Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the leaf spring assembly to the vehicle.
- Install the front spring hanger bracket bolt.
- Install the front spring hanger bracket nut.
- Install the rear spring hanger bracket bolt.
- Install the rear spring hanger bracket nut.
- Install the spring spacer.
- Install the U-bolts.
- Install the anchor plate.
- Install the U-bolt nuts.
Tighten:
- For 15 series without rear wheel steering tighten the U-bolt nuts to 72 N.m (53 lb ft).
- For all 15 series with rear wheel steering and 15HD/25/35/36 series tighten the U-bolts to 150 N.m (110 lb ft )
- Tighten the front hanger bracket nut to 150 N.m (110 lb ft).
- Tighten the rear hanger bracket nut to 95 N.m (70 lb ft).
- Install the fuel tank for left side applications. Refer toFuel Tank Replacement (Pickup) or Fuel Tank Replacement (Pickup - 5.3L (L59) Engine) or Fuel Tank Replacement (1500 Crew Cab) or Fuel Tank Replacement (Cab/Chassis - Front) or Fuel Tank Replacement (Cab/Chassis - Rear) in Engine Controls - 4.8L, 5.3L, 6.0L; or Fuel Tank Replacement in Engine Controls - 4.3L; or Fuel Tank Replacement (Pickup) or Fuel Tank Replacement (Cab/Chassis - Front) or Fuel Tank Replacement (Cab/Chassis - Rear) in Engine Controls - 6.6L; or Fuel Tank Replacement (Pickup) or Fuel Tank Replacement (Cab/Chassis - Front) or Fuel Tank Replacement (Cab/Chassis - Rear) in Engine Controls - 8.1L.
- Install the trailer hitch, if equipped. Refer to Trailer Hitch Replacement in Frame and Underbody.
- Remove the rear axle support.
- Lower the vehicle.
IMPORTANT:
Do not reuse the U-bolts.
NOTE:
Refer to Fastener Notice
in Cautions and Notices.