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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Mechanical - 4.6L - 1 Of 4) >> On-Vehicle Repair Instructions (1 Of 2) >> Secondary Camshaft Drive Chain Replacement - Right Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of Right Secondary Camshaft Drive Chain
    GM685335Courtesy of GENERAL MOTORS CORP.
  1. Install the right secondary camshaft drive chain by sliding the chain down through the right cylinder head and placing the chain on the right intake camshaft sprocket.
  2. Route the right secondary camshaft drive chain around the outer row of the camshaft intermediate drive shaft sprocket teeth.
    3. Fig 2: Ensuring Camshaft Sprocket Drive Pins Are At Top Of Their Rotation
    GM517164Courtesy of GENERAL MOTORS CORP.
  3. Install the right exhaust camshaft sprocket into the right secondary camshaft drive chain.
  4. Install the right exhaust camshaft sprocket onto the camshaft. The camshaft sprocket notch marked RE (right exhaust) engages the exhaust camshaft pin.
    5. Fig 3: Securing Camshaft Using An Open End Wrench
    GM749353Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Torque Reaction Against Timing Drive Chain Notice .
  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. NOTE: Refer to FASTENER NOTICE .
  6. Install the right exhaust camshaft sprocket bolt.

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

  7. Install the right secondary camshaft drive chain tensioner. Refer to Secondary Camshaft Drive Chain Tensioner Replacement - Right Side .
    8. Fig 4: Using Camshaft Holding Tool
    GM650538Courtesy of GENERAL MOTORS CORP.
  8. Remove the J 44212  from the camshafts. See Special Tools .
  9. Install the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side .
  10. Install the CMP sensor. Refer to Camshaft Position Sensor Replacement .
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