Volkswagen Passat 1995 Operating instructions

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.
1- Plenum chamber cover
2- Dust and pollenfilter
Removing Fig. 5
3- Hex screw with shank
M6x22
5 Nm (44 in lb)
4- Gasket
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80-2
5-
Fresh Air Blower
Series Resistance with
Fuse -N24-
Removing and
installing Fig. 1
6- Fresh air blower -V2-
Removing Fig. 2
7- Footwell outlet
Replacing: Remove
shelf on drivers' and
passenger side, center
console, instrument
panel bracket and
pedal cluster cover -
23 -
8- Airduct
9- Airdistribution duct
Replacing center outlet
-12-
, heating and fresh
air controls -22-,
remove shelf on
passenger side;
Loosen instrument
panel -20- and lift
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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
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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-
21
Installing and adjusting
cables Page 80-15
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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-
15
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-
12
Removing: Remove
instrument panel
&items -22- to 28-
Fig. 9
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80-6
27 -
Heater core
Replacing Page 80-
12
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-
12
29 - Hex nut M6
5 Nm (44 in lb)
Page
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Heating and ventilation system
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