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the rear wheels. It also allows the braking system to The overrunning clutch housing has a separate oil sump and is filled independently from the differen- t ATF+4. The differential assembly contains a conventional open differential with hypoid ring gear and pinion t Gear and Axle Lubricant. DIAGNOSIS AND TESTING DIAGNOSIS AND TESTING - REAR DRIVELINE Different sources can be the cause of noise that the rear driveline module assembly is suspected of mak- DRIVELINE MODULE ASSEMBLY NOISE The most important part of driveline module ser- vice is properly identifying the cause of failures and If vehicle noise becomes intolerable, an effort should be made to isolate the noise. Many noises that • Tires • Road surfaces • Wheel bearings • Engine • Transmission • Exhaust • Propeller shaft (vibration) • Vehicle body (drumming) two categories: gear noise or bearing noise. A thor- Fig. 1 Driveline Module Section 1 - INPUT FLANGE 7 - BI-DIRECTIONAL OVERRUNNING 13 - PLUG-OVERRUNNING CLUTCH 2 - FLANGE NUT 8 - VISCOUS COUPLER 14 - SNAP RING 3 - WASHER 9 - SHIM (SELECT) 15 - BEARING 4 - SHIELD 10 - O-RING 16 - OVERRUNING CLUTCH HOUSING 5 - VENT 11 - DIFFERENTIAL ASSEMBLY 17 - SEAL-INPUT FLANGE 6 - WASHER 12 - PLUG-DIFFERENTIAL FILL 18 - O-RING CS REAR DRIVELINE MODULE 3 - 29 REAR DRIVELINE MODULE (Continued) |