Chevrolet Sonic Repair Manual: Camshaft Replacement

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

Special Tools

EN-422 Installer

For equivalent regional tools, refer to Special Tools.

Removal Procedure

Note:

Take extreme care to prevent any scratches, nicks or damage to the camshafts and caps bearing surfaces.

Remove the timing belt rear cover (1). Refer to Timing Belt Rear Cover Replacement.

Remove the camshaft position solenoid valve housing bolts (1) and housing (2).

Remove the camshaft cap bolts in sequence (1, 4, 2, 3).
Remove the camshaft caps.

Note:

Mark the camshafts upon removal to ensure installation is in the correct position.

Remove the exhaust camshaft (1) and intake camshaft (3) as necessary.

Note:

The camshaft seal MUST be replaced whenever the camshaft is removed.

Remove exhaust camshaft seal (2) and intake camshaft seal (4) as necessary.

Installation Procedure

Coat and lubricate the camshaft bearing and cam surfaces with clean engine oil.

Note:

It is essential to ensure that no sealant is applied outside the marked sealing areas.

Apply sealant to the surface (1) of the 1st camshaft bearing cap.

Install the exhaust camshaft (1) and intake camshaft (2) on the cylinder head.

Caution:

Refer to Fastener Caution.

Install the camshaft bearing caps in sequence (2, 3, 1, 4) Tighten the camshaft bearing cap bolts to 8 Y (71 lb in)
.

Install the camshaft position solenoid valve housing (2) and camshaft position solenoid valve housing bolts (1). Tighten the bolts to 8 Y (71 lb in)
.
Install the new camshaft oil seal rings using EN-422 installer .

Install the timing belt rear cover (1) and tighten the bolts (2) to 6 Y (53 lb in)
. Refer to Timing Belt Rear Cover Replacement.

Camshaft Removal

Note: Note removal sequence 1?E. Remove the 4 camshaft bearing cap bolts. Note: Release the bearing support by striking it gently with a plastic hammer. ...

Exhaust Camshaft Installation

Note: Mind the markings on the camshaft bearing caps. Camshaft bearing caps should be installed in their original position. Lubricate camshaft and camshaft bearing caps with eng ...

Other materials:

Wheels and Trim—Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels. After rinsing thoroughly with clean water, dry with a soft, clean towel. A wax may then be applied. Caution Chrome wheels and other chrome trim may be damaged if the vehicle is not washed after driving on roads that have bee ...

Dimensions - Body (4NB)
Point-to-point measurements are for reference only. All measurements are given in millimeters. Use these measurements for diagnosing and estimating. Point-to-point measurements are duplicated with tram bar pointers set at equal lengths. All die marks, holes, slots, and fasteners are measured t ...

Parking Brake Lever Replacement
Removal Procedure Remove the front floor console. Refer to Front Floor Console Replacement. Ensure that the park brake lever is in the fully released position. Disconnect the electrical connector from the park brake warning lamp switch. Using ONLY HAND TOOL ...

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