Replacement Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the bushing for damage and wear. The bushing must not be damaged or worn.
- Measure the ID of the bushing. Replace the pump bushing if the ID exceeds specifications.
Specification: The bushing maximum ID is 58.458 mm (2.3015 in).
- Remove all gears from the pump body (1).
- Support the pump body (1), machined surface up, on 2 wooden blocks so that the bushing (2) can be removed from the back of the pump body.
- Install the longer end of J 43771 into the bushing. See Special Tools .
- Press or drive the bushing (2) from the pump body (1).
- Clean the bushing bore of all residue. All of the parts must be dry before installing the bushing.
- Support the pump body (1), machined surface down, on 2 wooden blocks.
- Install the bushing (2) onto the shorter end of J 43771 . See Special Tools .
- Apply Loctite® #620, or equivalent, to the bushing bore.
- Using J 43771 , press or drive the bushing into the pump body until J 43771 seats. See Special Tools .
IMPORTANT:
The preferred method of removing or installing the bushing is with tool J 43771
and a press. See Special Tools . If a press is not available use J 43771
and. See Special Tools .J 8092
.
IMPORTANT:
The bushing may be orientated in any position, but the preferred orientation is with the bushing split joint aligned with the casting numbers and the centerline of the boss opposite the numbers. Position the split joint away from the boss.