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4 Disassembly and Assembly
⇒ “4.1 Heater Electrical Attachments“, page 18
⇒ “4.2 Heater“, page 20
⇒ “4.3 Air Guide Channel“, page 22
4.1 Heater Electrical Attachments
Heater, removing and installing, refer to
⇒ “5.3 A/C Unit“, page 108 .
Note
Remove the heater the same way as removing the A/C unit. The
items that affect components that are only present on the A/C
system are omitted.
1 - Wiring Harness For Heater
❑ Different versions, for
example, with or without
voltage supply to the
auxiliary heater heating
element -Z35- ). Refer to
Electronic Parts Catalog
(ETKA).
❑ Mark the allocation be‐
fore disconnecting the
connectors (connectors
of same shape for differ‐
ent motors, risk of inter‐
changing them).
❑ Secure wiring harness
to mounting points pro‐
vided on housing (using
cable ties, or on mounts)
so that it does not come
into contact with moving
components.
2 - Heater Unit
❑ Removing and instal‐
ling, refer to
⇒ “5.3 A/C Unit“,
page 108 (A/C unit, re‐
moving and installing).
Note
❑ Heater, disassembling
and assembling, refer to
⇒ “4.2 Heater“,
page 20 .
❑ Air guide channel, dis‐
assembling and assem‐
bling, refer to
⇒ “4.3 Air Guide Chan‐
nel“, page 22 .
3 - Auxiliary Air Heater Heating Element -Z35-
❑ Only intended for vehicles with Diesel engine.
Audi TT 2007 ➤
Heating, Ventilation and Air Conditioning - Edition 01.2011
18 Rep. Gr.80 - Heating, Ventilation
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