Chevrolet Sonic Repair Manual: Camshaft Position Actuator Adjuster Removal

Chevrolet Sonic Repair Manual / Powertrain / Engine / Valvetrain / Camshaft / Camshaft Position Actuator Adjuster Removal

Special Tools

EN-6340 Camshaft Adjuster Locking Tool
EN-6628-A Camshaft Locking Tool

For equivalent regional tools, refer to Special Tools.

Note:

The right half of the EN-6340 locking tool can be recognized by the lettering "right", arrow, on the tool.

Prepare the right half of the EN-6340 locking tool.

Remove the 2 bolts (2).
Remove the front panel (1) from the EN-6340 locking tool - right.

Install the EN-6340 locking tool into the camshaft adjusters.

Note:

The spot type marking (4) on the intake camshaft adjuster does not correspond to the groove of EN-6340 locking tool - left during this process but must be somewhat above as shown.

Install the EN-6340 locking tool - left (1) into the camshaft adjusters as shown.

Note:

The spot type marking (3) on the exhaust camshaft adjuster must correspond to the groove on EN-6340 locking tool - right.

Install EN-6340 locking tool - right (2) into the camshaft adjusters as shown.

Note:

Note the arrows.

Turn the camshaft by the hexagon until the groove on the end of the camshafts is horizontal.

Install the EN-6628-A locking tool (1).

Remove the camshaft position actuator adjuster closure bolt (1) of the intake camshaft position actuator adjuster and/or the exhaust camshaft position actuator adjuster (3).

Note:

A second technician is required.

Note:

Use an appropriate open-end wrench in order to counterhold the camshaft hexagon. A thin cross-section wrench is required for a better fit. The usage of EN-6628-A locking tool is for the camshaft adjustment to prevent misalignment of the camshafts. The wrench is required to counterhold the camshafts during bolt torque procedure.

Remove and DISCARD the intake camshaft position actuator adjuster bolt and/or the exhaust camshaft position actuator adjuster bolt (2).

Remove the intake camshaft position actuator adjuster and/or the exhaust camshaft position actuator adjuster (3).

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