Dodge R1500 1999 Service Manual page 38

Fig. 6: Compressor Components (Sanden MSC90-C Scroll)
Courtesy of chrysler corp.
SANDEN SD-7H15 7-CYLINDER
NOTE: On Cherokee, Dakota, Durango, Ram Pickup and Wrangler,
compressor clutch can be serviced in vehicle, without
discharging A/C system.
CLUTCH ASSEMBLY
Removal (Cherokee, Dakota, Durango, Ram Pickup & Wrangler)
1) Disconnect and isolate negative battery cable. Remove
serpentine drive belt. Disconnect clutch coil harness connector.
Without disconnecting refrigerant lines, remove A/C compressor from
mounting bracket. Support compressor in engine compartment.
2) Using spanner wrench, hold clutch plate and remove
compressor shaft nut. See Fig. 1. Using a steering wheel puller,
remove clutch plate, compressor shaft key and shims. Remove external
front housing snap ring.
3) Install jaws of Rotor Puller (C-6141-1) into pulley snap
ring groove. Install Shaft Protector (C-6141-2) over compressor shaft.
Install puller flange plate on jaws. Install Puller Through-Bolts (C-
6461) through puller flange plate into jaws and hand tighten. Tighten
pulley center bolt clockwise and remove pulley from compressor.
4) Remove clutch coil wire harness retainer from compressor
housing. Remove clutch coil snap ring and clutch coil.