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 MANUALSCHEVROLET1988NOVA/CHEVY II L4-1600CC DOHCREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRA/C MODULE REPLACE
1988 Chevrolet Nova/Chevy II L4-1600cc DOHC
A/C Module Replace
1988 Chevrolet Nova/Chevy II L4-1600cc DOHCSECTION A/C Module Replace
NOVA
1. Disconnect battery ground cable and discharge refrigerant.
2. Disconnect refrigerant lines from evaporator fittings, then plug lines and open fittings.
3. Remove evaporator inlet and outlet fitting grommets.
4. Remove glove box and lower instrument panel cover.
5. Disconnect main A/C harness connector and electrical connector from A/C switch.
6. Remove 4 nuts and 3 bolts securing A/C module, then lower module.
7. Remove A/C amplifier and harness assembly from A/C module.
8. Reverse procedure to install.
RENDER: 1.0x
NO RELATED
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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.