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 MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGSERVICE AND REPAIRGENERAL SYSTEM PROCEDURESOIL LEVEL CHECKDELCO COMPRESSOR
1991 Jaguar XJ-6 L6-4.0L
Delco Compressor
1991 Jaguar XJ-6 L6-4.0LSECTION Delco Compressor
Oil Level Check - Delco Compressor
The following procedure must be performed very slowly to prevent liquid refrigerant from damaging compressor.
1. Operate engine with A/C running for 10-15 minutes.
2. Stop engine, then remove drain plug from bottom of compressor. Drain oil into suitable container.
3. Remove pressure plate from inlet and outlet ports at rear of compressor.
4. Place rear of compressor over drain container. Slowly rotate driveplate through several revolutions in both directions.
5. Measure quantity of drained oil.
6. Add compressor oil to receive a total of 7 fl. oz. Refill compressor.
7. Oil may be added to system either directly into compressor or into compressor charging port.
The following procedure must be performed very slowly to prevent liquid refrigerant from damaging compressor.
1. Operate engine with A/C running for 10-15 minutes.
2. Stop engine, then remove drain plug from bottom of compressor. Drain oil into suitable container.
3. Remove pressure plate from inlet and outlet ports at rear of compressor.
4. Place rear of compressor over drain container. Slowly rotate driveplate through several revolutions in both directions.
5. Measure quantity of drained oil.
6. Add compressor oil to receive a total of 7 fl. oz. Refill compressor.
7. Oil may be added to system either directly into compressor or into compressor charging port.
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.