saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Checking the Vacuum Hoses|Page 3690 > < Checking the Vacuum Hoses|Page 3688
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Heater Control Valve Actuator: Testing and Inspection

Checking the Vacuum Hoses

Checking The Vacuum Hoses

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Check the vacuum hoses between the shut-off valve and intake manifold.

Are the hoses free from defects?

NO

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Continue with Checking the Vacuum Hoses

YES -

See: Checking the Power Supply 

Repair or replace the vacuum hoses.

After performing this procedure See: Final Check

Checking the Power Supply

Checking The Power Supply

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Turn the ignition switch to the ON position.

Unplug the connector:

-

Solenoid valve heat exchanger (581)

Checking the Vacuum Hoses|Page 3690 > < Checking the Vacuum Hoses|Page 3688