Front Caster Adjustment

Use the following procedure in order to prepare the top strut mounting holes:

1. Remove the top 3 bolts from the strut tower.
   Fig 1: Removing Top Bolts From Strut Tower

   Courtesy of GENERAL MOTORS CORP.
2. Lift the front of the vehicle by the body in order to separate the strut from the inner wheel house. Refer to LIFTING AND JACKING THE VEHICLE .
3. Pop out the 2 guide pins.
4. Hand file the excess metal in order to make slotted holes.
   Fig 2: Making Slotted Holes

   Courtesy of GENERAL MOTORS CORP.
5. Paint the exposed metal using rust preventative paint or primer.
6. Lower the front of the vehicle.
7. Install the strut attaching bolts.

   Do not tighten the bolts at this time.

   NOTE: Refer to FASTENER NOTICE .
8. Move the top of the strut forward or rearward in order to adjust the caster. A 1 mm (0.040 in) position change at the tower is about equal to a 0.1 degree change in the caster. Refer to WHEEL ALIGNMENT SPECIFICATIONS .

   Tighten 

   Tighten the strut attaching bolts to 47 N.m (35 lb ft).

9. Perform a complete wheel alignment.