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Home >> GMC >> 2005 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Engine Mechanical - 3.6L (Ly7) (2 Of 6)) >> On-Vehicle Repair Instructions - Part 1 >> Primary Camshaft Drive Chain Tensionser Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Primary Camshaft Drive Chain Tensioners
    GM902847Courtesy of GENERAL MOTORS CORP.
  1. Remove the spark plugs in order to ease crankshaft/engine rotation. Refer to Spark Plug Replacement in Engine Controls - 3.6L (LY7).
  2. Remove the engine front cover. Refer to Engine Front Cover Replacement .
    3. IMPORTANT: If the entire camshaft timing system is not in Stage 2 (Camshaft Timing Drive Chain Alignment Diagram (With Primary Roller Chain) or Camshaft Timing Drive Chain Alignment Diagram (W/Primary (IT) Inverted Tooth Chain) ), mark the timing chain and sprockets in order to ensure proper reassembly.
  3. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensionser Removal .
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