Dismantling and assembling evaporator housing of air conditioning unit (front) — AUDI

Dismantling and assembling evaporator housing of air conditioning unit (front)
Removing and installing air conditioning unit
Chapter
Detaching and attaching add-on components of air conditioning unit
Chapter
Dismantling and assembling air conditioning unit
Chapter
Detach air intake housing from air conditioning unit
Chapter
.
Detach air distribution housing with wiring harness from evaporator housing
Chapter
.
Evaporator housing (without and with
auxiliary air heater element
Z35
)
Note
As of Model Year 2009 and depending on the applicable emissions standard, certain vehicles with 6-cyl. TDI engine and no
“auxiliary heater”
optional extra are fitted with a
supplementary air heater element
Z35
instead of a fuel-driven supplementary heater (gradual introduction with the corresponding engine)
Audi Sales Range
and
Auxiliary/supplementary heater
Rep. gr.
82
. Observe the different components for the versions with and without
auxiliary air heater element
Z35
Chapter
and
Electronic parts catalogue
.
Foam seal
For sealing with air conditioning unit in position at plenum chamber back wall
Bolt
Tightening torque: 10 Nm
Removing and installing
Chapter
(removing and installing expansion valve)
Expansion valve
Ensure correct allocation; different versions
Electronic parts catalogue
Removing and installing
Chapter
Checking operation
Chapter
(checking air conditioner cooling output)
O-ring
Renew
Electronic parts catalogue
Moisten slightly with refrigeration oil before fitting
Chapter
O-ring
Renew
Electronic parts catalogue
Moisten slightly with refrigeration oil before fitting
Chapter
Retaining plate
For expansion valve
Chapter
(removing and installing expansion valve)
Foam seal
For sealing the two evaporator refrigerant lines at the evaporator housing
Evaporator
With foam seal, check before fitting
Chapter
Inserting evaporator in bottom part of evaporator housing
Chapter
Sealing cord
For sealing connection between evaporator housing and air intake housing
Evaporator housing (bottom section)
Different versions for vehicles with and without
auxiliary air heater element
Z35
Electronic parts catalogue
Note
As of Model Year 2009 and depending on the applicable emissions standard, certain vehicles with 6-cyl. TDI engine and no
“auxiliary heater”
optional extra are fitted with a
supplementary air heater element
Z35
instead of a fuel-driven supplementary heater (gradual introduction with the corresponding engine)
Audi Sales Range
and
Auxiliary/supplementary heater
Rep. gr.
82
.
Observe the different components for the versions with and without
auxiliary air heater element
Z35
Chapter
and
Electronic parts catalogue
.
Bonded rubber element
Inserted in evaporator housing and engaged
Check for firm attachment in air conditioning unit, bond in loose bonded rubber element if necessary
Air duct
Evaporator housing (top section)
Note
From 11.2007 onwards, a modified
fresh air blower control unit
J126
, a modified front operating and display unit (
“deluxe”
Climatronic control unit
J255
), a modified
fresh air blower
V2
and with it a modified evaporator housing (top section) will gradually be introduced on vehicles with a
“deluxe”
air conditioner. Make sure these components are correctly allocated to each other
Chapter
and
Electronic parts catalogue
.
Clips
Bolt