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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 1.8L (LKN)) >> Repair Instructions - On Vehicle >> Camshaft Timing Chain Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different variant/trim than selected.
  1. 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).
    Fig 1: Crankshaft Balancer Alignment Marks
    GM3213250Courtesy of GENERAL MOTORS COMPANY
  2. Install the EN-51148  holding tool (1) to camshafts and to the cylinder head.
    Fig 2: Identifying Camshaft Holding Tool Bolts
    GM2968105Courtesy of GENERAL MOTORS COMPANY
    NOTE: If EN-51148  holding tool does not fit properly, rotate the crankshaft and additional 360 degrees.
    1. Tighten the bolt (3) in the middle.
    2. Tighten the 2 outer bolts (2, 4).
  3. If the EN-51148  holding tool can not be installed, then refer to Camshaft Timing Chain Adjustment .
  4. Check the markings (2) and (3). If the markings not in line then refer to Camshaft Timing Chain Adjustment 
    Fig 3: Crankshaft Balancer Alignment Marks
    GM3213250Courtesy of GENERAL MOTORS COMPANY
  5. Loosen the middle bolt (3) and the 2 outer bolts (2, 4) and remove the EN-51148  holding tool (1).
    Fig 4: Identifying Camshaft Holding Tool Bolts
    GM2968105Courtesy of GENERAL MOTORS COMPANY
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