the HVAC system. Whether you're a mechanic or an owner, this resource will help you navigate the system efficiently and ensure optimal functionality.
How to Use
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Key Specifications
Heater Core Size
12 x 6 inches
Blower Motor Power
12V, 20A
Refrigerant Capacity
2 lbs (R-12/R-134a)
Compressor Type
Belt-driven piston
Cabin Air Filter Size
8 x 6 x 1 inches
Available Specifications
Heating System
This section covers the heating system components and their functionality in the 1984-1996 Jeep Cherokee. Learn about the heater core, blower motor, and control mechanisms to maintain warmth during colder months.
Heating System
This section covers the heating system components and their functionality in the 1984-1996 Jeep Cherokee. Learn about the heater core, blower motor, and control mechanisms to maintain warmth during colder months.
Heater Core
- Located behind the dashboard
- Transfers heat from engine coolant to cabin air
- Prone to clogging and leaks over time
- Requires flushing or replacement if malfunctioning
Blower Motor
- Controls airflow into the cabin
- Operates at multiple speed settings
- Common issues include motor failure or resistor problems
- Replacement involves removing the glove compartment
Air Conditioning System
Explore the air conditioning system of the Jeep Cherokee, including refrigerant type, compressor details, and cooling performance. This section helps you troubleshoot and maintain the AC system for optimal cooling.
Air Conditioning System
Explore the air conditioning system of the Jeep Cherokee, including refrigerant type, compressor details, and cooling performance. This section helps you troubleshoot and maintain the AC system for optimal cooling.
Compressor
- Belt-driven component
- Pressurizes refrigerant for cooling
- Prone to clutch failure or leaks
- Requires periodic lubrication and inspection
Refrigerant
- Uses R-12 refrigerant (pre-1994 models)
- Post-1994 models use R-134a refrigerant
- Requires proper handling and recycling
- Low refrigerant levels reduce cooling efficiency
Ventilation System
This section focuses on the ventilation system, including air ducts, vents, and cabin air filtration. Understand how to ensure proper airflow and maintain air quality inside the vehicle.
Ventilation System
This section focuses on the ventilation system, including air ducts, vents, and cabin air filtration. Understand how to ensure proper airflow and maintain air quality inside the vehicle.
Air Ducts
- Distribute air throughout the cabin
- Made of durable plastic materials
- Susceptible to cracks or blockages
- Regular cleaning prevents mold and odors
Cabin Air Filter
- Filters incoming air for dust and allergens
- Located behind the glove compartment
- Requires replacement every 12,000-15,000 miles
- Improves air quality and system efficiency
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Component Specifications
Overview
- Type
- Manual and optional Automatic Climate Control
- Configuration
- Dual-zone front system
- Platform
- Integrated with vehicle dashboard
- Material
- Polymer and metal components
- Location
- Front cabin, center console
Dimensions
- Blower Motor Diameter
- 5.5 inches / 140 mm
- Evaporator Coil Length
- 12 inches / 305 mm
- Condenser Coil Width
- 18 inches / 457 mm
- Heater Core Height
- 6 inches / 152 mm
- Vent Diameter
- 2.5 inches / 64 mm
- Duct Length
- 48 inches / 1219 mm
- Control Panel Width
- 8 inches / 203 mm
Materials
- Blower Motor
- Aluminum and steel
- Evaporator Coil
- Aluminum and copper
- Condenser Coil
- Aluminum
- Heater Core
- Brass and aluminum
- Vents
- ABS plastic
Features
- Climate Control
-
- Manual temperature adjustment
- Optional automatic temperature control
- Dual-zone airflow
- Airflow
-
- Front defrost vents
- Dashboard vents
- Floor vents
- Multi-speed blower
- Filtration
-
- Cabin air filter
- Pollen filter
- Dust filtration
- Heating
-
- Hot water heater core
- Adjustable heat levels
- Defrost function
- Cooling
-
- Refrigerant-based cooling
- Adjustable A/C levels
- Max A/C setting
Safety Features
- Overheat Protection
-
- Thermal fuse
- High-temperature cutoff
- Electrical Safety
-
- Circuit breaker
- Insulated wiring
- System Monitoring
-
- Low refrigerant indicator
- Blower motor overload protection
Comfort Features
- Airflow Control
-
- Adjustable vent direction
- Multi-speed fan
- Temperature Control
-
- Dual-zone settings
- Fine-tuned temperature adjustment
- Noise Reduction
-
- Insulated ducting
- Quiet blower motor
- Defrosting
-
- Front windshield defrost
- Rear window defrost
Accessories
- Upgrades
-
- Premium cabin air filter
- Upgraded blower motor
- Automatic climate control module
- Replacement Parts
-
- Heater core
- Evaporator coil
- Blower motor resistor
- Tools
-
- A/C refrigerant gauge
- Vacuum pump for A/C service
- Manifold gauge set
Maintenance
- Service interval
- Every 12,000 miles or 12 months
- Service Items
-
