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LOW SPEED KNOCK Low speed knock is generally caused by a worn U-joint or by worn side-gear thrust washers. A worn VIBRATION Vibration at the rear of the vehicle is usually caused by a: • Damaged drive shaft. • Missing drive shaft balance weight(s). • Worn or out-of-balance wheels. • Loose wheel lug nuts. • Worn U-joint(s). • Loose/broken springs. • Damaged axle shaft bearing(s). • Loose pinion gear nut. • Excessive pinion yoke run out. • Bent axle shaft(s). or engine/transmission mounts. These components NOTE: All driveline components should be exam- DRIVELINE SNAP A snap or clunk noise when the vehicle is shifted into gear (or the clutch engaged), can be caused by: • High engine idle speed. • Transmission shift operation. • Loose engine/transmission/transfer case mounts. • Worn U-joints. • Loose spring mounts. • Loose pinion gear nut and yoke. • Excessive ring gear backlash. • Excessive side gear to case clearance. mined with the assistance of a helper. Raise the vehi- STANDARD PROCEDURE - DRAIN AND FILL NOTE: Drain oil when warm. (1) Clean area around oil fill plug and drain plug. (74 ft. lbs.). (4) Remove oil fill plug (1) and fill housing up to bottom edge of oil fill hole (Fig. 1). (5) Install oil fill plug and tighten to N·m 100 (74 ft. lbs.). Fig. 1 FILL PLUG 1 - FILL PLUG VA REAR AXLE 3 - 13 |