clock INFINITI QX4 2001 Factory Owner's Guide

Air Mix Door Control SpecificationNBHA0059S03
RHA137G
RHA849E
COMPONENT DESCRIPTIONNBHA0060The air mix door motor is attached to the heater unit. It rotates so
that the air mix door is opened or closed to a position set by the
auto amplifier. Motor rotation is then conveyed through a shaft and
the air mix door position is then fed back to the auto amplifier by
PBR built-in air mix door motor.
RHA504G
SHA522EA
CONTROL LINKAGE ADJUSTMENTNBHA0099Air Mix Door (Water Cock)NBHA0099S011. Install air mix door motor on heater unit and connect it to main
harness.
2. Set up code No. 41 in Self-diagnosis STEP 4. Refer to HA-44.
3. Move air mix door lever by hand and hold it in full cold posi-
tion.
4. Attach air mix door lever to rod holder.
5. Make sure air mix door operates properly when changing from
code No.
toby pushing DEF switch.
Full cold Full hot
6. Set up code No.in Self-diagnosis STEP 4.
7. Attach water cock rod to air mix door lever and secure with clip.
8. Rotate air mix door lever (CLOCKWISE completely) and hold
water cock rod and link lever in the full cold position.
9. Attach water cock rod to link lever and secure with clip (white
mark on cable housing should be centered under the retaining
clip).
GI
MA
EM
LC
EC
FE
AT
TF
PD
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Air Mix Door Motor (Cont'd)
HA-85

Compressor Clutch
OVERHAULNBHA0073
RHA122F
RHA136EB
REMOVALNBHA0074IWhen removing center bolt, hold clutch disc with clutch disc
wrench.
RHA399F
RHA124F
IRemove 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.
SERVICE PROCEDURE
Compressor Clutch
HA-150

CompressorNBHA0081
ModelCALSONIC make V-6
TypeV-6 variable displacement
Displacement
cm
3(cu in)/rev.Max. 184 (11.228)
Min. 14.5 (0.885)
Cylinder bore x stroke
mm (in)37 (1.46) x [2.3 - 28.6 (0.091 - 1.126)]
Direction of rotationClockwise (viewed from drive end)
Drive beltPoly V
LubricantNBHA0082
ModelCALSONIC make V-6
NameNissan A/C System Oil Type S
Part number*KLH00-PAGS0
Capacity
m(US fl oz, Imp fl oz)Total in system 200 (6.8, 7.0)
Compressor (Service part) charging amount 200 (6.8, 7.0)
*: Always check with the Parts Department for the latest parts information.
RefrigerantNBHA0083
TypeHFC-134a (R-134a)
Capacity
kg (lb)0.60 - 0.70 (1.32 - 1.54)
Engine Idling Speed (When A/C is ON)NBHA0084IRefer to EC-649, ªIdle Speed and Ignition Timingº.
Belt TensionNBHA0085IRefer to MA-29, ªEngine Maintenanceº.
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
HA-160

General SpecificationsNBTF0085
Transfer modelATX14A
Gear ratioHigh1.000
Low2.596
Number of teethPlanetary gearSun gear 57
Internal gear 91
Front drive sprocket 35
Front drive shaft 35
Fluid capacity(US qt, Imp qt)*3.0 (3-1/8, 2-5/8)
*: Refer to MA-11, ªFluids and Lubricantsº.
Inner Gear and Outer GearNBTF0086SUB-OIL PUMPNBTF0086S01
Allowable clearance 0.015 - 0.035 mm (0.0006 - 0.0014 in)
Gear thickness mm (in)Part No.*
Inner gear Outer gear
9.27 - 9.28 (0.3650 - 0.3654) 31346 0W462 31347 0W462
9.28 - 9.29 (0.3654 - 0.3657) 31346 0W461 31347 0W461
9.29 - 9.30 (0.3657 - 0.3661) 31346 0W460 31347 0W460
*: Always check with the Parts Department for the latest parts information.
MAIN OIL PUMPNBTF0086S02
Allowable clearance 0.015 - 0.035 mm (0.0006 - 0.0014 in)
Gear thickness mm (in)Part No.*
Inner gear Outer gear
14.67 - 14.68 (0.5776 - 0.5780) 31346 0W412 31347 0W412
14.68 - 14.69 (0.5780 - 0.5783) 31346 0W411 31347 0W411
14.69 - 14.70 (0.5783 - 0.5787) 31346 0W410 31347 0W410
*: Always check with the Parts Department for the latest parts information.
Control ValveNBTF0087VALVENBTF0087S01
Mounting position Part name Part No.* Outer dia. mm (in) Overall length mm (in)
L1 2-4 shift valve 31772 21X00 8.0 (0.315) 38.5 (1.516)
L2 Clutch valve 31772 80X11 10.0 (0.394) 40.0 (1.575)
L4 Pilot valve 31772 80X11 10.0 (0.394) 40.0 (1.575)
L5 Regulator valve 31741 0W410 12.0 (0.472) 68.0 (2.677)
*: Always check with the Parts Department for the latest parts information.
SPRINGNBTF0087S02
Mounting position Part name Part No.*Free length
mm (in)Outer dia.
mm (in)Wire dia. mm (in) Winding direction
L12-4 shift valve
spring31742 0W400 31.85 (1.2539) 7.0 (0.276) 0.6 (0.024) Clockwise
GI
MA
EM
LC
EC
FE
AT
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
SERVICE DATA AND SPECIFICATIONS (SDS)
General Specifications
TF-157

