Hotchkis 1803A User Manual

1201AA

78-88 GM A/G-BODY

Double Adjustable Trailing Arms

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Warning: This installation should be performed by a trained professional.

INSTALLATION INSTRUCTIONS

1. First, raise the rear of the v ehicle so that t he rear whe els are off the gro und. If you ar e using a 2-post lift,
support the differential with a hydraulic tranny jack.

2. Remove the rear shocks.

3. Remove the rear sway bar from the lower trailing arms.

4. Allow the differential to droop as far down as possible.

5. Remove the stock upper trailing arms.

6. As an initial starting point, set the Hotchkis trailing arms to the same length (hole to hole) as the stock
pieces. Do not fully tighten the jam nuts yet.

7. Reinstall the Hotchkis trailing arms in the same manner as stock removal.

8. Continue to the next section “Setting Pinion Angle”

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