Hotchkis 1206AA 73-77 GM A-Body Dbl Adjustable Upper Trailing Arms User Manual

Page 2

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Removal of Stock Upper Trailing Arms and Differential Bushings

1) Place vehicle onto level surface. Place blocks in front of front tires.
2) Support rear of car on jack stands and remove rear wheels.
3) Place floor jack under differential and lift-up slightly taking the tension away

from trailing arm bolts - be sure not to lift vehicle off of jack stands.

4) Remove both lower shock bolts.
5) Lower rear axle with floor jack, being careful not to stretch rear brake lines.
6) Remove rear coil springs.


** KEEP FLOOR JACK UNDER DIFFERENTIAL DURING THE
COMPLETE REMOVAL AND INSTALLATION PROCEDURE


7) Start with either trailing arm and remove the rear bolt.
8) Then remove the front trailing arm bolt.
9) Repeat procedure for opposite side.
10) Remove upper stock rubber bushing and shell from axle housing.


Installation of Hotchkis Performance Upper Trailing

Arms


1) Remove supplied polyurethane bushing from outer shell.

2) Install new shell into axle housing. (Do not hammer on shell - use wood or steel.
Do not press the driver’s side all the way in! The thrust washer may have to be
trimmed and installed before

(

the bushing shell is pressed in all the way.

see figure on reverse side

)

3) Lubricate polyurethane with supplied grease.

4) Slip bushing into shell already in axle housing.

5) Lubricate inner sleeve and install into bushing.

6) Lubricate and install thrust washers by slipping them over axle housing
bushing.

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