Chevrolet Trax Owners & Service Manuals

Chevrolet Trax: Intake manifold replacement - Removal Procedure

Chevrolet Trax (2013-2022) Workshop Manual / Engine / Engine Mechanical - 1.4L / Intake manifold replacement / Intake manifold replacement - Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine cover. Refer to Engine Cover Replacement.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Fig. 31: Heater Outlet Hose And ECM Wiring Harness Retainer Clips
Fig. 31: Heater Outlet Hose And ECM Wiring Harness Retainer Clips

  1. Unclip the heater outlet hose from retainer clip (1).
  2. Unclip the engine control module wiring harness from 2 retainer clips (2).
  3. Lower the vehicle.
  4. Remove the charge air cooler outlet air hose from the throttle body. Refer to Charge Air Cooler Outlet Air Hose Replacement .

Fig. 32: Throttle Body Wiring Harness Plug
Fig. 32: Throttle Body Wiring Harness Plug

  1. Disconnect the throttle body wiring harness plug (1).

Fig. 33: PCV Hose And Wiring Harness Plugs
Fig. 33: PCV Hose And Wiring Harness Plugs

  1. Disconnect the evaporative emission canister purge solenoid valve wiring harness plug (2).
  2. Disconnect the manifold absolute pressure sensor wiring harness plug (1).
  3.  Disconnect the 4 fuel injector wiring harness plugs (4).
  4. Unclip the engine control module wiring harness from the camshaft cover.
  5.  Disconnect the PCV hose (3).

Fig. 34: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Plug, Intake Manifold And Fuel Injection Rail Retainer Clips
Fig. 34: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Plug, Intake Manifold And Fuel Injection Rail Retainer Clips

  1. Disconnect the turbocharger wastegate regulator solenoid valve wiring harness plug (3).
  2. Unclip the engine control module wiring harness from 2 intake manifold retainer clips (2) and from 2 fuel injection rail retainer clips (1).
  3. Relieve the fuel system pressure. Refer to Fuel Pressure Relief

Fig. 35: Fuel Feed Pipe And Fuel Injector Rail
Fig. 35: Fuel Feed Pipe And Fuel Injector Rail

  1. Remove the fuel feed pipe (4) from fuel injector rail.
  2. Unclip the fuel feed pipe from retainer clip (1).
  3. Remove the fuel ventilation pipe (2) from evaporative emission canister purge solenoid valve.
  4. Unclip the fuel ventilation pipe from retainer clip (1).
  5. Close the vents with closure plugs.
  6.  Disconnect the brake booster vacuum pipe (3) from the intake manifold.

Fig. 36: Intake Manifold Bolts
Fig. 36: Intake Manifold Bolts

NOTE: The intake manifold bolts remain in intake manifold.

  1. Remove the 6 intake manifold bolts (1).

Fig. 37: Intake Manifold
Fig. 37: Intake Manifold

  1. Remove the intake manifold (1) and the intake manifold gasket.
  2.  Transfer parts from intake manifold as necessary. Refer to Intake Manifold Disassemble, and Intake Manifold Assemble.

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    Press to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. Selling/Transferring the Vehicle Call 1-888-4-ONSTAR immediately to terminate your OnStar services if the vehicle is disposed of, sold, transferred, or if the lease ends.

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