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 MANUALSCHEVROLET1988R 20 P/U 2WD V8-454 7.4LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOMPRESSOR HVACSYSTEM SPECIFICATIONSTIGHTENING SPECIFICATIONSWITH A-6 COMPRESSOR
1988 Chevrolet R 20 P/U 2WD V8-454 7.4L
With A-6 Compressor
1988 Chevrolet R 20 P/U 2WD V8-454 7.4LSECTION With A-6 Compressor
Rear Head to Shell Stud Nuts 34 N.m (25 ft. lbs.)
Shaft Mounting Nut 27 N.m (20 ft. lbs.)
Pressure Relief Valve 19 N.m (14 ft. lbs.)
Oil Drain Screw 20 N.m (15 ft. lbs.)
Shaft Mounting Nut 27 N.m (20 ft. lbs.)
Pressure Relief Valve 19 N.m (14 ft. lbs.)
Oil Drain Screw 20 N.m (15 ft. lbs.)
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.