Grand Cherokee 2WD L6-242 4.0L VIN S MFI (1993)
Refrigerant Oil: Service and Repair
Compressor Oil Level Check
Sankyo Compressor
Fig. 2 Compressor Oil Level Check. Sankyo 508 Compressor
Fig. 3 Compressor Oil Level Check. Sankyo 709 Compressor
Fig. 4 Mounting Angle Degree & Oil Level. Sankyo Compressors
1. Operate air conditioning system for 10 minutes.
2. Stop engine, then disconnect A.C. compressor clutch connector.
3. Front-seat the discharge and suction service valves.
4. Determine mounting angle as follows:
a. Using suitable angle gauge across the flat surfaces of the front mounting ears.
b. Read the mounting angle to the closest degree.
c. Most models have 0 ° mounting angle.
5. On models with SD 508 compressor look through oil filler plug hole and rotate clutch front plate to position internal parts.
6. On models with SD 709 compressor, rotate clutch front plate counter weight to 30 °.
7. On all models, insert dipstick tool No. J29642-12 to its stop position. The stop is the angle near the top of dipstick. The bottom surface of the
