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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1352 (Engine Mechanical - 1.8L (LV6)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Timing Chain Tensioner Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Engine Cover
    GM621681Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  1. Disconnect the negative battery cable.
  2. Remove the 2 engine cover fasteners.
  3. Remove the 2 engine cover plastic retainers.
  4. Remove the engine cover (1) from the engine.
    5. Fig 2: Identifying Ignition Coils
    GM621682Courtesy of GENERAL MOTORS CORP.
  5. Remove the ignition coils (1, 2, 3, 4).
    6. Fig 3: Removing/Installing Spark Plugs
    GM244188Courtesy of GENERAL MOTORS CORP.
  6. Remove the spark plugs.
    7. Fig 4: Engine Top Dead Center
    GM234138Courtesy of GENERAL MOTORS CORP.
  7. Rotate the engine to top dead center on the number one cylinder.
    8. Fig 5: Timing Chain Tensioner Bolts
    GM234178Courtesy of GENERAL MOTORS CORP.
  8. Remove the two timing chain tensioner bolts (1, 2).
  9. Remove the timing chain tensioner.
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