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.

Install the intake camshaft (1).

Note:

Note the identification marking on the camshaft bearing cover.

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

Caution:

Refer to Fastener Caution.

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)
.

Note:

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

Install the exhaust camshaft (1).

Note:

Note the identification marking on the camshaft bearing cover.

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

Note:

Sealing surfaces must be free from oil and grease.

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

Note:

No sealant may reach the camshafts.

Install the first camshaft bearing cap.

Note:

Note installation sequence 1-4.

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

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

Master Cylinder Bench Bleeding
Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Secure the mounting flange of the brake master cylinder in a bench vice so that the rear of the primary piston is accessible. Remov ...

Evaporative Emission System Hose/Pipe Replacement
Special Tools CH-807 Closure Plugs CH-6015 Closure Plugs For equivalent regional tools, refer to Special Tools. Removal Procedure Warning: Refer to Gasoline/Gasoline Vapors Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnec ...

Main Shaft Assemble (Gen 1)
Special Tools 3-0207944 Main Shaft Tapered Bearing Insert Tool For equivalent regional tools, refer to Special Tools. Install the 4th gear bearing assembly (1). Note: The 3rd gear blocking ring lugs must be aligned with the 3rd/4th gear synchronizer assembly groov ...

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