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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (Engine Mechanical - 3.5L (On-Vehicle)) >> Repair Instructions >> Primary Camshaft Drive Chain Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the primary camshaft drive chain tensioner shoe. Refer to Primary Camshaft Drive Chain Tensioner Shoe Replacement .
  2. Remove the camshaft position sensor. Refer to CRANKSHAFT POSITION SENSOR in Engine Controls -3.5L.

    Important:  Do not allow the primary camshaft drive chain to fall into the crankcase.

  3. Remove the primary camshaft drive chain from the following:
    • The crankshaft sprocket.
    • The right intake sprocket.
    • The left intake sprocket.
  4. Remove the primary camshaft drive chain from the front cover area.
    Fig 1: Removing Primary Camshaft Drive Chain
    G01816843Courtesy of GENERAL MOTORS CORP.
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