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 MANUALSCHEVROLET1988MONTE CARLO V6-262 4.3LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRA/C MODULE REPLACE
1988 Chevrolet Monte Carlo V6-262 4.3L
A/C Module Replace
1988 Chevrolet Monte Carlo V6-262 4.3LSECTION A/C Module Replace
CUTLASS SUPREME CLASSIC, MONTE CARLO & SAFARI, BONNEVILLE
1. Disconnect battery ground cable, then discharge system refrigerant.
2. Drain cooling system.
3. Disconnect right side hood hinge at hood and place hood on suitable support.
4. Remove core to fender support bracket.
5. Remove battery hold down bracket and coolant recovery tank.
6. Remove right side fender attaching bolts, then the module ground wire.
7. Remove right and left side windshield wiper assemblies and stops.
8. Remove lower windshield molding, molding brackets, and leaf screen.
9. Remove module cover screws, then disconnect module harness leads. Remove module cover.
10. After gaining access through glove box, disconnect harness leads at interior side of module.
11. Disconnect vacuum lines at module.
12. Disconnect A/C high pressure line and plug open connections.
13. Disconnect heater hoses at core.
14. Remove 4 module retainer bolts, and 2 defroster duct to dash screws.
15. Remove sound absorber panel and left A/C duct (lap cooler). Disconnect temperature control cable.
16. Remove steering column to instrument panel retainer bolts and lower steering column.
17. Remove bolts located under speaker grilles.
18. Remove air duct, lower heater duct and defroster duct.
19. Remove center instrument panel brace and allow instrument panel to hang free.
20. Remove ground wire from heater to cowl and vacuum tank.
21. Remove module.
22. 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.