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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Mechanical - 4.6L - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Secondary Camshaft Intermediate Drive Chain Replacement - Left Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of Left Secondary Camshaft Drive Chain
    GM685362Courtesy of GENERAL MOTORS COMPANY
  1. Install the left secondary camshaft drive chain by sliding the chain down through the left cylinder head and placing the chain on the left exhaust camshaft sprocket.
  2. Route the left secondary camshaft drive chain around the inner row of the camshaft intermediate drive shaft sprocket teeth.
    3. Fig 2: Ensuring Camshaft Sprocket Drive Pins Are At The Top Of Their Rotation
    GM517149Courtesy of GENERAL MOTORS COMPANY
  3. Install the left intake camshaft sprocket into the left secondary camshaft drive chain.
  4. Install the left intake camshaft sprocket onto the camshaft. The camshaft sprocket notch marked LI (left intake) engages the intake camshaft pin.
    5. Fig 3: Holding Camshaft
    GM749356Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque Reaction Against Timing Drive Chain Caution .

  5. Use an open end wrench on the hex cast into the camshaft in order to prevent the camshaft from rotating when tightening the camshaft sprocket bolt.
    6. CAUTION:

    Refer to Fastener Caution .

  6. Install the left intake camshaft sprocket bolt.

    Tighten 

    Tighten the camshaft sprocket bolt to 120 N.m (89 lb ft).

    7. Fig 4: Using Camshaft Holding Tool
    GM650538Courtesy of GENERAL MOTORS COMPANY
  7. Remove the J 44212 from the camshafts.
  8. Install the left camshaft cover. Refer to Camshaft Cover Replacement - Left Side .
  9. Install the left secondary drive chain tensioner. Refer to Secondary Camshaft Intermediate Drive Chain Tensioner Replacement - Left Side .
  10. Install the right secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Replacement - Right Side .
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