Volkswagen Golf Service & Repair Manual: Removing and installing coolant pipes at heat exchanger (Denso)
 Note
| There are different designs and makes of heater and air
conditioning unit. The individual components of the various
heaters and air conditioning units are similar but not identical
(distinguishing features
→ Chapter). The combined fitting of different makes
of component is therefore not permissible
→ Electronic Parts Catalogue. |
|
|
|
| – |
Remove heater and air conditioner unit
→ Chapter. |
| – |
Detach the sealing collar -3-
to the plenum chamber bulkhead. |
| – |
Detach the coolant pipe holder -4-
to the left. |
| – |
Screw out the bolts -5- and
detach the screw-type clamps -6-. |
| – |
Pull coolant pipes -7- and
-8- off heat exchanger. |
|
|
|
| Installation is carried out in the reverse order. When
installing, note the following: |
| – |
Check connection -3- of the
heat exchanger and the connection of the coolant pipes
-1- for damage or dirt. |
| – |
Clean and smoothen sealing surface for seals. |
| – |
Moisten new seals -2- with
coolant (or lubricate lightly with silicone grease) and fit them
to coolant pipe -1-. |
| – |
Push coolant pipes into heat exchanger as far as stop. |
Risk of malfunction on heat exchanger due to defective seals and
leaks.Never squeeze seals.Never cant coolant pipes.Slide on coolant
pipes completely. |
|
|
| – |
Fit new screw-type clamps -2-
at the coolant pipe/heat exchanger joint. |
| – |
Check screw-type clips -2- for
proper seating on connections of heat exchanger and check
coolant pipes. The coolant pipes must not rest against air
distribution housing or any other components. |
| – |
Install heater and air conditioning unit
→ Chapter. |
| – |
Read event memory, and clear any entries displayed vehicle
diagnostic tester in “Guided fault finding” mode. |
| – |
As a final step, check operation of heater and air
conditioning system. |
| → Chapter „Assembly overview - heater and air conditioning unit“ |
|
|
|
Note
There are different designs and makes of heater and air
conditioning unit. The individual components of the various
heaters and air conditioning u ...
Special tools and workshop equipment
required
Removal wedge -3409-
Note
...
Other materials:
Dismantling and assembling heater unit
It is not necessary to extract the refrigerant and to remove
or disassemble the expansion valve and the evaporator. Further
procedure is identical with procedure for vehicles with air
conditioning system
→ Chapter.
...
Lights, lamps, switches outside
Operation and safety notes for gas
discharge bulbs
–
If repairs are to be made to the headlight with gas
discharge bulbs, observe the following:
Notes on dangerous high voltage/currents
→& ...
Wheel allocation
6 J x 15
6 J x 15
Note
Always observe the allocation of wheels and tyres to the respective
engines, which are listed in the overview table.
Explanation of information on
wheels:
→ Wheels and Tyres Guide - General informatio ...
© 2016-2024 Copyright www.vwgolf.org
Removing and installing coolant pipes at heat exchanger (Valeo)
Removing and installing evaporator temperature sensor -G308-, LHD vehicles