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:

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise may be heard. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline with a higher ...

Dolly Towing from the Front
The vehicle can be towed from the front using a dolly. To tow the vehicle using a dolly, follow these steps: 1. Attach the dolly to the tow vehicle following the dolly manufacturer's instructions. 2. Drive the front wheels onto the dolly. 3. Put an automatic transmission in P (Park) or a ...

Airbag Steering Wheel Module Coil Centering
Note: If a double wire harness strap is installed onto the wire harness assembly and steering column, the original holder for the wire strap(s) MUST be reused during installation. Remove the wire harness strap(s) where necessary. Caution: The new SIR coil assembly will ...

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