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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET1993ASTRO VAN L AWD V6-262 4.3L VIN W CPIREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACSERVICE AND REPAIRCOMPRESSOR REPLACEMENTREAR
1993 Chevrolet Astro Van L AWD V6-262 4.3L VIN W CPI
Rear
1993 Chevrolet Astro Van L AWD V6-262 4.3L VIN W CPISECTION Rear
Refrigerant Hose Assembly:
Compressor Mounting:
REMOVE OR DISCONNECT
1. Discharge and recover refrigerant from the system.
2. Engine cover.
3. Air cleaner.
4. Drive belt.
5. Oil filler tube.
6. Evaporator outlet tube from refrigerant hose assembly.
7. Hose bracket nut from stud.
8. Manifold bolt.
9. Manifold from the rear of the compressor.
10. Brace bolts and nuts.
11. Braces.
12. Electrical connections, as necessary.
13. Compressor from mounting bracket.
^ Drain and measure compressor oil from old compressor.
INSTALL OR CONNECT
^ Drain compressor oil from new compressor.
^ Refill new compressor with same amount of oil drained from old compressor. If less than 30 ml (1 fl. oz.) was drained from old compressor add 60 ml (2 fl. oz.).
1. Compressor to mounting bracket.
2. Electrical connections, as necessary.
3. Compressor mounting bolts.
^ Tighten bolts to 50 N.m (37 ft. lbs.).
4. Braces.
5. Brace bolts and nuts.
^ Tighten bolts to 25 N.m (18 ft. lbs.).
^ Tighten nuts to 33 N.m (24 ft. lbs.).
6. Manifold to the rear of the compressor.
7. Manifold bolt.
^ Tighten bolt to 35 N.m (26 ft. lbs.).
8. Hose bracket nut to stud.
^ Tighten nut to 24 N.m (18 ft. lbs.).
9. Evaporator outlet tube to refrigerant hose assembly.
10. Oil filler tube.
11. Drive belt.
12. Air cleaner.
13. Engine cover.
14. Evacuate and recharge the system.
^ Check the system for leaks.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.