LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Verano Leather >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 2.0L (LHU)) >> Repair Instructions - On Vehicle >> Camshaft Timing Chain, Sprocket, and Tensioner Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Timing Chain, Crankshaft Sprocket & Key
    GM2583744Courtesy of GENERAL MOTORS COMPANY
  1. Install the timing chain (1).
    2. NOTE:

    Ensure that the crankshaft sprocket (3) fits into the crankshaft key (2).

  2. Install the crankshaft sprocket (3) to the crankshaft.
    3. Fig 2: Camshaft Adjustment Positions
    GM2557105Courtesy of GENERAL MOTORS COMPANY
  3. Set the exhaust camshaft to the position shown (1).
  4. Set the intake camshaft to the position shown (2).
  5. Ensure the crankshaft is still adjusted to top dead center (TDC) of the combustion stroke of the cylinder 1, correct if necessary.
    6. Fig 3: Identifying Timing Mark
    GM2557100Courtesy of GENERAL MOTORS COMPANY
  6. Route the timing chain around the crankshaft sprocket and line up the first matching colored link with the timing mark on the crankshaft sprocket, in approximately the 5 o'clock position (1).
    7. Fig 4: Timing Chain & Bar
    GM2557106Courtesy of GENERAL MOTORS COMPANY
  7. Ensure that the bar (2) is in center of the timing chain (1) routing.
    8. Fig 5: Camshaft Actuator Mark
    GM2557099Courtesy of GENERAL MOTORS COMPANY
  8. Install the intake camshaft actuator to the camshaft while also installing the actuator at the timing chain. Ensure that the colored link is at the mark on the camshaft actuator (1).
    9. Fig 6: Open Ended Wrench & Actuator Bolt
    GM2557103Courtesy of GENERAL MOTORS COMPANY
  9. Rotate the intake camshaft with an open ended wrench (1) to install the camshaft exhaust actuator on the marked points.
    10. Fig 7: Camshaft Intake Actuator & Bolt
    GM2557044Courtesy of GENERAL MOTORS COMPANY
  10. Install the NEW intake camshaft actuator bolt (1) to the intake camshaft actuator (2) and hand tighten.
  11. Install the timing chain guide. Refer to Timing Chain Guide Replacement .
  12. Install the adjustable timing chain guide. Refer to Adjustable Timing Chain Guide Replacement .
    13. Fig 8: Mark On Timing Chain
    GM2557101Courtesy of GENERAL MOTORS COMPANY
  13. Install the exhaust camshaft actuator to the camshaft while also installing the actuator to the timing chain. Ensure that the colored link is at the mark on the camshaft actuator (1).
    14. Fig 9: Open Ended Wrench & Actuator Bolt
    GM2557103Courtesy of GENERAL MOTORS COMPANY
  14. Rotate the exhaust camshaft with an open ended wrench (1) to install the camshaft exhaust actuator on the marked points.
    15. Fig 10: Camshaft Position Exhaust Actuator & Bolt
    GM2557046Courtesy of GENERAL MOTORS COMPANY
  15. Install the NEW exhaust camshaft actuator bolt (1) to the exhaust camshaft actuator (2) and hand tighten.
  16. Install the timing chain oil nozzle. Refer to Timing Chain Oil Nozzle Replacement .
    17. Fig 11: Locating Timing Chain Marks
    GM2557102Courtesy of GENERAL MOTORS COMPANY
  17. Ensure again that the marks are on the points as shown (1).
    18. Fig 12: Crankshaft Locking Tool
    GM2557049Courtesy of GENERAL MOTORS COMPANY
  18. Install the EN-48953  locking tool (1) to the camshafts.
  19. Install the EN-48953  locking tool bolts an tighten to 10 N.m (89 lb in).
    20. CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  20. Tighten the exhaust camshaft actuator bolt a first pass to 30 N.m (22 lb ft).
  21. Tighten the exhaust camshaft actuator bolt a final pass to an additional 100 degrees, using the EN-45059  meter.
    22. CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  22. Tighten the intake camshaft actuator bolt a first pass to 30 N.m (22 lb ft).
  23. Tighten the intake camshaft actuator bolt a final pass to an additional 100 degrees, using the EN-45059  meter.
  24. Remove the EN-48953  locking tool.
  25. Rotate the crankshaft clockwise at the crankshaft balancer bolt to 720 degrees and ensure that the marks are still fit. If the marks are not fit repeat complete repair procedure.
  26. Install the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  27. Install the upper timing chain guide. Refer to Timing Chain Upper Guide Replacement .
  28. Install the 4 spark plugs. Refer to Spark Plug Replacement .
  29. Install the camshaft cover. Refer to Camshaft Cover Replacement .
scientia non olet · About LEMON Manuals