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 MANUALSBUICK1985LESABRE V8-350 5.7L DSLREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRA/C MODULE REPLACE
1985 Buick LeSabre V8-350 5.7L DSL
A/C Module Replace
1985 Buick LeSabre V8-350 5.7L DSLSECTION A/C Module Replace
CAPRICE, CUSTOM CRUISER, 88, 98, IMPALA, LESABRE, PARISIENNE & ESTATE WAGON
1. Disconnect battery ground cable and discharge system refrigerant.
2. Remove hood, then the righthand windshield wiper arm.
3. Remove module leaf, screen and seal, then the top cover and blower motor as an assembly.
4. Remove evaporator and heater cores.
5. Remove passenger side hush panel.
6. Remove glove box.
7. Disconnect temperature control cable at module.
8. Remove A/C ductwork and heater distributor outlet.
9. Remove A/C control assembly, leaving cables and wiring connected at module.
10. Disconnect compressor and pressure cut-out switch electrical connectors.
11. Remove vacuum reserve tank, then the accumulator bracket.
12. Remove module to cowl attaching screws, then the module.
13. 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.