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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1929 (Engine Mechanical - 3.6L (2 Of 6)) >> Repair Instructions - On Vehicle (1 Of 2) >> Timing Chain Idler Sprocket Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the spark plugs in order to ease crankshaft/engine rotation. Refer to Spark Plug Replacement .
    2. Fig 1: View Of Left Camshaft Intermediate Drive Chain Idler
    GM946216Courtesy of GENERAL MOTORS CORP.
  2. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  3. Remove the right bank secondary camshaft drive chain tensioner. Refer to Secondary Timing Chain Tensioner Removal - Right Side .
  4. Remove the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Removal - Right Side .
  5. Remove the right bank secondary camshaft drive chain guide. Refer to Secondary Timing Chain Guide Removal - Right Side .
  6. Remove the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Removal - Right Side .
  7. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Intermediate Drive Chain Tensioner Removal .
  8. Remove the primary upper camshaft drive chain guide. Refer to Primary Timing Chain Guide Removal - Upper .
  9. Remove the primary camshaft drive chain. Refer to Primary Camshaft Intermediate Drive Chain Removal .
  10. Remove the right bank camshaft intermediate drive chain idler. Refer to Timing Chain Idler Sprocket Removal - Right Side .
    11. Fig 2: View Of Right And Left Camshaft Intermediate Drive Chain Idlers
    GM946212Courtesy of GENERAL MOTORS CORP.
  11. If you are servicing the left bank camshaft intermediate drive chain idler, perform the following steps:
    1. Remove the left bank secondary camshaft drive chain tensioner. Refer to Secondary Timing Chain Tensioner Removal - Left Side .
    2. Remove the left bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Removal - Left Side .
    3. Remove the left bank secondary camshaft drive chain guide. Refer to Secondary Timing Chain Guide Removal - Left Side .
    4. Remove the left bank secondary camshaft drive chain. Refer to Secondary Camshaft Intermediate Drive Chain Removal - Left Side .
    5. Remove the left bank camshaft intermediate drive chain idler. Refer to Timing Chain Idler Sprocket Removal - Left Side .
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