Dismantling and assembling bottom part of housing and air distribution housing — AUDI

Dismantling and assembling bottom part of housing and air distribution housing
Seal
Replace
Frame with air recirculation opening
Air conditioning unit wiring harness
Different versions for vehicles with and without
rear Climatronic operating and display unit
E265
, vehicles manufactured up to and as of 12.2003 (different air conditioning units and sockets, gradual introduction
Chapter
)
Electronic parts catalogue
Electrical connections at air conditioning unit:
Current flow diagrams, Electrical fault finding and Fitting locations
Note
Mark all connectors before unplugging them from electrical components (to avoid interchange).
After assembly, re-attach all wiring harness holders removed.
Seal the sockets in the plenum chamber through which the wiring harness is routed into the air conditioning unit (to the
fresh air blower control unit
J126
) or beneath the covers (to the
air flow flap control motor
V71
and to the
air recirculation flap control motor
V113
) with
silicone adhesive sealant
D 176 001 A3
(to stop water running through the socket or past the socket into the air conditioning unit or to the control motor).
Bottom part of housing
Pipe holder
For top left coolant pipe
Pipe holder
For bottom left coolant pipe
Oval head self-tapping screw
Pipe holder
For right coolant pipes
Socket
For bottom left coolant pipe
Socket
For top left coolant pipe
Socket
For right coolant pipes
Holder
Left
Holder
Bottom
Holder
Right
Evaporator output temperature sender
G263
Removing and installing
Chapter
Bottom left coolant pipe
Top left coolant pipe
Holder
O-ring
Replace
Clamp
Replace
Ensure correct positioning
If heat exchanger is replaced without removing, fit clamp instead of clip
Chapter
Left heat exchanger
Removing and installing
Chapter
With seal to air conditioning unit housing
Note
Before installing, check foam seal at heat exchanger.
The seal may curl up on insertion if not correctly bonded on.
Cold air may flow past the heat exchanger if the seal is damaged or not properly fitted.
Right heat exchanger
Removing and installing
Chapter
With seal to air conditioning unit housing (refer to note on left heat exchanger)
Top right coolant pipe
Bottom right coolant pipe
Air distribution housing
Dismantling and assembling
Chapter
Different versions for vehicles with and without
rear Climatronic operating and display unit
E265