audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Heater Core Case > < Heating and A/C Unit Heat Exchangers, Removing and Installing|Page 15646
Page 4
background image

-

Dry running of pump in pump/valve unit will lead to destruction.

-

When bleeding coolant circuit, take special care to ensure complete bleeding of heat exchangers. If air bubbles remain in heat exchangers,
customer complaints may be received about lack of heating output in winter or differences in temperature of air flowing out of vents with same
setting in control mode.

Heater Core Case > < Heating and A/C Unit Heat Exchangers, Removing and Installing|Page 15646