LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 409 (Frame And Underbody) >> Repair Instructions >> Drivetrain and Front Suspension Cradle Replacement (FWD) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Suspension components attached to the frame use Torque-to-Yield fasteners and must be DISCARDED and replaced with NEW Torque Angle Yield (TAY) fasteners. The frame to body fasteners are not TAY fasteners.

NOTE:

Vehicle alignment is not required if the cradle is being lowered or dropped to perform another procedure. This vehicle is equipped with a cradle to body aligning feature: cradle to body through holes or self-aligning pins that are part of the cradle or body. Only align if replacing the cradle with a NEW part and transferring components.

  1. Install the engine support fixture. Engine Support Fixture
  2. Fig 1: Intermediate Steering Shaft
    GM4286462Courtesy of GENERAL MOTORS COMPANY
  3. Separate Intermediate Steering Shaft (2) @Steering Gear Intermediate Steering Shaft Replacement
  4. Raise and support the vehicle. Lifting and Jacking the Vehicle
  5. Remove the front wheels. Tire and Wheel Removal and Installation
  6. Remove Exhaust Front Pipe Exhaust Front Pipe Replacement (Bank 1, LGX)Exhaust Front Pipe Replacement (Bank 2, LGX)Exhaust Front Pipe Replacement (LCV)
  7. Fig 2: Identifying Front Transmission Mount Through Bolt
    GM2199369Courtesy of GENERAL MOTORS COMPANY
  8. Remove Front Transmission Mount Through Bolt (1)Transmission Front Mount Replacement
  9. Fig 3: Rear Transmission Mount Through Bolt
    GM4287551Courtesy of GENERAL MOTORS COMPANY
  10. Remove Rear Transmission Mount Through Bolt (1)Transmission Rear Mount Replacement (Front Wheel Drive)Transmission Rear Mount Replacement (All Wheel Drive)
  11. Fig 4: Front Wheelhouse Liner
    GM4372985Courtesy of GENERAL MOTORS COMPANY
  12. Remove Front Wheelhouse Liner (2)Front Wheelhouse Liner Replacement 
  13. Fig 5: Front Suspension Automatic Forward Lighting Position Sensor
    GM4290118Courtesy of GENERAL MOTORS COMPANY
  14. Separate { If equipped } Front Suspension Automatic Forward Lighting Position Sensor (1) @Front Lower Control Arm
  15. Fig 6: Front Lower Control Arm
    GM4280674Courtesy of GENERAL MOTORS COMPANY
  16. Separate Front Lower Control Arm (1) @Steering Knuckle Lower Control Arm Replacement
  17. Fig 7: Linkage Outer Tie Rod And Steering Knuckle
    GM4279790Courtesy of GENERAL MOTORS COMPANY
  18. Separate Steering Linkage Outer Tie Rod (3) @Steering Knuckle Steering Linkage Outer Tie Rod Replacement
  19. Fig 8: Stabilizer Shaft Link
    GM4279792Courtesy of GENERAL MOTORS COMPANY
  20. Separate Stabilizer Shaft Link (2) @Stabilizer Shaft Stabilizer Shaft Link Replacement
  21. Fig 9: Wiring Harness Clip And Steering Gear Housing
    GM4293168Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Always disconnect the steering gear electrical connectors before removal of the drivetrain and front suspension cradle. Failure to disconnect the electrical connectors at the steering gear will result in damage to the steering gear.

  22. Disconnect the electrical connector on the steering gear and disconnect the wiring harness clip from the steering gear housing.(1)
  23. Fig 10: Front Cradle Mount Bolt Bracket Bolt, Drivetrain And Front Suspension Cradle Bolt
    GM4297483Courtesy of GENERAL MOTORS COMPANY
  24. Install EN-39580  Support Stand under the drivetrain and front suspension cradle.
  25. Lower the vehicle until the drivetrain and front suspension frame is resting lightly on the jackstands.
  26. Remove Front Cradle Mount Bolt Bracket Bolt (1)
  27. Remove Drivetrain and Front Suspension Cradle Bolt (2) and DISCARD the bolts.
  28. With the aid of an assistant, carefully raise the body from the frame.
  29. Ensure when raising the body the following items are clear from the frame:
    • Vacuum lines
    • Steering knuckles
    • Electrical wiring harnesses
  30. Fig 11: Drivetrain And Front Suspension Frame
    GM4297574Courtesy of GENERAL MOTORS COMPANY
  31. Remove the drivetrain and front suspension frame.(1)
  32. Fig 12: Electric Belt Drive Rack and Pinion Steering Gear
    GM4284078Courtesy of GENERAL MOTORS COMPANY
  33. Remove Electric Belt Drive Rack and Pinion Steering Gear (3)Electric Belt Drive Rack and Pinion Steering Gear Replacement
  34. Transfer parts as necessary.