Axle Housing to Upper Control Arm Bushing

Removal

NOTE: If one rear suspension arm and bushing (5500) requires replacement, also replace the rear suspension arm and bushing on the opposite side of the vehicle.

 CAUTION: Rear suspension fasteners are important retaining parts in that they could affect the performance of vital components and systems and/or could result in major service expense. They must be replaced with one of the same part number or with an equivalent part if replacement becomes necessary. Do not use a replacement part of lesser quality or substitute design. Torque values must be used as specified during reassembly to ensure proper retention of this part.

NOTE: If both rear suspension arm and bushings are to be replaced, remove and replace one control arm at a time to prevent the rear axle housing (4010) from rolling or slipping sideways, as this might occur with both rear suspension arm and bushings removed, making replacement difficult.

1. Raise the vehicle, and support the frame side rails with jackstands. Refer to Section 00-02.

2. Support the rear axle housing .

3. Lower the rear axle housing , and support the rear axle housing under differential pinion nose as well as under rear axle housing .

4. Unsnap parking brake rear cable and conduit (2A635) from upper arm retainer.

5. Remove and discard the nut and bolt retaining the rear suspension arm and bushing to the rear axle housing . Disconnect the rear suspension arm and bushing from the rear axle housing .

6. Remove and discard the nut and bolt that secures the rear suspension arm and bushing to the frame bracket, and remove the rear suspension arm and bushing .

   If rear suspension arm bushing (5A638) is to be replaced, use Suspension Bushing Service Set T79P-5638-A and Rear Axle Control Arm Bushing Tools T86P-5638-AH and the following procedure:

7. Place the upper arm rear bushing remover tool in position, and pull rear suspension arm bushing out.
   
   
   
   
   

   Item	Part Number	Description
   1	5A638	Rear Spring Upper Retaining Seat
   2	T86P-5638-AH3	Spacer
   3	T86P-5638-AH2	Remover Receiving Cap
   4	T79P-5638-A1	Forcing Screw
   5	—	Rear Axle Ear (Part of 4010)
   6	T79P-5638-A5	Bushing Remover

8. Using Suspension Bushing Service Set T79P-5638-A, install rear suspension arm bushing assembly into bushing ear of rear axle housing .
   
   
   
   
   

   Item	Part Number	Description
   1	T86P-5638-AH3	Spacer
   2	T86P-5638-AH2	Bushing Replacer
   3	T79P-5638-A1	Forcing Screw
   4	—	Rear Axle Ear (Part of 4010)
   5	T86P-5638-A2	Replacer Receiving Cap
   6	5A638	Rear Spring Upper Retaining Seat

9. Install rear suspension arm and bushing . Refer to Section 04-02.