1994 HONDA INTEGRA Workshop Manual

Blower Unit
Replacement
NOTE: The blower motor, recirculation control motor
and blower resistor can be replaced without lemoving
the blower unit (see page 2l-21).
1. Remove the glove box (see section 2O),
2. Remove the fou. bolts and the glove box frame.
Without Ail Conditioning
3-a. Remove the wire harness clips trom the heat€r duct.
Remove the Jour self-tapping screws 8nd the heat-
er duct.
GLOVE BOX FRAME
HEATER DUCT
With Air Conditioning
3-b. Remove the evaporator (see page 22-261.
CLIPS
6x I9.8 .ft 11.O kgt.m,7.2 tbt.ftl
4.
6.
Oisconnect the connectors from the blower motor,
blower resistor and the recirculation control motor.
Remove the wire harness clip from the recirculation
control motor, and release the wire harness from the
clamo on the blower unit.
Remove the two mounting bolts, mounting nut and
the blower unit,
6 x 1.0 mm
6 x 1.O mm9.8 N'm (1.0 kgf'm.7.2 tbt.ftl
lnstall in the reverse order of removal, and make sure
there are no air leaks.
9.8 .m (1.O kgl'm,7.2 lbf'ft}
21-20
--

Overhaul
NOTE:
' Before reassembly, make sure that the recirculation control door and linkage move smoothly without binding.' When teattaching the recirculation control motor, make sure its positioning will not allow the recirculation controtdoo.to be pulled too fat. Attach the recirculation control motor and 8ll links, then connect power and ground, and watchthe movement ol the reci.culation control door.
BLOWER RESISTORTest. pags 2l-9
m
21-21

Heater Unit
Replacement
CAUTION:
a All SRS electrical witing hame$os are covoed wlth
yollow insulation.
a Before disconnecting any patt of tho SRS wito har-
neas, connect tha shott connoctol(s|.
a Roplaco th€ enlire sffacted SRS harnosr a$smbly if
it has an opon cilcult or dsmaged wiring.
NOTE: The original radio h8s a coded theft protection
circuit. Be sure to get the customer's code number betors
- disconnecting the bafterY.
- removing the No. 32 (7.5 A) fuse from th€ under-
hood tuse/relav box.- removing the radio
After service. teconnect power to the radio and turn it
on, when the word "CODE" is displayed, enter the cus-
tomer's 5-digit code to restore radio operation.
1. When the engine is cool, dtain the engine coolant
from the radiator (see section 1O).
@@ oo not lomove tho radiator cap whan
the ongine is hol; tha ongino coolant is undot
pressure and could a€voralY tcald you.
2. Snap open the clamp and disconnect the heater
valve cable from the heater valve arm.
HEATER VALVE CABLE
21-22
CLAMFS
3. Disconnect the heater hoses from the heater unit'
CAUTIOII: Engino coobnt will damago paint. orick-
ly dnse any rpilled engine coolant from paintod
surfac63.
NOTE: Engine coolant will tun out when the hoses
are disconnected, drain it into a clean drip pan'
HEATER HOSES
Remove the mounting nut from the heater unit.
NOTE: When removing the mounting nut, take care
not to damage or bend the fuel pipes, brake pipes,
etc.
8 r 1,25 rn|n22 N.m 12.2 kgt.m, tO lbf'ftl
4.

5.
6.
7.
Rsmove the dashboard (see section 2O).
Remove the heater duct (see page 21-20) or theevaporator lse€ page 22-26).
Rsmove the two bolts, nut and the passenger,s SRS(}eam.
PASSEIVGER'SSRS EEAM
Disconnect the mode control motor conngctor, andremove the wire harness clip from the h€8ter unit.Remove the two mounting nuts and the haater unit.
6 r 1.0 mm9.8 .m (l.O kgt.m, 7.2 tbt.frl
MODE COI{TROL I,IOTORcol{t{€cToF
8.
8 x 1,26 mln22 N.m 12.2 kgf.m, 18 tbt.ttl
9. Install in the reverse order of removal, and:
a apply sealant to the grommets.a do not int6rchange the inlet and outl€t hoses.Make sure that the hose clamps are secure.a loosen th€ ble6d bolt on th6 engine and r€fillthetadiator and coolant r€servoir with the propsr en_gine coolant mixture (sse section 1O).Tighten the blsed boh when all the trapped air has6sc8p6d and engine coolant begins to flow fromit (see section 1O).a connect all csbles and make sure they 8re properlyadiusted (see pdge 21-271.
21-23

