Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1994GRAND VOYAGER BASE, 31THREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSA/C-HEATER SYSTEM - MANUAL (MAIN UNIT)
1994 Plymouth Grand Voyager Base, 31TH
A/C-Heater System - Manual (Main Unit)
1994 Plymouth Grand Voyager Base, 31THSECTION A/C-Heater System - Manual (Main Unit)
- A/C System Specifications
- Description
- Operation
- Adjustments
- Vacuum Control System Diagnosis
- Trouble Shooting
- Testing
- Removal & Installation
- Notes
- Air Distribution Duct & Defroster Duct
- Ambient Temperature Switch
- Blower Motor
- Blower Motor Switch & Control Panel
- Blower Motor Resistor
- Compressor
- Condenser
- Electronic Cycling Clutch Switch (ECCS)
- Evaporator Core & Heater Core
- Evaporator & Heater Assembly
- Expansion Valve
- Heater Control Valve
- High Pressure Cut-Off Switch
- High Pressure Relief Valve
- Instrument Panel
- Low Pressure Cut-Off (LPCO) Switch
- Radiator Fan Control Switch
- Receiver-Drier
- Temperature Control Cable
- Vacuum Actuators
- Torque Specifications
- Vacuum Hose Diagram(S)
- Wiring Diagram
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.