Driveline - Vibration or Grease Leak

90ford38 Article No. 90-19-14
^ SUSPENSION - REAR - LEAF SPRING - INSTALLATION OF SHIM SPACER

^ VIBRATION - DRIVELINE - INSTALLATION OF SHIM SPACER

^ DRIVELINE - VIBRATION - CV JOINT DETERIORATION

^ LEAK - GREASE - ALONG DRIVELINE
LIGHT TRUCK: 1989-90 BRONCO II


ISSUE: A driveline vibration or the appearance of grease along the driveline may be caused by an incorrect pinion to driveline angle. The rear CV joint boot may deteriorate and eventually cause the CV joint to fail.

ACTION: Install a 2~ shim-spacer on both sides of the truck between the rear axle spring seat and the leaf spring. Refer to the following procedure for service details.


1. Support the truck on a frame hoist.

2. Loosen the rear U-bolts until the shim spacer can be inserted between the spring and the spring seat.

Figure 1:

3. Insert the shim spacer with the thick end pointing to the front of the truck, Figure 1.

4. Tighten the U-bolt nuts to 65-75 lb.ft. (88-102 N-m).

PART NUMBER PART NAME CLASS

C3TZ-5A313-A 2~ Shim Spacer C

WARRANTY STATUS: Eligible Under Basic Warranty Coverage, Powertrain Warranty Coverage
OPERATION DESCRIPTION TIME
901914A Install Shims 0.9 Hr.
DEALER CODING
BASIC PART NO. CONDITION CODE
4602 67
OASIS CODES: 703000, 304000, 509000, 597997