- Inspect refrigerant levels
- Check blower motor operation
- Clean or replace cabin air filter
- Inspect A/C compressor
- Test heater core functionality
- Maintenance Notes
- Ensure refrigerant is compatible with R12 or R134a depending on model year
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Blower motor and compressor
- Emissions
- Miles: 50,000Years: 4Coverage: A/C system components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Metal components
- Warranty Terms
- Subject to normal wear and tear exclusions
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Injection molding for plastic parts
- Brazing for metal components
- Assembly line integration
- Quality Control
- Testing: Leak testing for A/C system, Blower motor performance test, Heater core pressure testStandards: ISO 9001 compliance
- Sustainability
-
- Recyclable materials for plastic components
- Efficient refrigerant usage
- Energy-efficient manufacturing
- Production Metrics
- Units Per Year: Approximately 200,000Defect Rate: Less than 0.5%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect refrigerant levels
- Check blower motor operation
- Clean or replace cabin air filter
- Test A/C compressor
- Inspect heater core functionality
Ensure refrigerant type matches system requirements
- Inspect A/C system for leaks
- Check condenser coil for debris
- Test defrost functionality
- Inspect ducting for blockages
Use UV dye for leak detection
- Replace cabin air filter
- Flush and refill refrigerant
- Inspect and clean evaporator coil
- Test blower motor resistor
Follow EPA guidelines for refrigerant handling
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with all 1984-1996 Jeep Cherokee models?
Is the HVAC system compatible with all 1984-1996 Jeep Cherokee models?
The HVAC system for 1984-1996 Jeep Cherokee models is generally compatible across all trims and engine types, including the 2.5L, 2.8L, and 4.0L engines. However, slight variations in design, such as differences in blower motor types or control panel layouts, may exist between model years. Always verify the specific part numbers and compatibility with your vehicle's VIN to ensure proper fitment.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
Regular maintenance for the HVAC system includes inspecting and replacing the cabin air filter every 12,000 to 15,000 miles, checking refrigerant levels annually, and ensuring the blower motor and condenser are free of debris. Additionally, inspect hoses and seals for leaks or wear. Lubricate moving parts as needed and test the system for proper airflow and temperature control during routine vehicle servicing.
Q3 How do I replace the HVAC blower motor in a 1984-1996 Jeep Cherokee?
How do I replace the HVAC blower motor in a 1984-1996 Jeep Cherokee?
To replace the HVAC blower motor, first disconnect the battery. Remove the glove box and access the blower motor housing. Disconnect the electrical connector and unscrew the mounting bolts. Carefully remove the old blower motor and install the new one, ensuring proper alignment. Reconnect the electrical connector, secure the housing, and test the system before reassembling the glove box and reconnecting the battery.
Q4 Why is my Jeep Cherokee’s HVAC system not blowing cold air?
Why is my Jeep Cherokee’s HVAC system not blowing cold air?
If your HVAC system isn’t blowing cold air, check the refrigerant levels for leaks or insufficient charge. Inspect the compressor clutch for engagement and ensure the condenser is clean and free of obstructions. Test the blend door actuator for proper operation and check fuses and relays related to the AC system. If issues persist, consult a professional for further diagnosis.
Q5 How can I optimize the performance of my HVAC system?
How can I optimize the performance of my HVAC system?
To optimize HVAC performance, ensure the system is regularly serviced with clean filters and proper refrigerant levels. Use a UV dye kit to detect leaks early. Keep the condenser and evaporator clean, and ensure the blower motor operates smoothly. Replace worn seals and hoses promptly. Use the recirculation mode when cooling to improve efficiency and reduce strain on the system.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Jeep Cherokee HVAC Service Manual (1984-1996)
Coming SoonComprehensive guide covering HVAC system components, maintenance, and repair procedures for 1984-1996 Jeep Cherokee models.
Technical Service Bulletin: HVAC System Updates
Coming SoonLatest updates and fixes for common HVAC system issues in 1984-1996 Jeep Cherokee models, including part revisions and repair procedures.
Jeep Cherokee HVAC Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket HVAC components for 1984-1996 Jeep Cherokee models, including blower motors, condensers, and controls.
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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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