Infiniti I35 (A33). Manual — part 550
RHA136EB
REMOVAL
NHHA0232
I
When removing center bolt, hold clutch disc with clutch disc
wrench.
RHA399F
RHA124F
I
Remove the clutch disc using the clutch disc puller.
Insert the holder’s three pins into the holes in the clutch disc.
Rotate the holder clockwise to hook it onto the plate. Then,
tighten the center bolt to remove the clutch disc.
After removing the clutch disc, remove the shims from either
the drive shaft or the clutch disc.
RHA138E
I
Remove the snap ring using external snap ring pliers.
RHA139E
I
Pulley removal
Position the center pulley puller on the end of the drive shaft,
and remove the pulley assembly using any commercially avail-
able pulley puller.
To prevent the pulley groove from being deformed, the
puller claws should be positioned onto the edge of the
pulley assembly.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
SERVICE PROCEDURE
Compressor Clutch (Cont’d)
HA-113
RHA125F
I
Remove the field coil harness clip using a pair of pliers.
RHA145E
I
Remove the snap ring using external snap ring pliers.
RHA126F
INSPECTION
NHHA0233
Clutch Disc
NHHA0233S01
If the contact surface shows signs of damage due to excessive
heat, replace clutch disc and pulley.
Pulley
NHHA0233S02
Check the appearance of the pulley assembly. If the contact sur-
face of pulley shows signs of excessive grooving, replace clutch
disc and pulley. The contact surfaces of the pulley assembly should
be cleaned with a suitable solvent before reinstallation.
Coil
NHHA0233S03
Check coil for loose connection or cracked insulation.
RHA142E
INSTALLATION
NHHA0234
I
Install the field coil.
Be sure to align the coil’s pin with the hole in the com-
pressor’s front head.
I
Install the field coil harness clip using a screwdriver.
SERVICE PROCEDURE
Compressor Clutch (Cont’d)
HA-114
RHA143EA
I
Install the pulley assembly using the installer and a hand
press, and then install the snap ring using snap ring pliers.
RHA127F
I
Install the clutch disc on the drive shaft, together with the
original shim(s). Press the clutch disc down by hand.
RHA086E
I
Using the holder to prevent clutch disc rotation, tighten the bolt
to 14 N·m (1.4 kg-m, 10 ft-lb) torque.
After tightening the bolt, check that the pulley rotates
smoothly.
RHA087E
I
Check clearance around the entire periphery of clutch disc.
Disc-to-pulley clearance:
0.3 - 0.6 mm (0.012 - 0.024 in)
If the specified clearance is not obtained, replace adjusting
spacer and readjust.
Break-in Operation
NHHA0234S01
When replacing compressor clutch assembly, always carry out the
break-in operation. This is done by engaging and disengaging the
clutch about thirty times. Break-in operation raises the level of
transmitted torque.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
SERVICE PROCEDURE
Compressor Clutch (Cont’d)
HA-115
Heater Unit (Heater Core)
REMOVAL
NHHA0249
RHA420HA
1.
Drain the cooling system. Refer to MA-14, “Changing Engine
Coolant”.
2.
Disconnect the two heater hoses from inside the engine com-
partment.
3.
Remove the Blower and cooling unit. Refer to HA-117.
4.
Remove the steering member assembly. Refer to BT-30, “Instru-
ment Panel Assembly”.
5.
Remove the heater unit.
6.
Remove the heater core.
INSTALLATION
NHHA0250
Installation is basically the reverse order of removal.
When filling radiator with coolant, refer to MA-14, “Changing
Engine Coolant”.
SERVICE PROCEDURE
Heater Unit (Heater Core)
HA-116
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