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Home >> Chevrolet >> 2014 >> Malibu LS >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.0L (LTG) Or 2.5L (LKW) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Timing Chain Crankshaft Sprocket Replacement >> Removal Procedure

Removal Procedure

  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement (LTG) , Camshaft Cover Replacement (LKW) .
  2. Remove the timing chain. Refer to Camshaft Timing Chain and Tensioner Replacement .
    3. Fig 1: Balancer Chain Tensioner Bolt
    GM2742550Courtesy of GENERAL MOTORS COMPANY
  3. Remove the balancer chain tensioner bolt (1).
  4. Remove the balancer chain tensioner (2).
  5. Compress and lock the tensioner using EN-50837  retention tool.
    1. Insert EN-50837  retention tool into the lever arm and push in a counterclockwise direction.
    2. Compress the tensioner while holding lever arm.
    3. Relax the force on the lever and tensioner slightly, allowing the tensioner to extend 3 ratchet clicks, and then hold in place.
    4. Pull lever clockwise using EN-50837  retention tool until the hole in the lever aligns with the hole in the tensioner assembly. Push the point of EN-50837  retention tool through the lever and into the tensioner assembly.
    6. Fig 2: Balancer Chain Guide Bolt
    GM2742552Courtesy of GENERAL MOTORS COMPANY
  6. Remove the balancer chain guide bolt (1).
  7. Remove the balancer chain guide (2).
    8. Fig 3: Balancer Shaft Driven Sprocket Bolt
    GM2742553Courtesy of GENERAL MOTORS COMPANY
  8. Remove and discard the balancer shaft driven sprocket bolt (1).
    9. Fig 4: Balancer Shaft Driven Sprocket And Balancer Chain
    GM2742555Courtesy of GENERAL MOTORS COMPANY
  9. Remove the crankshaft sprocket, balancer shaft driven sprocket, and balancer chain (1) simultaneously.
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