Heater Unit
Overhaul
Remove the screw and the damper arm cover.
Disconnect the link from the dampar arm, and re-
move the screw and the damper arm.
Removs the two screws and the heater core cover.
Remove the screw and the pipe clamp.
Pull out the heater core.
NOTE: Be careful not to bend the inlet and outlet
pipes during heater core removal.
Assemble in the rev€rse older of disassembly.
1.
?
4.
HEATER CORE COVER
DAMPER ARM COVER
HEATER CORE
DAMPEF ARM
21-24

Defroster Door Adjustment
Set the mode control switch on HEAT.
Loosen the adiusting screw.
Turn the adjusting arm to the left, as shown, so that
there will be no heat leakage from the defroster door,
Tighten the sdjusting screw.4.
CE]TTER AIR VEI{T
4. Remove the four self-tapping screws and the centerair v€nt.
Install in the reverse order of removal. and adjust theair mix control cable at the heater unit lsee page21-27). lf necessary, adjust the heater valve cablelsee page 21-27).
REAR WITIDOWDEFOGGERswtTcH
Heater Control Panel
Replacement
Disconned the air mix control cable from the heat-er unit lsee page 21-271.
Remove the rear window defogger switch and thehazard warning switch.
Remove the two self-tapping screws, then pull outthe heater control panel and the center air vent. Dis-connect the connectots, and remove the heater con-trol panel and the center air vent.
NOTE: The locking tabs of the hazard warningswitch and heater control panel connectors are onthe bottom.
AD.'USTII{G ARM
ADJUSTI G SCREW
AIR MIX CONTROL CABLE
CENTEB AIR VE T
21-25

Heater Control Panel
Overhaul
HEATER FAN SWITCHTest, page 21-30
AIR MIX CONTROL CABLE
Adjustment, page 21-27
Air Mix Control Cable Replacom€ni
1. Remove the ait mix control caDle'
2. Hook the tip of the new air max control cable to the temperature control lever, and push the cable housing until it
is locked.
AIR MIX CO]IITROL CABLE
NoTE:Alterassemb|y,checkthatthetemperaturecontro||eve's|idessmooth|ythroughthe'u||strokefromright
to left.
21-26

Heater Valve Gable
Adjustment
Disconnect the heater valve cable from the heatervalve arm and the clamp, and from the heater con-trol arm and the clamp.
Set the temperature control lever to MAX. HEAT.
Turn the heater control arm as shown. and connectthe end of the heater valve cable to the heater con-trol arm.
Gently slide the heater valve cable housing back fromthe end enough to take up any slack in the heatervalve cable, but not enough to make the tempera-ture control lever move. Hold the end of the heatervalve cable housing against the stop, then snap theheater valve cable housing into the clamp.
2.
Air Mix Control Cable
Adjustment
'l . Disconnect the air mix control cable from the air maxcontrol arm and the clamp.
2. Set the temperature control lever to MAX, HEAT.
3, Turn the air mix control arm as shown. and connectthe end of the air mix cont.ol cable to the air mixcontrol arm.
4. Gently slide the air mix control cable housing backtrom the end enough to take up any slack in the airmix controlcable, but not enough to make the tem-pe.ature control lever move, then snap the air mixcontrol cable housing into the clamp.
NOTE: The heater valve cable should always be ad-justed whenever the air mix control cable has beendisconnected.
HEATER COIITBOLARMHEATEB VALVECABLE
AIR MIX CONTROLCABLEAIB MIX CONTROLARM
5. Turn the heate. valve arm as shown, and connectthe end of the heater valve cable to the heater valve
arm.
Gently slide the heater valve cable housing back from
the end enough to take up any slack in the heatervalve cable, but not enough to make the tempera-ture control lever move, then snap the heater valve
cable housing into the clamp,
NOTE: The air mix control cable should always beadjusted whenever the heater valve cable has beendisconnected.
CLAMP
21-27