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 MANUALSCHEVROLET1983STEP VAN P20, 5.7 M, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)GENERAL SERVICINGA/C SYSTEM GENERAL SERVICINGHARRISON A-6, 6-CYLINDER COMPRESSOR SERVICINGNO SIGN OF OIL LEAKAGE
1983 Chevrolet Step Van P20, 5.7 M, Automatic, 475/M40
No Sign Of Oil Leakage
1983 Chevrolet Step Van P20, 5.7 M, Automatic, 475/M40SECTION No Sign Of Oil Leakage
- Remove compressor. Drain and measure oil. When replacing compressor, replace the amount drained plus one ounce. If the amount drained from compressor is over 8 ounces, system must be flushed. Replace accumulator and install compressor filled with 10 ounces total.
- If evaporator is replaced, add 3 ounces to the new evaporator. If condenser is replaced, add one ounce. If accumulator is replaced, drain old accumulator and measure oil. Add the same amount, plus 2 ounces, to the new accumulator.
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.