Audi Q7 2007 Repair Manual page 311

– Clean the front A/C unit -D- and lower air guide -B- (for exam‐
ple, of residual coolant).
– Check the foam seals -C- at heater core -A-, they must be
glued all around without gaps and must not be damaged.
– Insert the heater core -A- on proper side into lower air guide
-B-.
– Install the heater core -A- with lower air guide -B- into A/C unit
-D-.
Note
While inserting, make sure that groove/spring connection be‐
tween A/C unit -D- and lower air guide -B- is joined correctly.
– Insert retaining pin -A- for connecting lower air duct -C- to
heating and A/C unit.
– Turn the retaining pin -A- into locking mechanism -B-
– Install the bolts -D-.
– Moisten the new O-ring seals -D- lightly with coolant (included
in heater core delivery casing. Refer to the Parts Catalog).
– Insert the new seals -D- on to coolant pipe connections -F-.
– Push both coolant pipes -B- and -C- into heater core connec‐
tions -E-.
– Insert retaining clips -A- on proper side on to coolant lines
-B- and -C- and heater core connections.
Note
Only use retaining clips of standard used in series production.
Refer to the Parts Catalog.
– Check the retaining clips -A- on coolant pipes and heater core
connections again for secure fit.
– Re-install both left and right covers on heater core and the
remaining removed components in reverse order.
– Install the front A/C unit. Refer to
⇒ "17 Front A/C Unit, Removing and Installing", page 297
Heating, Ventilation and Air Conditioning - Edition 04.2013
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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.
Audi Q7 2007 ➤
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17. Front A/C Unit, Removing and Installing
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