G6 2005-2007

Throttle Body

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Removal & Installation



2.4L & 3.5L Engines
  1. Remove the air cleaner outlet.
  2.  
  3. Disconnect the electronic throttle control (ETC) electrical connector.
  4.  
  5. Remove the heater pipe nut at the throttle body, if equipped.
  6.  
  7. Remove the throttle body bolts.
  8.  
  9. Remove the throttle body from the intake manifold.
  10.  

To install:

  1. Inspect the throttle body gasket and replace if necessary.
  2.  
  3. Position the throttle body to the intake manifold.
  4.  
  5. Install the throttle body bolts and tighten to 89 inch lbs. (10 Nm).
  6.  
  7. Install the heater pipe nut at the throttle body, if equipped.
  8.  
  9. Connect the ETC electrical connector.
  10.  
  11. Install the air cleaner outlet.
  12.  

3.6L Engine
  1. Remove the air cleaner outlet duct.
  2.  
  3. Disconnect the engine wiring harness electrical connector from the Electronic Throttle Control (ETC).
  4.  
  5. Remove the throttle body bolts.
  6.  
  7. Remove the throttle body and gasket. Discard the gasket

    Click image to see an enlarged view

    Fig. Throttle body removal-3.6L engine

  8.  

To install:

  1. Position a NEW throttle body gasket to the upper intake manifold.
  2.  
  3. Position the throttle body to the upper intake manifold.
  4.  
  5. Install the throttle body bolts and tighten to 89 inch. lbs. (10 Nm).
  6.  
  7. Connect the engine wiring harness electrical connector (2) to the ETC.
  8.  
  9. Install the air cleaner outlet duct.
  10.  
  11. Perform the Throttle Learn Procedure.
  12.  

3.9L Engine
  1. Remove the intake manifold cover.
  2.  
  3. Remove the air cleaner outlet duct.
  4.  
  5. Disconnect the electronic throttle control (ETC) electrical connector.
  6.  
  7. Remove the heater inlet and outlet pipe nuts.
  8.  
  9. Remove the heater inlet and outlet pipe bracket from the throttle body studs.
  10.  
  11. Reposition the pipes.
  12.  
  13. Remove the throttle body bolts/studs.
  14.  
  15. Remove the throttle body.
  16.  
  17. Remove the throttle body gasket.
  18.  

To install:

  1. Install a new gasket, if necessary.
  2.  
  3. Install the throttle body.
  4.  
  5. Install the throttle body bolts/studs and tighten to 89 inch lbs. (10 Nm).
  6.  
  7. Position the heater inlet and outlet pipes and install the pipe bracket to the throttle body studs.
  8.  
  9. Install the heater inlet and outlet pipe nuts and tighten to 89 inch lbs. (10 Nm).
  10.  
  11. Connect the ETC electrical connector.
  12.  
  13. Install the air cleaner outlet duct.
  14.  
  15. Install the intake manifold cover.
  16.  

Throttle Body Relearn Procedure




NOTE
Do NOT perform this procedure if DTCs are set.

  1. Start and idle the engine in PARK for 3 minutes.
  2.  
  3. With a scan tool, monitor desired and actual RPM.
  4.  
  5. The ECM will start to learn the new idle cells and Desired RPM should start to decrease.
  6.  
  7. Ignition OFF for 60 seconds.
  8.  
  9. Start and idle the engine in PARK for 3 minutes.
  10.  
  11. After the 3 minute run time the engine should be idling normal.
    NOTE
    During the drive cycle the check engine light may come on with idle speed DTCs. If idle speed codes are set, clear codes so the ECM can continue to learn.

  12.  
  13. If the engine idle speed has not been learned the vehicle will need to be driven at speeds above 70 km/h (44 mph) with several decelerations and extended idles.
  14.  
  15. After the drive cycle, the engine should be idling normally.
    NOTE
    If the engine idle speed has not been learned, turn OFF the ignition for 60 seconds and repeat step 6.

  16.  
  17. Once the engine speed has returned to normal, clear DTCs.
  18.  

 
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