Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Camshaft Timing Chain Inspection

Chevrolet Sonic Repair Manual / Powertrain / Engine / Valvetrain / Valvetrain Timing / Camshaft Timing Chain Inspection

Special Tools

For equivalent regional tools, refer to Special Tools.

  1. Remove the ignition coil. Refer to Ignition Coil Replacement.
  2. Remove the camshaft cover. Refer to Camshaft Cover Replacement.


  3. Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement
  4. Rotate the engine clockwise until the bore (2) in the crankshaft balancer aligns with the mark (1) on the engine front cover.

  5. Examine that the camshaft grooves (1) are visible as shown. If the camshaft grooves are not visible rotate the crankshaft 360°.

  6. Remove the crankshaft bearing cap tie plate hole plug (2) and the seal ring (1).

  7. 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. Note:

    The fixing tool should be installed completely to both camshaft grooves without high effort.

  10. Install EN-953-A fixing tool  (1) to the camshafts.


  11. 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 (4).

  12. Install EN-49977-100 transmitter disc fixation  (1) to inspect the correct position of the camshaft position exciter wheels.
  13. Tighten the bolts (2) of EN-49977-100 transmitter disc fixation .
  14. If EN-953-A fixing tool or EN-49977-100 transmitter disc fixation can not be installed, refer to Camshaft Timing Chain Adjustment.
  15. Remove EN-49977-100 transmitter disc fixation .
  16. Remove EN-953-A fixing tool .
  17. Remove EN-952 fixing pin .
  18. Caution:

    Refer to Fastener Caution.

  19. Install crankshaft bearing cap tie plate hole plug and seal ring and tighten to 40 Y (30 lb ft)

    .

  20. Install the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement
  21. Install the camshaft cover. Refer to Camshaft Cover Installation.
  22. Install the ignition coil. Refer to Ignition Coil Installation.
Camshaft Timing Chain Adjustment
Special Tools EN-952 Fixing Pin EN-953–A Fixing Tool EN-49977?E00 Fixation Sensor Discs For equivalent regional tools, refer to Special Tools. Remove the ignition coil. Refer to Ign ...

Camshaft Timing Chain Installation
Special Tools EN-952 Fixing Pin EN-953-A Fixing Tool EN-955-10 Fixing Pin from EN-955 Kit For equivalent regional tools, refer to Special Tools. The engine should be adjusted to TDC. ...

Other materials:

ABS Description and Operation
This vehicle is equipped with the MGH 60 Mando electronic stability control antilock brake system. The electronic brake control module and the brake pressure modulator are serviced separately. The brake pressure modulator uses a four circuit configuration to control hydraulic press ...

Engine Support Fixture
2- Engine Support Fixture Callout Component Name Preliminary Procedure Remove the radiator opening upper cover. Refer to Front Opening Upper Cover Replacement Special Tools EN-28467-300 Engine Support Fixture Adapter ...

Fuel Tank Filler Door Replacement
Fuel Tank Filler Door Replacement Callout Component Name 1 Fuel Tank Filler Door Procedure Position the fuel tank filler door to the full open position. Using light outward sliding pressure on the filler door, ...

© 2014-2026 Copyright www.csmans.com
 
0.0061