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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 4.6L (2 Of 5)) >> On-Vehicle Repair Instructions (1 Of 2) >> Secondary Camshaft Drive Chain Shoe Replacement - Right Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the right secondary camshaft drive chain tensioner. Refer to Secondary Camshaft Drive Chain Tensioner Replacement - Right Side .
  2. Remove the right camshaft cover. Refer to Camshaft Cover Replacement - Right Side .
    3. Fig 1: Ensuring Camshaft Sprocket Drive Pins Are At Top Of Their Rotation
    GM517164Courtesy of GENERAL MOTORS CORP.
  3. Ensure both camshaft sprocket drive pins are at the top of their rotation.
    4. Fig 2: Using Camshaft Holding Tool
    GM650538Courtesy of GENERAL MOTORS CORP.
  4. Install the J 44212  over the camshafts. See Special Tools .
    5. Fig 3: View Of Mechanics Wire, Right Secondary Camshaft Drive Chain Shoe & Front Cover Bolt
    GM749349Courtesy of GENERAL MOTORS CORP.
  5. Remove the mechanics wire (1) supporting the right secondary camshaft drive chain shoe (3).
  6. Remove the engine front cover bolt (2) from the front of the engine.
    7. Fig 4: Locating Camshaft Drive Chain Shoe Access Plugs On Front Of Engine
    GM748194Courtesy of GENERAL MOTORS CORP.
  7. Remove the right secondary camshaft drive chain shoe access plug (1) located in the cylinder head. Ensure the O-ring seal remains attached to the access plug.
    8. Fig 5: Identifying Right Secondary Camshaft Drive Chain Shoe Bolt
    GM685338Courtesy of GENERAL MOTORS CORP.
  8. Remove the right secondary camshaft drive chain shoe bolt.
    9. Fig 6: View of Right Secondary Camshaft Drive Chain Shoe
    GM685343Courtesy of GENERAL MOTORS CORP.
  9. Remove the right secondary camshaft drive chain shoe.
  10. Clean and inspect the camshaft timing drive components. Refer to Camshaft Timing Drive Components Cleaning and Inspection .
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