Auxiliary Spring

Procedure:

Figures 1, 1A, 2 AND 2A

Tool Required: J37956 Auxiliary Spring Compressor

REMOVE OR DISCONNECT

1 . Raise vehicle, refer to General Information (Section 0A).

2. Tires and wheels, refer to Tires and Wheels (Section 3E).

3. Leaf spring rear retention plate bolt.

4. Leaf spring front retention plate bolt just enough to rotate plate clear of rod.

5. Install J37956 making certain pin in stationary end of clamp is inserted in hole of upper auxiliary spring bracket.

- Remove plug from upper bracket.

6. Seat rod in tool channel and hand tighten.

7. Rod to knuckle bolt.

8. Loosen J37956 forcing screw to allow spring to expand.


IMPORTANT:
When removing auxiliary spring, make sure that rod/bushing clears the transverse spring and boss on knuckle.

9. Auxiliary spring and J37956.

INSTALL OR CONNECT

I . Auxiliary spring and J37956.

2. Compress auxiliary spring using J 37956 enough to install rod to knuckle bolt.

IMPORTANT:
Make certain pin in stationary end of clamp is inserted in hole of upper auxiliary spring bracket and rod is seated In tool channel.

When compressing auxiliary spring, make sure that rod/bushing clears the transverse spring and boss on knuckle.

3. Rod to knuckle bolt, using GM thread locker, P/N 1052624.

Tighten

- Bolt to 90 N-m + 90 degrees (66 lb.ft. + 90 degrees).

4. Remove J37956 and reinstall plug.

5. Properly position retention plate and reinstall bolt.

Tighten

- Bolt to 20 N-m (15 lb.ft.).

6. Tires and wheels, refer to Tires and Wheels (Section 3E).

7. Lower vehicle.