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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Engine Controls And Fuel - 3.6L (LGX LF4) - Repair Instructions) >> Repair Instructions >> Evaporative Emission Pipe Replacement (LF4) >> 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.
    WARNING:

    Refer to Gasoline/Gasoline Vapors Warning .

    WARNING:

    Refer to Safety Glasses Warning .

  1. Remove Intake Manifold Cover. Refer to Intake Manifold Cover Replacement (LF4)
  2. Remove Evaporative Emission Canister Purge Tube. Refer to Evaporative Emission Canister Purge Tube Replacement (LF4) 
  3. Remove Front End Sheet Metal Diagonal Brace - Right Side. Refer to Front End Sheet Metal Diagonal Brace Replacement - Right Side (ATS-V)
  4. Remove Heater Inlet Hose. Refer to Heater Inlet Hose Replacement (LF4)
  5. Remove Heater Outlet Hose. Refer to Heater Outlet Hose Replacement (LF4)
    6. Fig 1: Evaporative Emission Pipe And Retainer
    GM4015905Courtesy of GENERAL MOTORS COMPANY
  6. Remove Evaporative Emission Pipe (1) @ Retainer (2)
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (ATS-V)
  8. Remove Underbody Front Air Deflector - Right Side. Refer to Underbody Front Air Deflector Replacement - Right Side
  9. Remove the front body exhaust heat shield right side. Refer to Front Body Exhaust Heat Shield Replacement (Right)
  10. Remove the right side catalytic converter and exhaust. Refer to Catalytic Converter Replacement - Right Side (LF4)
    11. Fig 2: Evaporative Emission Pipe, Heat Sleeve And Retainer
    GM4295701Courtesy of GENERAL MOTORS COMPANY
  11. Remove Heat Sleeve (1)
  12. Remove Evaporative Emission Pipe (2) @ Retainer (3) (Qty: 2)
    13. Fig 3: Evaporative Emission Pipe, Fuel Tank Vent Valve Hose And Retainers
    GM4016376Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect Evaporative Emission Pipe (1) @ Fuel Tank Vent Valve Hose (3). Refer to Plastic Collar Quick Connect Fitting Service 
  14. Remove Evaporative Emission Pipe (1) @ Retainers (2) (Qty: 4)
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