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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Mechanical - 1.8L (LKN)) >> Repair Instructions - On Vehicle >> Camshaft Timing Chain Replacement >> Removal Procedure

Removal Procedure

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  1. Engine Front Cover Replacement - Lower  - Remove
  2. GM2966471Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The re-install of the lower engine front cover and of the crankshaft balancer absorber is necessary to set the crankshaft to TDC.

    Re-install the lower engine front cover (1) to the engine block without sealing.

  3. GM3216230Courtesy of GENERAL MOTORS COMPANY

    Install 4 engine front lower cover bolts (1) hand tighten.

  4. GM2968028Courtesy of GENERAL MOTORS COMPANY

    Temporarily install the crankshaft balancer absorber (2) and the crankshaft balancer bolt (1).

  5. GM3213250Courtesy of GENERAL MOTORS COMPANY

    Adjust the engine to cylinder 1 top dead center (TDC) of combustion stroke. Set crankshaft in direction of engine rotation until the markings (2, 3) line up. Rotate at the crankshaft balancer absorber bolt (1).

  6. Timing Chain Upper Guide Replacement  - Remove
  7. GM2968105Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If EN-51148  holding tool does not fit properly, rotate the crankshaft and additional 360 degrees.

    Install the EN-51148  holding tool (1) to camshafts and to the cylinder head.

    1. Tighten the bolt (3) in the middle.
    2. Tighten the 2 outer bolts (2, 4).
  8. Remove the lower engine front cover and the crankshaft balancer again.
  9. GM3213251Courtesy of GENERAL MOTORS COMPANY

    Check the position of the crankshaft. The crankshaft must be set to TDC, the arrow (1) on the crankshaft sprocket and the arrow (2) on the oil pump must align.

  10. If the arrows (1, 2) do not align, install the lower engine front cover with 4 bolts and the crankshaft balancer absorber. Set the engine to TDC, refer to step 5.
  11. GM2968108Courtesy of GENERAL MOTORS COMPANY

    Push the timing chain guide - right side (2) in the direction of the arrow.

  12. Fix the tensioner (1) using a 2mm drill bit or equivalent (3).
  13. GM2968109Courtesy of GENERAL MOTORS COMPANY

    Remove the 2 timing chain tensioner bolts (2).

  14. Remove the timing chain tensioner (1).
  15. GM3547237Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the location of the timing chain marks.

    Remove the timing chain (1) along with the crankshaft sprocket (2).

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