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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 1.4L (LUV) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement >> Removal Procedure

Removal Procedure

  1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove engine sight shield.
  3. Unclip the heater outlet hose from retainer clip (1).
    Fig 1: Heater Outlet Hose And ECM Wiring Harness Retainer Clips
    GM2192267Courtesy of GENERAL MOTORS COMPANY
  4. Unclip the engine control module wiring harness from 2 retainer clips (2).
  5. Remove the charge air cooler outlet air hose from the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement (Manual Transmission) and Charge Air Cooler Outlet Air Hose Replacement (Automatic Transmission) .
  6. Disconnect the throttle body wiring harness plug (1).
    Fig 2: Throttle Body Wiring Harness Plug
    GM2191969Courtesy of GENERAL MOTORS COMPANY
  7. Disconnect the evaporative emission canister purge solenoid valve wiring harness plug (3).
    Fig 3: Wiring Harness Plugs
    GM2192265Courtesy of GENERAL MOTORS COMPANY
  8. Disconnect the 2 manifold absolute pressure sensor wiring harness plugs (1) and (2).
    NOTE: Make note of the installed position of the manifold absolute pressure sensor wiring harness plugs to ensure they will be connected in their original position.
  9. Disconnect the 4 fuel injector wiring harness plugs (4).
  10. Unclip the engine control module wiring harness from the camshaft cover.
  11. Disconnect the turbocharger wastegate regulator solenoid valve wiring harness plug (3).
    Fig 4: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Plug, Intake Manifold And Fuel Injection Rail Retainer Clips
    GM2192266Courtesy of GENERAL MOTORS COMPANY
  12. Unclip the engine control module wiring harness from 2 intake manifold retainer clips (2) and from 2 fuel injection rail retainer clips (1).
  13. Remove fuel injector rail cap (1).
    WARNING: Gasoline or gasoline vapors are highly flammable. A fire could occur if an ignition source is present. Never drain or store gasoline or diesel fuel in an open container, due to the possibility of fire or explosion. Have a dry chemical (Class B) fire extinguisher nearby.
    Fig 5: Fuel Injector Rail Cap
    GM2191389Courtesy of GENERAL MOTORS COMPANY
  14. Relieve the fuel system pressure. Use EN-34730-91  pressure tester (1).
    Fig 6: Pressure Tester
    GM2191388Courtesy of GENERAL MOTORS COMPANY
  15. Disconnect the fuel feed pipe (1) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
    Fig 7: Fuel Feed Pipe
    GM2452047Courtesy of GENERAL MOTORS COMPANY
  16. Unclip fuel feed pipe from the retainer clip.
  17. Disconnect the positive crankcase ventilation pipe from the intake manifold. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement 
  18. Disconnect the fuel ventilation pipe (1) from the evaporative emission canister purge solenoid valve.
    Fig 8: Fuel Ventilation Pipe
    GM2452052Courtesy of GENERAL MOTORS COMPANY
  19. Unclip the fuel ventilation pipe from the retainer clip.
  20. Disconnect the brake booster vacuum pipe (1) from intake manifold.
    Fig 9: Brake Booster Vacuum Pipe
    GM2452054Courtesy of GENERAL MOTORS COMPANY
  21. Remove the 6 intake manifold bolts (1).
    Fig 10: Intake Manifold Bolts
    GM2192268Courtesy of GENERAL MOTORS COMPANY
    NOTE: Intake manifold bolts remain in intake manifold. Note the installation of the fuel rail ground strap for proper installation.
  22. Remove the intake manifold (1).
    Fig 11: Intake Manifold
    GM2192269Courtesy of GENERAL MOTORS COMPANY
  23. Remove and DISCARD the intake manifold gasket.
  24. Remove the assembly parts from the intake manifold as necessary. Refer to Intake Manifold Disassemble .
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