Volkswagen Passat 1995 Istruzioni operative

Heating & Air Conditioning

80 - Heating, Ventilation

Heating and ventilation system

Heating and ventilation system, assembly

Heating and ventilation unit, assembly

Heating and ventilation cables, installing and adjusting

Heating and ventilation controls, assembly

87 - Air conditioning

A/C refrigerant system, notes

Safetymeasures

A/C refrigerant R-134a, properties

Basics when working on A/C refrigerant system R-134a

Manual A/C

Heating and A/C components in passenger compartment, servicing

Heating and A/C cables, installing and adjusting

Heating and A/C components in engine compartment, servicing

Vacuum hose layout

A/C clutch -N25- (Sanden), servicing (compressor removed)

Compressor bracket, removing and installing

4-cyl. gasoline engine

4-cyl. TDI engine

6-cyl. engine

A/C refrigerant system

A/C refrigerant system, identification

A/C refrigerant system, component overview

A/C refrigerant system, servicing

Expansion valve, removing

Condensor, removing

Heating and A/C unit, removing and assembly

A/C refrigerant system, replacing components

A/C refrigerant system pressures and temperatures, checking

A/C refrigerant system, testing with pressure gauges

A/C refrigerant system, discharging

A/C refrigerant system, flushing with compressed air and nitrogen

A/C refrigerant system, evacuating and recharging

A/C refrigerant system, troubleshooting

Compressor noisy

A/C refrigerant system pressures, checking

A/C refrigerant system cooling performance, checking

A/C refrigerant system, checking for leaks

A/C refrigerant system, capacities

Refrigerant R-134a, capacity

Refrigerant (PAG) oil R-134a, capacity

Refrigerant (PAG) oil R-134a, identification

Refrigerant (PAG) oil R-134a, distribution

80-1

Heating and

ventilation system

Heating and ventilation

system, assembly

CAUTION!

Obtain the anti-theft radio

security code.

Switch the ignition off.

Disconnect the battery

Ground(GND) strap.

After reconnecting

battery, re-

code andcheck

operation of anti-theft

radio. Also check

operation of clock and

power windows according

to Repair Manual and/or

Owner's Manual.

Plenum chamber cover

Dust and pollenfilter

Removing Fig. 5

Hex screw with shank

M6x22

5 Nm (44 in lb)

Gasket

Page

Heating and ventilation system

12/7/2004

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.80.1

80-2

Fresh Air Blower

Series Resistance with

Fuse -N24-

Removing and

installing Fig. 1

Fresh air blower -V2-

Removing Fig. 2

Footwell outlet

Replacing: Remove

shelf on drivers' and

passenger side, center

console, instrument

panel bracket and

pedal cluster cover -

23 -

Airduct

Airdistribution duct

Replacing center outlet

-12-

, heating and fresh

air controls -22-,

remove shelf on

passenger side;

Loosen instrument

panel -20- and lift

Page

Heating and ventilation system

12/7/2004

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80-3

10 -

Right air outlet

Removing Fig. 8

11 -

Grille

For right air outlet

12 -

Center air outlet

Removing Fig. 7

13 -

Control panel trim

14 -

Grilles

For center outlet

15 -

Instrument panel trim

Removing Fig. 4

16 -

Grille

For left air outlet

17 -

Left air outlet

Removing Fig. 6

Page

Heating and ventilation system

12/7/2004

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.80.1

80-4

Repair Manual, Body

Exterior, Interior, Repair Group

70; Removing and installing

instrument panel

18 -

Rear duct

Replacing: Remove

console, instrument

panel bracket, pedal

cluster cover - 23 -,

footwell outlet - 7 -

19 -

Rear duct seal

Replacing: Remove

console, instrument

panel bracket, pedal

cluster cover - 23 -,

footwell outlet - 7 -

20 -

Instrument panel

Removing and

installing

21 -

Left air duct

22 -

Heating and ventilation

controls

Removing and

installing Fig. 3

Assembly Page 80-

Installing and adjusting

cables Page 80-15

Page

Heating and ventilation system

12/7/2004

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.80.1

80-5

23 -

Pedal cluster cover

24 -

Heating and ventilation

cables

Replacing: First

remove pedal cluster

cover - 23 - and foot

well outlet - 7 -

Removing and

installing Page 80-

25 -

Intermediate duct

With gasket

Replacing - remove

instrument panel first

26 -

Heating and ventilation

unit

Contains:

Heater core

Temperature flap

Center flap

Footwell/defrost flap

Do not disassemble

further

Assembly Page 80-

Removing: Remove

instrument panel

&items -22- to 28-

Fig. 9

Page

Heating and ventilation system

12/7/2004

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.HA01.80.1

80-6

27 -

Heater core

Replacing Page 80-

Always replace coolant

after

removal/replacement.

28 -

Airduct with main

shut-off flap

Replacing: Remove

instrument panel and

items -22- to 28-

Fig. 9

Installing: Page 80-

29 -

Hex nut M6

5 Nm (44 in lb)

Page

Heating and ventilation system

12/7/2004

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