Driveline Vibration/Grease Stain - Driveline Angle (90-10T-18)

Publication date: 1990-10-01
Reference number: 90-10T-18

DRIVELINE VIBRATION/GREASE STAIN - DRIVELINE ANGLE

TECHNICAL SERVICE BULLETIN

Reference Number(s): 90-10T-18, Date of Issue: October, 1990

APPLICATION

1989-90 Bronco II

SUBJECT

Driveline Vibration

REFERENCE

Ford Motor Co., Tech Tips, No. 90-10T-18, October, 1990

CONDITION & CAUSE

Some 1989-90 Bronco II vehicles may exhibit a driveline vibration or the appearance of grease along driveline. Condition may be caused by incorrect pinion to driveline angle. Rear CV joint boot may deteriorate and eventually cause failure of CV joint.

REPAIR

Raise vehicle on hoist.
Loosen rear U-bolts until shim spacer can be inserted between spring and spring seat.
Insert 2 degree shim spacer (C3TZ-5A313-A) with thick end pointing to front of vehicle.
Tighten U-bolt nuts to 65-75 ft. lbs. (88-102 N.m).

Fig 1: Installing Shim Spacer