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 MANUALSCHEVROLET1997ASTRO VAN 2WD V6-4.3L VIN WREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCOMPRESSOR HVACSPECIFICATIONSCOMPRESSOR METRIC THREAD SIZE INFORMATION
1997 Chevrolet Astro Van 2WD V6-4.3L VIN W
Compressor Metric Thread Size Information
1997 Chevrolet Astro Van 2WD V6-4.3L VIN WSECTION Compressor Metric Thread Size Information
1. Compressor to mounting bracket bolts.
Front M 10 x 1.5 - 6H
Rear M 8 x 1.25 - 6H
2. Suction-discharge port screw.
M 1O x 1.5 - 6H
3. Compressor shaft.
M 9 x 1.25 - 6H
4. Internal hub-clutch drive assembly.
M 22 x 1.5 - 6H
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.