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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 Timing Chain Replacement (LV7) >> Installation Procedure

Installation Procedure

  1. GM3977678Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the actuator timing marks are approximately the 12 O'clock position.

    Install the timing chain (1).

  2. Fig 1: Identifying Timing Chain Colored Links
    GM3977683Courtesy of GENERAL MOTORS COMPANY

    Ensure that the colored link (3) matches to the arrow on the crankshaft sprocket.

  3. Ensure that the colored links (1, 2) match to the marks on the camshaft position adjuster actuators.
  4. GM3689090Courtesy of GENERAL MOTORS COMPANY

    Install a NEW gasket (2).

  5. Install the timing chain tensioner (1).
  6. CAUTION:

    Refer to Fastener Caution .

  7. Install the 2 timing chain tensioner bolt (4) and tighten to 25 N.m (18 lb ft).
  8. Remove the suitable tool (3) from the timing chain tensioner.
  9. GM3977663Courtesy of GENERAL MOTORS COMPANY

    Install the timing chain tensioner shoe (2).

  10. Install the timing chain tensioner shoe bolt (1) and tighten to 25 N.m (18 lb ft).
  11. GM4230624Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-51632  holder (1).

  12. Install the timing chain upper guide. Refer to Timing Chain Upper Guide Replacement .
  13. Check the position of the crankshaft, camshaft and camshaft position actuator adjuster.
    1. Install the engine front cover with 4 bolts and the crankshaft balancer.
    2. GM3682494Courtesy of GENERAL MOTORS COMPANY

      Turn crankshaft 720 degrees in the direction of engine rotation by the crankshaft balancer bolt (2).

  14. GM4230624Courtesy of GENERAL MOTORS COMPANY

    Install the EN-51632  holder (1).

  15. If the EN-51632  holder (1) can be installed, the engine timing is properly adjusted.
  16. Remove the EN-51632  holder (1).
  17. Remove the engine front cover and crankshaft balancer.
  18. Install the engine front cover. Refer to Engine Front Cover Replacement (LV7) .
  19. Install the camshaft cover. Refer to Camshaft Cover Replacement (LV7) .