Audi Q7 2007 Repair Manual page 80

Audi Q7 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 04.2013
Vehicle Diagnostic Tester via the "Guided Fault Finding" func‐
tion.
– Bleed the coolant circuit again, observe the notes for this as
well while doing this. Refer to
⇒ "7 Coolant Circuit, Bleeding", page 78
– On certain vehicles with a 6-cylinder TDI engine without an
"parking heater" but with an Auxiliary Heater Heating Element
- Z35- installed due a specific emission standard, check the
functionality and activation of the Auxiliary Heater Heating El‐
ement - Z35- . Refer to
⇒ "8.4 Auxiliary Heater Heating Element Z35 , Checking",
page 85 .
Note
If the Coolant Recirculation Pump - V50- causes noise, check the
coolant circuit bleeding before removing. Refer to
⇒ "7 Coolant Circuit, Bleeding", page 78
chanical; Rep. Gr. 19 ; Coolant System; Coolant Hose Connec‐
tion Diagram .
Removing
– Switch off ignition.
– Remove left front wheel.
– Remove the left front wheel housing liner. Refer to ⇒ Body
Exterior; Rep. Gr. 66 ; Wheel Housing Liners .
– Release the pressure in coolant circuit by opening the cap on
the coolant expansion tank. Refer to ⇒ Engine Mechanical;
Rep. Gr. 19 ; Coolant System .
74
Rep. Gr.87 - Air Conditioning
.
and ⇒ Engine Me‐
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.