LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2018 >> Spark ACTIV, Automatic CVT Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 1.0L (L5Q) Or 1.4L (LV7) - Repair Instructions - On Vehicle >> Repair Instructions - On Vehicle >> Camshaft Position Actuator Replacement >> Removal Procedure

Removal Procedure

  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement .
  2. GM3682494Courtesy 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 (1, 2) line up. Rotate at the crankshaft balancer bolt (3).

  3. GM3689061Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The actuator marks stands at 12 O'clock, if the cylinder 1 are on top dead center.

    Check camshaft position actuator marks.

  4. Remove the timing chain upper guide. Refer to Timing Chain Upper Guide Replacement .
  5. GM4121386Courtesy of GENERAL MOTORS COMPANY

    Install the EN 51632  camshaft locking tool (1).

  6. Mark the position of the timing chain to camshaft gear.
  7. Loosen the exhaust camshaft position actuator bolt (2).
  8. Loosen the intake camshaft position actuator bolt (3).
  9. GM4243438Courtesy of GENERAL MOTORS COMPANY

    Install the EN-51691-1  timing chain retainer (1) to the exhaust side camshaft timing chain (3) and hand tighten the bolt.

  10. Loosely install the EN-51691-2  retainer (2) to the intake side camshaft timing chain (3).
  11. Hand tighten the thumb wheels (4, 5) securely.
    12. CAUTION:

    Refer to Fastener Caution .

  12. Tighten the exhaust side timing chain retainer bolt (6) to 5 N.m (44 lb in).
  13. Remove the EN 51632  camshaft locking tool.
  14. GM4121415Courtesy of GENERAL MOTORS COMPANY

    Install a suitable wrench (1) to the intake camshaft.

  15. Rotate the wrench clockwise to put some pressure on the timing chain tensioner.
    16. NOTE:

    Hold the wrench so that the pressure of the timing chain tensioner can release slowly.

  16. Hold the wrench 20 - 30 seconds.
  17. GM4243432Courtesy of GENERAL MOTORS COMPANY

    Fix the EN-51397-2  retainer (1) to the intake side of the camshaft timing chain.

  18. Tighten the bolt (2) of the EN-51397-2  retainer to 5 N.m (44 lb in).
  19. Remove the wrench.
  20. GM3936522Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The timing chain can be moved up and down between both camshaft position actuators.

    Ensure that enough chain slack is gained between the camshaft position actuators.

  21. If not enough slack is gained between the camshaft position actuators, remove the tension of the timing chain tensioner. Refer to Camshaft Timing Chain Adjustment .
  22. GM3689069Courtesy of GENERAL MOTORS COMPANY

    Remove the intake camshaft position actuator bolt (1).

    23. NOTE:

    The camshaft timing chain will be held by the EN 51691  retainer.

  23. Remove the intake camshaft position actuator (2).
  24. GM3689070Courtesy of GENERAL MOTORS COMPANY

    Remove the exhaust camshaft position actuator bolt (1).

    25. NOTE:

    The camshaft timing chain will be held by the EN 51691  retainer.

  25. Remove the exhaust camshaft position actuator (2).
scientia non olet · About LEMON Manuals