Chevrolet Sonic manuals
 

Chevrolet Sonic Repair Manual: Camshaft Timing Chain Replacement

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

Special Tools

EN-955 Locking Pin

For equivalent regional tools. Refer to Special Tools.

Removal Procedure
  1. Remove the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement.


    2. Note:

    If EN-955 fixing pin can not be inserted, compress the timing chain tensioner further with the aid of a flat bladed tool to allow complete insertion of the pin.

  2. Push the timing chain (2) in direction to the timing chain tensioner (1) and install the EN-955 pin (3).


  3. Remove the two upper timing chain guide bolts (1).
  4. Remove the upper timing chain guide (2).

  5. Remove the two timing chain guide right side bolts (2).
  6. Remove the timing chain guide right side (1).
    7. ii0/
  7. Remove the timing chain tensioner shoe bolt (2).
  8. Remove the timing chain tensioner shoe (1).

  9. Remove the timing chain (1) and crankshaft sprocket (2) together as a unit.

  10. Remove the engine front cover gasket (1).
Installation Procedure
  1. Clean the engine front cover sealing surfaces on engine block and cylinder head.

  2. Apply a 2 mm (0.0787 in) bead of RTV sealant the areas shown above (1, 2).

  3. Install the engine front cover gasket (1).

  4. Install the two upper timing chain guide bolts (1) and tighten to 8 N•m (71 lb in).
  5. Install the upper timing chain guide (2).

  6. Install the timing chain (1) and crankshaft sprocket (2) together as a unit.
    7. ii0/
  7. Install the timing chain tensioner shoe (1).

    8. Caution:

    Refer to Fastener Caution.

  8. Install the timing chain tensioner shoe bolt (2) and tighten to 20 Y (15 lb ft)

    .



  9. Install the timing chain guide right side (1).
  10. Install the timing chain guide right side bolts (2) and tighten to 8 Y (71 lb in)

    .



  11. Push the timing chain (2) in direction of the timing chain tensioner (1) and remove EN-955 pin (3).
  12. Install the engine front cover. Refer to Engine Front Cover with Oil Pump Replacement.
Camshaft Timing Chain Removal
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. ...

Timing Belt Adjustment
Special Tools EN-652 Flywheel Holder EN-6333 Locking Pin EN-6340 Locking Tool EN-6628-A Locking Tool EN-45059 Torque Angle Sensor Kit For equivalent regional tool, refer to Special T ...

Other materials:

Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation. Check engine oil level and oil life percentage. If needed, change engine oil and filter, and reset oil life system. See Engine Oil  and Engine Oil Life System. Check engine coo ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system status light is next to the OnStar buttons. If the status light is: Solid Green: System is read ...

Windshield Replacement
Special Tools BO-24402-A Glass Sealant Remover (Cold Knife) BO-39032 Stationary Glass Removal Tool Use an adhesive that is approved by GM For equivalent regional tools, refer to Special Tools. Removal Procedure Open the hood. Remove the windshield wiper arms. Refer to Wi ...

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