Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Camshaft Installation

Special Tools

EN-422 Installer

For equivalent regional tools, refer to Special Tools.



    Note:

    Coat with MoS 2 lubricating paste. Refer to Adhesives, Fluids, Lubricants, and Sealers.

  1. Install the intake camshaft (1).
  2. Note:

    Note the identification marking on the camshaft bearing cover.

  3. Install the 4 intake camshaft bearing cover number 2-5.
  4. Caution:

    Refer to Fastener Caution.

  5. Install the 8 intake camshaft bearing cover bolts and tighten in a spiral from the inside to the outside to 8 Y (71 lb in)

    .



  6. Note:

    Coat with MoS 2 lubricating paste. Refer to Adhesives, Fluids, Lubricants, and Sealers.

  7. Install the exhaust camshaft (1).
  8. Note:

    Note the identification marking on the camshaft bearing cover.

  9. Install the 4 exhaust camshaft bearing cover number 6-9.
  10. Install the 8 exhaust camshaft bearing cover bolts and tighten in a spiral from the inside to the outside to 8 Y (71 lb in)

    .



  11. Note:

    Sealing surfaces must be free from oil and grease.

  12. Clean sealing surfaces of the first camshaft bearing support and the cylinder head with a suitable tool.

    Clean oil duct from any sealant residue.


    Note:

    • Sealing surfaces (arrows) must be free from oil and grease.
    • It is essential to ensure that no sealant is applied outside the marked sealing areas (1).
    • The grooves adjacent to the sealing surfaces must remain free from sealant.
  13. Apply surface sealant to sealing surfaces of the first camshaft bearing cap thinly and evenly.
  14. Position the first camshaft bearing cap on the cylinder block and tighten the bolts approximately to 2 Y (18 lb in)

    .



  15. Note:

    No sealant may reach the camshafts.

  16. Install the first camshaft bearing cap.
  17. Note:

    Note installation sequence 1-4.

  18. Install the first camshaft bearing cap (1) bolts and tighten to 8 Y (71 lb in)

    .



  19. Install 2 NEW sealing rings to the camshafts.
  20. Tighten the seal ring with EN-422 installer  (3) on the camshaft until this is in contact with the cylinder head.
  21. To install, use camshaft sprocket bolt (1) in conjunction with shims (2) with a total thickness of approximately 10 mm.
  22. Remove the EN-422 installer  (3).
Camshaft Cover Replacement
Camshaft Cover Replacement Callout Component Name Preliminary Procedures Remove the ignition coil. Refer to Ignition Coil Replaceme ...

Camshaft Intake and Exhaust Sprocket Replacement
Special Tools EN-955-A Locking Pin For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacemen ...

Other materials:

Immobilizer Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light turns off. If the light stays on and the engine does not start, there could be a problem with the i ...

Selecting the Alert Timing
The Collision Alert control is on the steering wheel. Press COLLISION ALERT to set the alert timing to far, medium, near or off. The first button press shows the current control setting on the DIC. Additional button presses will change this setting. The chosen setting will remain until it is ...

Clutch and Differential Housing Cleaning and Inspection
Warning: Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals. Clean the clutch housing (1) with a suitable solvent. Air dry all the parts. Inspect ...

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