Installation Procedure
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Rear Spring Shackle(3) - Install
- Rear Spring Bolt(2)@ Rear Eye - Install
- Rear Spring Nut(1)@ Rear Eye - Loosely install
Rear Leaf Spring (1) - Install
Rear Spring Bolt(3)@ Frame - Install
- Rear Spring Nut(2)@ Frame - Loosely install
- Rear Spring Bolt(1)@ Front Eye - Loosely install the NEW bolt.
- Using the jack stand, raise the axle back into position.
Rear Spring U-Bolt Spacer (2) - Install
- Rear Spring U-Bolt(1) - Install NEW[2x]
-
Rear Spring Anchor Plate(3) - Install
- Rear Spring U-Bolt Washer(2) - Install[4x]
- Rear Spring U-Bolt Nut(1) - Install and tighten in the criss-cross sequence shown. [4x]
- First Pass:140 N.m (103 lb ft)
- Second Pass:175 - 185 degrees
- Remove the jack stand from the rear axle assembly.
- Install the tire and wheel assembly. Tire and Wheel Removal and Installation (Without Dual Rear Wheels) , or Tire and Wheel Removal and Installation (With Dual Rear Wheels)
- { If equipped }Fuel Tank- Rear - Install - Fuel Tank Replacement (Passenger/Cargo) , or Fuel Tank Replacement (Chassis Cab, Front Tank) , or Fuel Tank Replacement (Chassis Cab, Rear Tank)
- Lower the vehicle.
- Set the vehicle to curb height. Trim Height Specifications
Rear Spring Nut(1)@ Rear Eye - Tighten160 N.m (118 lb ft)
- Rear Spring Nut(2)@ Frame - Tighten
- First Pass:140 N.m (103 lb ft)
- Second Pass:175 - 185 degrees
- Rear Spring Bolt(1)@ Front Eye - Tighten
- First Pass:300 N.m (221 lb ft)
- Second Pass:140 - 160 degrees
WARNING:
This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fasteners could cause damage to the vehicle, component, or bodily injury.
CAUTION:
Refer to Fastener Caution .