Mounting position Part name Part No.*Free length
mm (in)Outer dia.
mm (in)Wire dia. mm (in) Winding direction
L2 Clutch valve spring 31742 0W405 40.6 (1.598) 9.0 (0.354) 0.8 (0.031) Clockwise
L4 Pilot valve spring 31742 0W410 28.1 (1.106) 9.0 (0.354) 1.2 (0.047) Clockwise
L5Regulator valve
spring31742 0W415 39.7 (1.563) 11.0 (0.433) 1.3 (0.051) Clockwise
*: Always check with the Parts Department for the latest parts information.
ClutchNBTF0088DRIVE PLATENBTF0088S01
Part No.* Quantity Initial thickness mm (in) Limit value mm (in)
31532 0W410 8 2.0 (0.079) 1.8 (0.071)
*: Always check with the Parts Department for the latest parts information.
DRIVEN PLATENBTF0088S04
Part No.* Quantity Initial thickness mm (in) Limit value mm (in)
31536 0W410 14 2.0 (0.079) 0 (0) (steel plate)
*: Always check with the Parts Department for the latest parts information.
RETURN SPRINGNBTF0088S02
Stamped mark Part No.* Free length mm (in) Outer dia. mm (in) Wire dia. mm (in) Winding direction
1 31521 0W401 37.3 (1.496)
12.0 (0.472) 1.8 (0.071) Clockwise 2 31521 0W402 37.8 (1.488)
3 31521 0W403 38.4 (1.512)
4 31521 0W404 38.9 (1.531)
5 31521 0W405 39.4 (1.551)
6 31521 0W406 40.0 (1.575)
7 31521 0W407 36.8 (1.449)
8 31521 0W408 40.5 (1.594)
*: Always check with the Parts Department for the latest parts information.
RETAINING PLATENBTF0088S03
Standard end play 0.2 - 0.5 mm (0.008 - 0.020 in)
Measured value mm (in) Part No.* Thickness mm (in)
2.30 - 2.50 (0.0906 - 0.0984) 31537 0W410 2.1 (0.083)
2.50 - 2.70 (0.0984 - 0.1063) 31537 0W411 2.3 (0.091)
2.70 - 2.90 (0.1063 - 0.1142) 31537 0W412 2.5 (0.098)
2.90 - 3.10 (0.1142 - 0.1220) 31537 0W413 2.7 (0.106)
3.10 - 3.30 (0.1220 - 0.1299) 31537 0W414 2.9 (0.114)
3.30 - 3.50 (0.1299 - 0.1378) 31537 0W415 3.1 (0.122)
3.50 - 3.70 (0.1378 - 0.1457) 31537 0W416 3.3 (0.130)
3.70 - 3.90 (0.1457 - 0.1535) 31537 0W417 3.5 (0.138)
3.90 - 4.10 (0.1535 - 0.1614) 31537 0W418 3.7 (0.146)
4.10 - 4.30 (0.1614 - 0.1693) 31537 0W419 3.9 (0.154)
SERVICE DATA AND SPECIFICATIONS (SDS)
Control Valve (Cont'd)
TF-158