Removing And Installing Evaporator; Dismantling And Assembling Evaporator Housing - Volkswagen Passat 2011 Workshop Manual

5.2

Removing and installing evaporator

Note
The refrigerant must be extracted beforehand, with the air
♦
conditioning service station .
Releasing refrigerant into the environment is a punishable of‐
♦
fence.
In vehicles with start-stop system, note abort conditions
♦
⇒ page 3 .
Removing
Observe notes ⇒ page 5
– Remove heater and air conditioning unit
– Dismantling evaporator housing
– Pull evaporator -A- out of lower part of evaporator housing.
Installing
Note
Before inserting evaporator, check condensate drain and
♦
clean if necessary.
Before inserting evaporator, clean evaporator housing and, if
♦
necessary, evaporator.
– When inserting evaporator -A-, ensure seal -F- is not dam‐
aged.
– Before inserting evaporator, examine seal -F- (it must be bon‐
ded all around).
– Set retainer -C- and combined seal and insulation -B- on con‐
nection pipes of evaporator -D and E-.
– Insert evaporator -A- in lower part of evaporator housing as
shown in figure.
Note
After assembling parts of evaporator housing, check for proper
♦
seating of combined seal and insulation -B- at opening for both
refrigerant lines -D and E-.
Check seating of retainer -C- on both refrigerant lines
♦
-D and E- for proper seating.
If heat insulation -B- is missing or improperly installed, it may
♦
lead to reduced performance of the air conditioning system
(due to changes in the set mapped values of the expansion
valve through heat radiation).
5.3 Dismantling and assembling evaporator
housing
Observe notes ⇒ page 5
– Separate evaporator housing from heater and air conditioning
unit ⇒ page 68 .
.
⇒ page 74
⇒ page 73 .
.
Passat 2011 ➤ , Passat Variant 2011 ➤
Heating, air conditioner - Edition 06.2017
.
5. Front heater and air conditioning unit
73