gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Knock Sensor > < Starting - Revised Procedures for Inop Ignition Cylinder|Page 4602
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Thermal Vacuum Valve - EVAP: Service and Repair

EVAP Vacuum Switch

REMOVAL PROCEDURE

1.

Disconnect the EVAP vacuum switch electrical connector.

2.

Disconnect the EVAP vacuum switch vacuum hoses.

3.

Remove the EVAP vacuum switch.

INSTALLATION PROCEDURE

1.

Install the EVAP vacuum switch.

2.

Connect the EVAP vacuum switch vacuum hoses.

3.

Connect the EVAP vacuum switch electrical connector.

Knock Sensor > < Starting - Revised Procedures for Inop Ignition Cylinder|Page 4602