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.
1996 GMC Forward Control 6.5 Y, StandardFACTORY OEM SERVICE PROCEDURE
ZEXEL Rotary Vane
- Slowly discharge A/C system, using approved refrigerant recovery/recycling equipment. Remove old A/C compressor. Install compressor oil drain Adapters (SA9149AC-5 and SA9149AC-6) to service ports. Drain compressor oil. Measure amount drained, and discard oil.
- Ensure amount of refrigerant oil in replacement compressor is the same as amount removed from old compressor (total system capacity minus amount retained in components that have not been replaced). See ZEXEL COMPONENT REFRIGERANT OIL CAPACITIES table. Install compressor. Evacuate and recharge A/C system. Perform leak test.
ZEXEL COMPONENT REFRIGERANT OIL CAPACITIES
| Component | Ounces |
|---|---|
| Condenser | 0.8 |
| Evaporator | 2.3 |
| Receiver-Drier | 1.0 |
| System Total | 6.7 |
Factory Service Tools
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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.
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