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Home >> Chevrolet >> 2000 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1155 (Engine Mechanical (Repair Instructions 1 Of 5) - 3.6L (Ly7)) >> Repair Instructions (On-Vehicle Part 1) >> Primary Camshaft Drive Chain and Sprockets Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. 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 in Engine Controls - 3.6L (LY7).
  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 Camshaft Drive Chain Tensioner Removal - Right .
  4. Remove the right bank secondary camshaft drive chain shoe. Refer to Secondary Camshaft Drive Chain Shoe Removal - Right .
  5. Remove the right bank secondary camshaft drive chain guide. Refer to Secondary Camshaft Drive Chain Guide Removal - Right .
  6. Remove the right bank secondary camshaft drive chain. Refer to Secondary Camshaft Drive Chain Removal - Right .
  7. Remove the primary camshaft drive chain tensioner. Refer to Primary Camshaft Drive Chain Tensioner Removal .
  8. Remove the primary camshaft drive chain upper guide. Primary Camshaft Drive Chain Guide Removal - Upper .
    9. Fig 1: View Of Primary Camshaft Timing Chain
    GM902843Courtesy of GENERAL MOTORS CORP.
  9. Remove the primary camshaft timing chain. Refer to Secondary Camshaft Drive Chain Removal - Right .
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