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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Water Pump and Balance Shaft Chain Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the camshaft timing chain, sprocket, and tensioner. Refer to Camshaft Timing Chain, Sprocket, and Tensioner Replacement .
    2. Fig 1: Balance Shaft Drive Chain Tensioner
    GM1578301Courtesy of GENERAL MOTORS COMPANY
  2. Remove the adjustable balance shaft chain guide bolt and guide
    3. Fig 2: Small Balance Shaft Drive Chain Guide
    GM1578302Courtesy of GENERAL MOTORS COMPANY
  3. Remove the small balance shaft drive chain guide bolts and guide.
    4. Fig 3: Upper Balance Shaft Drive Chain Guide
    GM1578304Courtesy of GENERAL MOTORS COMPANY
  4. Remove the upper balance shaft drive chain guide bolts and guide.
    5. Fig 4: Balance Shaft Drive Chain
    GM1578305Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It may ease removal of the balance shaft drive chain to get all the slack in the chain between the crankshaft and water pump sprockets.

  5. Remove the balance shaft drive chain (7).
  6. Remove the balance shaft drive sprocket.
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