2009 INFINITI QX56 radiator

QUICK REFERNCE CHART: QX56
2010
Unit: mm (in)
*: Always check with the Parts Department for the latest parts information
Front Wheel Alignment (Unladen*1)INFOID:0000000005987161
*1: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
*2: Target value 37° 31 ′ (37.52 °)
*3: Target value 33 ° 59 ′ (33.98 °)
*4: Target value 37 ° 44 ′ (37.73 °)
*5: Target value 33 ° 29 ′ (33.48 °)
*6 Some vehicles may not be equipped with straight (non-adjustable) lower link bolts and washers. In order to adjust camber and caster
on these vehicles, first replace the lower link bolts and washers with adjustable (cam) bolts and washers Make
NGK
Model Standard model
Standard type* DILFR5A-11
Gap (Nominal) 1.1 (0.043)
Drive type2WD 4WD
Camber*6
Degree minute (decimal degree) Minimum -0
° 51 ′ (-0.85 °)-0 ° 33 ′ (-0.55 °)
Nominal -0 ° 6 ′ (-0.10 °)0 ° 12 ′ (0.20 °)
Maximum 0 ° 39 ′ (0.65 °)0 ° 57 ′ (0.95 °)
Cross camber 0 ° 45 ′ (0.75 °) or less 0 ° 45 ′ (0.75 °) or less
Caster
Degree minute (decimal degree) Minimum 3
° 15 ′ (3.25 °)2 ° 45 ′ (2.75 °)
Nominal 4 ° 0 ′ (4.00 °)3 ° 30 ′ (3.50 °)
Maximum 4 ° 45 ′ (4.75 °)4 ° 15 ′ (4.25 °)
Cross caster 0 ° 45 ′
(0.75 °) or less 0 ° 45 ′ (0.75 °) or less
Kingpin inclination
Degree minute (decimal degree) 13
° 32 ′ (13.53 °)13 ° 13 ′ (13.22 °)
Total toe-in Distance (A
− B) Minimum 1.8 mm (0.07 in) 1.8 mm (0.07 in)
Nominal 2.8 mm (0.11 in) 2.8 mm (0.11 in)
Maximum 3.8 mm (0.15 in) 3.8 mm (0.15 in)
Angle (left side or right side)
Degree minute (decimal degree) Minimum 0
° 3 ′ (0.05 °)0 ° 3 ′ (0.05 °)
Nominal 0 ° 5 ′ (0.08 °)0 ° 5 ′ (0.08 °)
Maximum 0 ° 7 ′ (0.12 °)0 ° 7 ′ (0.12 °)
Wheel turning angle
(full turn) Inside
Degree minute (decimal degree)
34
° 31 ′ – 38 ° 31 ′ *2
(34.52 ° – 38.52 °) 34
° 44 ′ – 38 ° 44 ′ *4
(34.73 ° – 38.73
° )
Outside
Degree minute (decimal degree) 30
° 59 ′ – 34 ° 59 ′ *3
(30.98 ° – 34.98 °) 30
° 29 ′ – 34 ° 29 ′ *5
(30.48 ° – 34.48 °)
SFA234AC

2009
QUICK REFERNCE CHART: QX56
Rear Wheel Alignment (Unladen
*1)INFOID:0000000005987159
*1: Fuel tank, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
Wheelarch Height (Unladen*1)INFOID:0000000005987160
Unit: mm (in)
*1: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions. Applied model
Without air leveling With air leveling
Camber
Degree minute (decimal degree) Minimum - 0
° 25 ′ (- 0.4 °)- 1 ° 0 ′ (- 1 °)
Nominal 0 ° 5 ′ (0.1 °)- 0 ° 30 ′ (- 0.5 °)
Maximum 0 ° 35 ′ (0.6 °)0 ° 0 ′ (0 °)
Cross camber 0 ° 45' (0.75 °) or less
To e - i n Distance
Toe-in (left side or right side)
AL - BL or AR - BR
mm (in)
:Front Minimum - 2.4 mm (- 0.094 in) 0 mm (0 in)
Nominal 0.9 mm (0.035 in) 3.3 mm (0.130 in)
Maximum 4.2 mm (0.165 in) 6.6 mm (0.260 in)
Cross toe
(AL - BL) - (AR - BR)
mm (in) 2 mm (0.079 in) or less
Angle Toe angle (left side or right side)
Degree minute
(Decimal degree) Minimum - 0
° 5' (- 0.08 °)0 ° 0' (0 °)
Nominal 0 ° 2' (0.03 °)0 ° 7' (0.11 °)
Maximum 0 ° 9' (0.14 °)0 ° 14' (0.22 °)
Cross toe
Degree minute (Decimal degree) 0
° 8' (0.14 °) or less
ALEIA0059ZZ
Suspension type
Air leveling*2
Applied model 2WD 4WD
Front wheelarch height (Hf)920
(36.22) 937
(36.89)
Rear wheelarch height (Hr) 917
(36.10) 937
(36.89)
LEIA0085E

