87-164
Notes:
When re-installing instrument panel and
heater/air conditioner assembly, ensure the A/C
system vacuum supply hose with heater core
fixture, and low pressure switch electrical
connector and evaporator fixture are inserted
together through the plenum chamber
openings.
Ensure evaporator drain is correctly positioned
page 87
-169
.
Connect coolant hoses correctly:
Ensure boot -C- is correctly installed.Hose -A-: return flow to water pump (with vent hole).Hose -B-: supply from cylinder head.
Replace refrigerant line O-rings -A- and -B-.Evaporator refrigerant line fixture bolt tightening torque: 15 Nm (11 ft
lb). Ensure boot -D- and wiring to low pressure switch are correctly
located and secured when installing.
Pa
ge 15 of 24 Heatin
g and ventilation s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.87.22
87-168
- Remove bolts -A-.
- Disconnect all electrical connections from instrument panel harness to
heater/air conditioner assembly.
Notes on installation: - Remove bolts -A-.
- Remove heater/air conditioner assembly towards passenger side.
- Install in reverse order of removal.
Replace all damaged heater/air conditioner assembly seals.Replace all removed cable tie wraps in the same location.Always replace evaporator inlet/outlet O-rings.Ensure refrigerant lines fit into evaporator without binding.Check evaporator line and heater core bulkhead grommets for correct
fit. Check evaporator drain and evaporator drain valve for correct fit (1996
page 87
-169
; 1997 page 87
-171
).
Pa
ge 21 of 24 Heatin
g and ventilation s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.HA01.87.22
