Montana SV6 (2006), Relay, Terraza, Uplander (2005-2007)

Throttle Body

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Removal & Installation



3.5L Engine
  1. Remove the air cleaner intake duct.
  2.  
  3. Disconnect the electronic throttle control (ETC) electrical connector (1) from the throttle body.
  4.  
  5. Remove the heater pipe nut at the throttle body.
  6.  
  7. Remove only the heater inlet pipe.
  8.  
  9. Remove the nuts and the bolts from the throttle body.
  10.  
  11. Remove the throttle body assembly.
  12.  
  13. Remove the throttle body gasket.
  14.  
  15. Clean and inspect the throttle body gasket mating surfaces.
  16.  

To install:

  1. Install a new gasket, if necessary.
  2.  
  3. Install the throttle body assembly.
  4.  
  5. Install the throttle body nuts and the bolts and tighten to 89 inch lbs. (10 Nm).
  6.  
  7. Install the heater inlet pipe.
  8.  
  9. Install the heater pipe nut to the throttle body and tighten to 89 inch lbs. (10 Nm).
  10.  
  11. Connect the ETC electrical connector to the throttle body.
  12.  
  13. Install the air cleaner intake duct.
  14.  
  15. Start the engine and check for leaks.
  16.  

3.9L Engine
  1. Remove the intake manifold cover.
  2.  
  3. Drain the engine cooling system.
  4.  
  5. Remove the air intake assembly.
  6.  
  7. Disconnect the engine wiring harness from the electronic throttle control (ETC).
  8.  
  9. Remove the heater hoses from the throttle body and reposition the hoses aside.
  10.  
  11. Remove the throttle body mounting bolts and nuts.
  12.  
  13. Remove the throttle body assembly and gasket.

    Click image to see an enlarged view

    Fig. Throttle body mounting-3.9L engine shown

  14.  

To install:


WARNING
Do not reuse the throttle body gasket. Install a NEW gasket during assembly.

  1. Install a new throttle gasket by aligning the locating tab of the gasket with the notch in the manifold.
  2.  
  3. Position the throttle body to the intake manifold. Tighten the bolts and nuts to 89 inch lbs. (10 Nm).
  4.  
  5. Reconnect the heater hoses to the throttle body. Tighten the pipe clamp nuts to 89 inch lbs. (10 Nm).
  6.  
  7. Connect the engine wiring harness to the ETC.
  8.  
  9. Install the air intake assembly.
  10.  
  11. Install the intake manifold cover.
  12.  
  13. Refill the engine coolant to the correct level.
  14.  
  15. Start the engine and check for leaks.
  16.  

 
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