audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Heater Core > < Pump Unit, Removing and Installing|Page 15635
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Heater Control Valve: Service and Repair
Pump Valve Unit

Refrigerant Circuit

Pump Valve Unit

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Remove pump valve unit. Refer to => [ Pump Valve Unit, Checking ] See: Testing and Inspection/Pump Valve Unit, Checking. 

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Remove bolts - A -.

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Remove coolant pipes:

‹› Pipes - C - to front passenger's heater core

‹› Pipes - D - to driver's heater core

‹› Replace O-ring seals - B -.

‹› Coat O-ring seals with refrigerant before inserting.

‹› Insert rubber bushings - E - into pump valve unit and into bracket - F -, as shown in illustration.

Heater Core > < Pump Unit, Removing and Installing|Page 15635