Volkswagen Golf Service & Repair Manual: Removing and installing coolant pipes at heat exchanger (Valeo)
 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. |
| – |
Lift locking element -7- and
pull off clip -6-. |
| – |
Pull coolant pipe -5- off heat
exchanger. |
| – |
Remove screw-type clip -9- and
pull coolant pipe -10- off heat
exchanger. |
| – |
Detach the coolant pipes. |
|
|
|
| Installation is carried out in the reverse order. When
installing, note the following: |
| – |
Check connection -3- of the
heat exchanger and connection -2-
of the coolant pipes for damage or contamination. |
| – |
Clean and smoothen sealing surface for seals. |
| – |
Moisten new seals -4- 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 a new clip -5- or
screw-type clip -2- onto coolant
pipe / heat exchanger joint. |
| – |
Check clip and screw-type clip 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“ |
|
|
|
Special tools and workshop equipment
required
Drip tray for workshop hoist -VAS 6208-
& ...
Note
There are different designs and makes of heater and air
conditioning unit. The individual components of the various
heaters and air conditioning u ...
Other materials:
Assembly overview - charge air system
Note
Check all air hoses and pipes for firm seating and leaks before
carrying out tests or repairs.
Observe rules for cleanliness
→ Chapter.
1 -
Coolant hose
2 -
Bolt
...
Introduction
This chapter contains information on the following subjects:
→ Indicator lamp
→ Information on changing bulbs
→ Changing bulbs in the halogen headlights
→ Changing bulbs in xenon headlights
→ Changing bulbs in the front bumper
→ Changing bulbs ...
Engine data
First read and observe the introductory information
and safety warnings For reasons of vehicle registration and vehicle taxation,
the power output and performance of some engines may vary in some countries from
the information given in this booklet.
Petrol engines
...
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