Installation Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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 bolt and nuts but do not tighten.
- Install the rear leaf spring hanger to shackle nut and bolt.
- Install the spring spacer, if equipped.
- Install the U-bolts.
- Raise the rear axle until it touches the leaf spring and applies light compression to the leaf spring.
- Install the anchor plate.
- Install the U-bolt nuts and tighten the U-bolts in a criss-cross sequence to 100 N.m (74 lb ft) for the 1500 and 140 N.m + 180° (103 lb ft) + 180° for the 2500.
- Tighten the front rear spring mounting nut to 170 N.m+ 48° (125 lb ft) + 48°.
- Tighten the rear leaf spring hanger to shackle nut and bolt to 90 N.m (70 lb ft).
- Install the fuel tank assembly.
- For the fuel tank, refer to Fuel Tank Replacement (Pickup) or Fuel Tank Replacement (Cab/Chassis - Front) or Fuel Tank Replacement (Cab/Chassis - Rear) .
- For the auxiliary fuel tank, refer to Auxiliary Fuel Tank Replacement .
- Install the trailer hitch, if equipped. Refer to Trailer Hitch Replacement (Light Duty) or Trailer Hitch Replacement (Heavy Duty) .
- Remove the rear axle support.
- Remove the safety stands.
- Lower the vehicle.
NOTE:
Do not reuse the U-bolts.
CAUTION:
Refer to Fastener Caution
.