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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 >> Installation Procedure

Installation Procedure

  1. Fig 1: Identifying Actuator Timing Marks And Crankshaft Sprocket Keyway At 12 O'clock Position
    GM4036240Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the actuator timing marks and the crankshaft sprocket keyway are at the 12 O'Clock position.

    NOTE:

    Ensure the correct timing link is aligned with the timing mark. The color of the actuator timing links are the same, and the color of the crankshaft sprocket timing link is unique.

    Align the first timing chain link with the intake actuator timing mark.

  2. Align the second timing chain link with the exhaust actuator timing mark.
  3. Align the final timing chain link with the crankshaft sprocket timing mark.
  4. Fig 2: Identifying Timing Chain Tensioner Shoe, Timing Chain Guides And Bolts
    GM4036233Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Install the timing chain tensioner shoe (2), install the timing chain shoe bolt (1) and tighten to 25 N.m (18 lb ft).

  5. Install the timing chain guide - exhaust side (4), install the 3 timing chain guide - exhaust side bolts (3) and tighten to 10 N.m (89 lb in)
  6. Install the timing chain upper guide - cylinder side (6), install the 2 timing chain upper guide - cylinder side bolts (5) and tighten to 10 N.m (89 lb in).
  7. GM4036231Courtesy of GENERAL MOTORS COMPANY

    Install the timing chain tensioner (2) with gasket (3). And tighten the timing chain tensioner retaining bolts (1) to 25 N.m (18 lb ft).

  8. GM4036229Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-49073  timing chain tensioner pin (1) from the timing chain tensioner (2).

  9. Install the engine front cover. Refer to Engine Front Cover Replacement (L5Q) .
  10. GM4217675Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-51632  camshaft locking tool (1).

  11. Install the camshaft cover. Refer to Camshaft Cover Replacement .