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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Frame And Underbody) >> Repair Instructions >> Drivetrain and Front Suspension Frame Removal and Installation (LGX, LTG) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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.

  1. Using mechanics wire, support the radiator and AC condenser assembly to the vehicle body.
  2. Install the engine support fixture. Engine Support Fixture , (LTG) or Engine Support Fixture (LGX) (LGX)
    3. Fig 1: Vacuum Filter
    GM2780480Courtesy of GENERAL MOTORS COMPANY
  3. If equipped with vacuum controlled engine mounts, disconnect the vacuum filter (1) from the radiator assembly.
    4. Fig 2: Left Engine Mount Fastener
    GM2779637Courtesy of GENERAL MOTORS COMPANY
  4. Remove the left engine mount fastener (1).
  5. Raise and support the vehicle. Lifting and Jacking the Vehicle (ATS)Lifting and Jacking the Vehicle (ATS-V)
    6. Fig 3: Right Engine Mount Fastener
    GM2779687Courtesy of GENERAL MOTORS COMPANY
  6. Remove the right engine mount fastener (1).
  7. Remove the front wheels. Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series)
  8. Remove the front air deflector. Front Air Deflector Replacement
  9. Remove the lower noise shield. Engine Compartment Lower Noise Shield Replacement (All Wheel Drive) Engine Compartment Lower Noise Shield Replacement (Front Wheel Drive) 
  10. Remove the front wheelhouse panel splash shields. Front Wheelhouse Splash Shield Replacement (Rear Wheel Drive) Front Wheelhouse Splash Shield Replacement (All Wheel Drive) 
  11. Disconnect the lower steering intermediate shaft from the electric power steering assembly. Intermediate Steering Shaft Replacement (RWD)Intermediate Steering Shaft Replacement (AWD)
    12. Fig 4: Electric Power Steering Electrical Connectors
    GM2780190Courtesy of GENERAL MOTORS COMPANY
  12. Disconnect the electric power steering electrical connectors (1). FEP Connectors (Steering Gear)
  13. If equipped, disconnect the electrical connectors from the engine mount vacuum control solenoids (2).
    14. Fig 5: Engine Harness Retainers And Frame
    GM4630708Courtesy of GENERAL MOTORS COMPANY
  14. Disconnect the engine harness retainers (1) from the frame (2).
  15. Remove the front crossmember brace. Front Crossmember Brace Replacement (Left Side - LF4) Front Crossmember Brace Replacement (AWD - LTG/LCV) Front Crossmember Brace Replacement (RWD - LTG/LCV) Front Crossmember Brace Replacement (Right Side - LF4) 
    16. Fig 6: Engine Mount Vacuum Line
    GM2780499Courtesy of GENERAL MOTORS COMPANY
  16. If equipped, disconnect the engine mount vacuum line (1).
    17. NOTE:

    Mark position of right and left lower stabilizer shaft links.

  17. Disconnect the right and left lower stabilizer shaft links from the stabilizer bar. Stabilizer Shaft Link Replacement (Non V-Series)Stabilizer Shaft Link Replacement (V-Series)
  18. Disconnect the outer tie rod ends from the steering knuckles. Steering Linkage Outer Tie Rod Replacement (Non V-Series)Steering Linkage Outer Tie Rod Replacement (V-Series)
  19. Disconnect the front lower control front links from the steering knuckles. Front Lower Control Front Link Replacement (Non V-Series With RWD)Front Lower Control Front Link Replacement (V-Series)Front Lower Control Front Link Replacement (Non V-Series With AWD)
  20. Disconnect the front lower control rear links from the steering knuckles. Front Lower Control Rear Link Replacement (Non V-Series)Front Lower Control Rear Link Replacement (V-Series)
    21. Fig 7: Electronic Level Sensor & Electrical Connector
    GM2868517Courtesy of GENERAL MOTORS COMPANY
  21. If equipped, disconnect the ride height sensor (2) connector from the ride height sensor (1).
    22. Fig 8: Drivetrain And Front Suspension Cradle Front, Interior And Rear Bolts
    GM4596227Courtesy of GENERAL MOTORS COMPANY
  22. Install J-39580  stand under the frame.
  23. Lower the vehicle to the frame support table.
  24. Remove the two drivetrain and front suspension cradle front bolts (1).
  25. Remove the two drivetrain and front suspension cradle interior bolts (2).
  26. Remove the two drivetrain and front suspension cradle rear bolts (3).
  27. With the aid of an assistant, carefully raise the body from the frame.
  28. Ensure when raising the body the following items are clear from the frame:
    • Vacuum lines
    • Steering knuckles
    • Electrical wiring harnesses
    • Oil coolers lines
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