volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Inertia Fuel Shutoff Switch|Description and Operation
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Intake Air Heater: Testing and Inspection

Intake Air Pre-heating, Checking

Recommended special tools and equipment

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Chilling spray (commercially available)

Checking regulator flap

Observe safety precautions.
Observe rules for cleanliness.

NOTE:  Air filter, assembly overview.

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Remove upper section of air filter and filter element.

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Spray thermal element -arrow- with chilling spray and check position of regulator flap -1- :
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above + 23 degrees C, regulator flap -1- must seal the warm air connection,

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Below + 10 degrees C, regulator flap opens warm air connection.

Main Relay (Computer/Fuel System) > < Inertia Fuel Shutoff Switch|Description and Operation