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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 >> Camshaft Position Actuator and Camshaft Replacement - Exhaust (LKW) >> Removal Procedure

Removal Procedure

    NOTE:

    Ensure the engine is properly timed to Top Dead Center (TDC), prior to performing repairs.

  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement (LKW) .
    2. Fig 1: Timing Chain Holding Tool
    GM3345153Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Ensure the EN-50656  holding tool is installed and securely tightened to prevent the camshaft chain from dropping into the front engine cover during camshaft actuator replacement.

  2. Install EN-50656  timing chain holding tool (1) and tighten to 8 (71 lb in).
    3. Fig 2: Camshaft Actuator Bolt
    GM3345158Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Ensure to mark actuator sprocket and chain before removal of the actuator bolt.
    • Install an open-end wrench to the camshaft flats located on the exhaust camshaft.
  3. Remove and DISCARD the camshaft actuator bolt (1).
    4. Fig 3: Upper Timing Chain Guide Bolts
    GM2882182Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Locate and use pry points to aid in removing the cap.
    • When using the pry points to remove the front bearing cap, use a protective material between the camshaft lobes, the cylinder head flange, and pry tool.
    • Use 2 pry tools simultaneously to pry the upper front bearing cap away from the lower bearing cap evenly.
  4. Remove the upper timing chain guide bolts (1, 2).
  5. Remove the upper timing chain guide (3).
  6. Remove the camshaft front bearing cap bolts (4).
  7. Remove the camshaft front bearing cap (5).
    8. Fig 4: Camshaft Bearing Caps & Bolts
    GM3345529Courtesy of GENERAL MOTORS COMPANY
  8. Remove camshaft bearing cap bolts (1).
  9. Remove the camshaft bearing caps (2).
    10. Fig 5: Exhaust Camshaft Actuator Assembly
    GM3345176Courtesy of GENERAL MOTORS COMPANY
  10. Pull exhaust camshaft actuator assembly forward away from camshaft assembly (1), then lift rear of exhaust camshaft assembly to a tilt and pull free from exhaust camshaft actuator assembly (2).
    11. NOTE:

    If replacing the camshaft, ensure to transfer any marking from the old camshaft to the new one.

  11. Replace the camshaft if necessary.
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