Equinox 2005-2007, Torrent 2006-07

Upper Intake Manifold (Plenum)

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Removal & Installation



  1. Remove the engine appearance cover.
  2.  
  3. Release the clamp from the brake booster vacuum hose connection.
  4.  
  5. Disconnect the brake booster vacuum hose from the intake manifold.
  6.  
  7. Disconnect the left side spark plug wires from the retainers and from the spark plugs.
  8.  
  9. Remove the ignition control module bracket from the engine with the ignition control module and spark plug wires still attached.
  10.  
  11. Remove the air cleaner intake duct.
  12.  
  13. Remove the heater outlet pipe nut from the upper intake manifold.
  14.  
  15. Remove the heater outlet pipe nuts and bolt from the throttle body.
  16.  
  17. Position the heater outlet pipe out of the way without disconnecting the heater hoses.
  18.  
  19. Remove the EGR pipe.
  20.  
  21. Remove the PCV foul air hose.
  22.  
  23. Loosen but do not completely remove the alternator attachment bolt most near the intake manifold.
  24.  
  25. Remove the alternator brace nut.
  26.  
  27. Remove the alternator brace.
  28.  
  29. Remove the upper intake manifold bolts.
  30.  
  31. Remove the spark plug wire retainer.
  32.  
  33. Remove the upper intake manifold.
  34.  
  35. Remove the upper intake manifold gaskets.

    Click image to see an enlarged view

    Fig. Removing upper intake manifold

  36.  

To install:

  1. Install the upper intake manifold gaskets to the lower intake manifold and install the fir tree retainers to retain the upper intake manifold gasket position.
  2.  
  3. Install the upper intake manifold.
  4.  
  5. Install the spark plug wire retainer.
  6.  
  7. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) to the bolt threads. Install the upper intake manifold bolts. Tighten the bolts to 18 ft. lbs. (25 Nm).
  8.  
  9. Install the alternator brace. Tighten the nut to 18 ft. lbs. (25 Nm).
  10.  
  11. Fully insert the alternator attachment bolt most near the intake manifold. Tighten the bolt to 18 ft. lbs. (25 Nm).
  12.  
  13. Install the PCV foul air hose.
  14.  
  15. Install the EGR pipe.
  16.  
  17. Position the heater outlet pipe to the throttle body and the upper intake manifold.
  18.  
  19. Install the heater outlet pipe nuts to the throttle body. Tighten the nut to 89 inch lbs. (10 Nm).
  20.  
  21. Install the heater outlet pipe bolt to the throttle body. Tighten the bolt to 89 inch lbs. (10 Nm).
  22.  
  23. Install the heater outlet pipe nut to the upper intake manifold. Tighten the nut to 18 ft. lbs. (25 Nm).
  24.  
  25. Install the air cleaner intake duct.
  26.  
  27. Install the ignition control module bracket.
  28.  
  29. Connect the left side spark plug wires to the spark plugs and to the spark plug wire retainers.
  30.  
  31. Connect the brake booster vacuum hose to the intake manifold.
  32.  
  33. Install the clamp to the brake booster vacuum hose connection.
  34.  
  35. Install the engine appearance cover.
  36.  

 
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