Knuckle Assembly
Figure 2 Auxiliary Spring (Previous Design):
Figure 2A Auxiliary Spring (Current Design):
Special Tools:
Figure 2 and 2A
Tool Required: J 35778 Rear Leaf Spring Compressor
J 37956 Auxiliary Spring Compressor
REMOVE OR DISCONNECT
1. Raise vehicle, refer to General Information (Section 0A).
2. Tire and wheel assembly, refer to Tires and Wheels (Section 3E).
3. Scribe strut to knuckle.
4. Jack pad.
5. Install J 35778 to rear leaf spring.
- Fully compress rear leaf spring with J 35778, do not remove leaf spring or retention plates.
6. Auxiliary spring using J 37956, refer to "Auxiliary Spring".
7. Front rod at knuckle.
8. Brake hose bracket, caliper, and rotor, refer to Disc Brake Caliper Assembly (Section 5B9).
9. ABS electrical harness, if ABS equipped.
10. Hub and bearing assembly.
11. Trailing arm from knuckle.
12. Strut/upper auxiliary spring bracket/stabilizer shaft bracket (if equipped) from knuckle.
13. Knuckle.
INSTALL OR CONNECT
1. Knuckle.
2. Strut/upper auxiliary spring bracket/stabilizer shaft bracket (if equipped) to knuckle.
- Hand start nuts only.
3. Front rod to knuckle and snug bolt.
- Use GM thread locker, P/N 1052624.
- Do not tighten bolt at this time.
4. Trailing arm to knuckle.
Tighten
- Nut to 260 N-m (192 lb. ft.).
5. Hub and bearing assembly.
6. ABS electrical harness, if removed.
7. Rotor and caliper, refer to Disc Brake Caliper Assembly (Section 5B9).
Tighten
- Align scribe marks to ensure proper wheel alignment.
- Strut to knuckle to upper auxiliary spring bracket to stabilizer shaft bolts to 180 N-m (133 lb. ft.)
8. Brake hose bracket, refer to Disc Brake Caliper Assembly (Section 5B9).
9. Auxiliary spring using J 37956, refer to "Auxiliary Spring".
Tighten
- Rod to knuckle bolts, using GM thread locker, P/N 1052624 to 90 N-m + 90 degrees (66 lb. ft. plus 90 degrees).
10. Remove J 35778 from rear leaf spring.
11. Jack pad.
Tighten
- Bolt to 25 N-m (18 lb. ft.)
12. Tire and wheel assembly, refer to Tires and Wheels (Section 3E).
13. Lower vehicle.