BODY REPAIRBRM-7
< SERVICE INFORMATION >
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Body Exterior Paint ColorINFOID:0000000003776118
M: Metallic; 2S: 2-Coat Solid, 2P: 2-Coat Pearl; 3P: 3-Coat Pearl; t: Primerless Diamond Coat Clear
LIIA1437E
Component Color code NAD B30 K32 G10 K11 K12 Q11
Description
Deep
Garnet Lake-
shore
Slate Serengeti
Sand Liquid
Onyx Silver
Graphite Silver
Indulgence Tuscan
Pearl
Clear coat t t t t ttt
1 Outside
mirror Body
Chromium
plate Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
Base Black KH3 KH3 KH3 KH3 KH3 KH3 KH3
2 Radiator grille Center and
emblemChromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
3 Bumpers Fascias Body colo r NAD B30 K32 G10 K11 K12 Q11
4 Valance BlackKH3 KH3 KH3 KH3 KH3 KH3 KH3
5 Running
Boards Body Body color NAD B30 K32 G10 K11 K12 Q11
Step pad Black
KH3 KH3 KH3 KH3 KH3 KH3 KH3
6 Outside han-
dles Chromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
Body color NAD B30 K32 G10 K11 K12 Q11
7 Side Guard
Molding Base Body color NAD B30 K32 G10 K11 K12 Q11
To p T r i m
Chromium
plate Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
8 License plate
finisher Base Body color NAD B30 K32 G10 K11 K12 Q11
Top and
bottom trim
Chromium
plate
Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P Cr2P
9 Cowl top cover Body color NAD B30 K32 G10 K11 K12 Q11
10 Rear spoiler Body color NAD B30 K32 G10 K11 K12 Q11
Revision: December 20092009 QX56

BODY REPAIRBRM-41
< SERVICE INFORMATION >
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• Work after radiator core support has been removed.
FRONT PILLAR
LIIA1154E
Revision: December 20092009 QX56

CO-1
ENGINE
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SECTION CO
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CONTENTS
ENGINE COOLING SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Precaution for Liquid Gasket .....................................3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................5
FUNCTION DIAGNOSIS ...............................6
COOLING SYSTEM ....................................... .....6
Cooling Circuit ..................................................... ......6
Schematic .................................................................7
OVERHEATING CAUSE ANALYSIS ..................8
Troubleshooting Chart ...............................................8
ON-VEHICLE MAINTENA NCE ....................10
ENGINE COOLANT ....................................... ....10
Inspection ............................................................ ....10
Changing Engine Coolant .......................................11
RADIATOR ........................................................14
Checking Radiator ............................................... ....14
ON-VEHICLE REPAIR .................................15
RADIATOR ....... .................................................15
Exploded View ..................................................... ....15
Removal and Installation .........................................15
ENGINE COOLING FAN ...................................18
Exploded View .........................................................18
Removal and Installation (Crankshaft Driven
Type) .......................................................................
18
Removal and Installation (Motor Driven Type) ........19
WATER PUMP ..................................................20
Exploded View .........................................................20
Removal and Installation .........................................20
THERMOSTAT AND WATER PIPING ..............22
Exploded View .........................................................22
Removal and Installation .........................................22
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
24
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
24
Standard and Limit .............................................. ....24
Revision: December 20092009 QX56

CO-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000003771279
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name Description
K V 1 0 1111 0 0
(J-37228)
Seal cutter Removing steel oil pan and rear timing chain
case
WS39930000
(—)
Tube pressure Pressing the tube of liquid gasket
EG17650301
(J-33984-A)
Radiator cap tester adapter Adapting radiator cap tester to radiator cap
and radiator filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)
KV991J0070
(J-45695)
Coolant refill tool For refilling engine cooling system
KV991J0010
(J-23688)
Engine coolant refractometer Checking concentration of ethylene glycol in
engine coolant
—
(J-24460-92)
Radiator pressure test adapter set Adapting radiator pressure tester to reservoir
filler neck.
NT046
S-NT052
S-NT564
LMA053
WBIA0539E
AWBIA0891ZZ
Revision: December 20092009 QX56

PREPARATIONCO-5
< PREPARATION >
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Commercial Service ToolINFOID:0000000003771280
Tool name
Description
Power tool Loosening bolts and nuts
Radiator pressure tester Checking radiator and radiator cap
PBIC0190E
PBIC1982E
Revision: December 20092009 QX56

CO-8
< FUNCTION DIAGNOSIS >
OVERHEATING CAUSE ANALYSIS
OVERHEATING CAUSE ANALYSIS
Troubleshooting ChartINFOID:0000000003771283
SymptomCheck items
Cooling sys-
tem parts
malfunction Poor heat transfer
Water pump malfunction Worn or loose drive belt
—
Thermostat stuck closed Coolant circulation
Damaged fins
Dust contamination or pa-
per clogging
Physical damage
Clogged radiator cooling
tube Excess foreign material
(rust, dirt, sand, etc.)
Water cut valve malfunction Excess foreign material
(rust, dirt, sand, etc.), phys-
ical damage
Reduced air flow Cooling fan does not oper-
ate
Fan assembly —
High resistance to fan rota-
tion
Damaged fan blades
Damaged radiator shroud —Radiator shroud —
Improper engine coolant
mixture ratio —
Engine coolant viscosity —
Poor engine coolant quality —Engine coolant density —
Insufficient engine coolant Engine coolant leaksCooling hose
Loose clamp
Cracked hose
Water pump Poor sealing
Radiator cap Loose
Poor sealing
Radiator O-ring for da
mage, deterio-
ration or improper fitting
Cracked radiator tank
Cracked radiator core
Reservoir tank Cracked reservoir tank
Overflowing reservoir tank Exhaust gas leaks into cool-
ing system Cylinder head deterioration
Cylinder head gasket deteri-
oration
Revision: December 20092009 QX56