LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2012 >> Cruze LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Engine Mechanical - 1.4L (LDD, LDU, LUH, Or LUJ) - Repair Instructions - Off Vehicle (1 Of 2)) >> Camshaft Timing Chain Adjustment

Camshaft Timing Chain Adjustment

WARNING: This page is about a different car, the 2011 Chevrolet Cruze. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

For equivalent regional tools, refer to Special Tools .

  1. Remove the ignition coil. Refer to Ignition Coil Removal .
  2. Remove the camshaft cover. Refer to Camshaft Cover Removal .
  3. Remove the camshaft position actuator solenoid valves. Refer to Camshaft Position Actuator Solenoid Valve Removal .
  4. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement .
  5. Remove the front compartment insulator. Refer to Front Compartment Insulator Replacement .
    6. Fig 1: Bore And Mark
    GM2190614Courtesy of GENERAL MOTORS CORP.
  6. Set the crankshaft balancer in the direction of the engine rotation to "1st cylinder TDC", for this rotate the engine clockwise until the bore (2) in the crankshaft balancer aligns with the mark (1) on the engine front cover.
    7. Fig 2: Crankshaft Bearing Cap Tie Plate Hole Plug And Seal Ring
    GM2190611Courtesy of GENERAL MOTORS CORP.
  7. Remove the crankshaft bearing cap tie plate hole plug (2) and the seal ring (1).
    8. Fig 3: Fixing Pin
    GM2190612Courtesy of GENERAL MOTORS CORP.
    CAUTION: To ensure proper crankshaft top dead center (TDC) alignment, the retention pin should fit easily through the bore in the crankshaft tie plate and into the crankshaft. Binding of the retention pin could affect proper engine timing.
  8. Install EN-952:  fixing pin (1) to hold the crankshaft in TDC position.
    9. Fig 4: Intake Camshaft Sprocket Bolt And Wrench
    GM2191148Courtesy of GENERAL MOTORS CORP.
  9. Loosen the intake camshaft sprocket bolt (2) while holding the hexagon of the intake camshaft with a wrench (1) until the camshaft position exciter wheel is clearly rotatable.
  10. Loosen the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft with a wrench until the camshaft position exciter wheel is clearly rotatable.
    11. Fig 5: Fixing Tool
    GM2190610Courtesy of GENERAL MOTORS CORP.
    NOTE: The fixing tool should be installed completely to both camshaft grooves without high effort.
  11. Adjust the camshafts so that the EN-953-A:  fixing tool (1) can be installed.
    12. Fig 6: Upper Timing Chain Guide And Bolts
    GM2190676Courtesy of GENERAL MOTORS CORP.
  12. Remove 2 upper timing chain guide bolts (1).
  13. Remove upper timing chain guide (2).
    14. Fig 7: Intake Camshaft Sprocket Gearing And Special Tool
    GM2190710Courtesy of GENERAL MOTORS CORP.
    NOTE: Push the fixing tool in the direction of the arrow to ensure it engages without clearance.
  14. Install the EN-49977-200:  fixing tool (2) and adjust the gearing of the fixing tool so it engages with the intake camshaft sprocket gearing (1).
    15. Fig 8: Adjuster Bolt And Fastening Bolts
    GM2190712Courtesy of GENERAL MOTORS CORP.
  15. Tighten the 2 fastening bolts (1) of EN-49977-200:  fixing tool while pushing the fixing tool in direction of the arrow.
  16. Tighten the adjuster bolt (2).
    17. Fig 9: Fastening Bolts And Fixation
    GM2190709Courtesy of GENERAL MOTORS CORP.
    NOTE: A wrong installation position is possible. Make sure that the fixation tool is installed without clearance to the cylinder head in areas (3) and (5).
  17. Install EN-49977-100:  fixation (2) to find and hold the camshaft position exciter wheels in the correct position.
  18. Tighten the 2 fastening bolts (6) of EN-49977-100:  fixation.
    19. CAUTION: Refer to Fastener Caution .
  19. Tighten the intake camshaft sprocket bolt (4) while holding the hexagon (1) of the intake camshaft a first pass to 50 N.m (37 lb ft).
  20. Tighten the intake camshaft sprocket bolt (4) while holding the hexagon (1) of the intake camshaft a final pass to an additional 60 degrees, using the EN-45059 meter.
  21. Tighten the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft a first pass to 50 N.m (37 lb ft).
  22. Tighten the exhaust camshaft sprocket bolt while holding the hexagon of the exhaust camshaft a final pass to an additional 60 degrees, using the EN-45059 meter.
    23. Fig 10: Positioning Camshaft Position Exciter Wheels
    G00579576Courtesy of GENERAL MOTORS COMPANY
  23. Check the correct position of the camshaft position exciter wheels (1).
    1. If the position of the camshaft position exciter wheels (1) differ from the graphic repeat the tightening procedure.
  24. Remove EN-49977-100:  fixation and EN-49977-200:  fixing tool.
    25. Fig 11: Upper Timing Chain Guide And Bolts
    GM2190676Courtesy of GENERAL MOTORS CORP.
  25. Install upper timing chain guide (2).
  26. Install the 2 upper timing chain guide bolts (1) and tighten to 8 N.m (71 lb in).
  27. Remove EN-953-A:  fixing tool.
  28. Remove EN-952:  fixing pin.
  29. Rotate the crankshaft for 720° and check the engine timing again. Repeat the adjustment procedure if necessary.
  30. Install crankshaft bearing cap tie plate hole plug and seal ring and tighten to 50 N.m (37 lb ft).
  31. Install the front compartment insulator. Refer to Front Compartment Insulator Replacement
  32. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement
  33. Install the camshaft position actuator solenoid valves. Refer to Camshaft Position Actuator Solenoid Valve Installation .
  34. Install the camshaft cover. Refer to Camshaft Cover Installation .
  35. Install the ignition coil. Refer to Ignition Coil Installation .
scientia non olet · About LEMON Manuals