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Chevrolet Sonic Repair Manual: Camshaft Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Valvetrain / Camshaft / 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.

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

    3. Caution:

    Refer to Fastener Caution.

  3. 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)

    .



    4. Note:

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

  4. Install the exhaust camshaft (1).

    5. Note:

    Note the identification marking on the camshaft bearing cover.

  5. Install the 4 exhaust camshaft bearing cover number 6-9.
  6. 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)

    .



    7. Note:

    Sealing surfaces must be free from oil and grease.

  7. 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.
  8. Apply surface sealant to sealing surfaces of the first camshaft bearing cap thinly and evenly.
  9. Position the first camshaft bearing cap on the cylinder block and tighten the bolts approximately to 2 Y (18 lb in)

    .



    10. Note:

    No sealant may reach the camshafts.

  10. Install the first camshaft bearing cap.

    11. Note:

    Note installation sequence 1-4.

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

    .



  12. Install 2 NEW sealing rings to the camshafts.
  13. Tighten the seal ring with EN-422 installer  (3) on the camshaft until this is in contact with the cylinder head.
  14. To install, use camshaft sprocket bolt (1) in conjunction with shims (2) with a total thickness of approximately 10 mm.
  15. 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:

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the %CHANGE message on the DIC when it is necessary to change the engine oil and filter. Remember, the oil life display must be reset after each oil change. It will not reset itself. Resetting the Oil Li ...

Instrument Panel Tie Bar Replacement
Removal Procedure Remove the Instrument panel assembly. Refer to Instrument Panel Assembly Replacement. Remove the steering column and wheel from the vehicle. Refer to Steering Column Replacement. Remove the air inlet grill panel. Refer to Air Inlet Grille Panel Replacem ...

Intake Manifold Disassemble
Remove the fuel injection rail ground cable nut (1). Remove the 2 fuel injection rail bolts (2). Remove the fuel injection fuel rail assembly (3). Remove the intake manifold gasket (4). Remove the 2 manifold absolute pressure sensor bolts ...

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