2007 INFINITI QX56 Factory Service Manual

seats clock warning light inflation pressure display lug pattern

Page 1969 of 3061

INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
GI-3
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General PrecautionINFOID:0000000003531471
• Do not operate the engine for an extended period of time without
proper exhaust v

PRECAUTIONS
GI-3
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General PrecautionINFOID:0000000003531471
• Do not operate the engine for an extended period of time without
proper exhaust ventilation.
Keep the work area well ventilated and free of any flammable
materials. Special care should be taken when handling any flam-
mable or poisonous materials, such as gasoline, refrigerant gas,
etc. When working in a pit or other enclosed area, be sure to prop-
erly ventilate the area before working with hazardous materials.
Do not smoke while working on the vehicle.
• Before jacking up the vehicle, apply wheel chocks or other tire
blocks to the wheels to prevent the vehicle from moving. After jack-
ing up the vehicle, support the vehicle weight with safety stands at
the points designated for proper lifting before working on the vehi-
cle.
These operations should be done on a level surface.
• When removing a heavy component such as the engine or tran-
saxle/transmission, be careful not to lose your balance and drop
them. Also, do not allow them to strike adjacent parts, especially
the brake tubes and master cylinder.
• Before starting repairs which do not require battery power:
Turn off ignition switch.
Disconnect the negative battery terminal.
• If the battery terminals are disconnected, recorded memory of
radio and each control unit is erased.
• Battery posts, terminals and related accessories contain lead and
lead compounds. Wash hands after handling.
• To prevent serious burns:
Avoid contact with hot metal parts.
Do not remove the radiator cap when the engine is hot.
• Dispose of or recycle drained oil or the solvent used for cleaning
parts in an appropriate manner.
• Do not attempt to top off the fuel tank after the fuel pump nozzle
shuts off automatically.
Continued refueling may cause fuel overflow, resulting in fuel spray
and possibly a fire.
• Clean all disassembled parts in the designated liquid or solvent
prior to inspection or assembly.
• Replace oil seals, gaskets, packings, O-rings, locking washers,
cotter pins, self-locking nuts, etc. with new ones.
• Replace inner and outer races of tapered roller bearings and needle bearings as a set.
• Arrange the disassembled parts in accordance with their assembled locations and sequence.
• Do not touch the terminals of electrical components which use microcomputers (such as ECM).
Static electricity may damage internal electronic components.
• After disconnecting vacuum or air hoses, attach a tag to indicate the proper connection.
• Use only the fluids and lubricants specified in this manual.
• Use approved bonding agent, sealants or their equivalents when required.
SGI285
SGI231
SEF289H
SGI233

Page 1970 of 3061

INFINITI QX56 2007 Factory Service Manual GI-4
< SERVICE INFORMATION >
PRECAUTIONS
• Use hand tools, power tools (disassembly only) and recommended
special tools where specified for safe and efficient service repairs.
• When repairing the

GI-4
< SERVICE INFORMATION >
PRECAUTIONS
• Use hand tools, power tools (disassembly only) and recommended
special tools where specified for safe and efficient service repairs.
• When repairing the fuel, oil, water, vacuum or exhaust systems,
check all affected lines for leaks.
• Before servicing the vehicle:
Protect fenders, upholstery and carpeting with appropriate covers.
Take caution that keys, buckles or buttons do not scratch paint.
WARNING:
To prevent ECM from storing the diagnostic trouble codes, do not carelessly disconnect the harness
connectors which are related to the engine control system and TCM (transmission control module)
system. The connectors should be disconnected only when working according to the WORK FLOW of
TROUBLE DIAGNOSES in EC and AT sections.
Precaution for Three Way CatalystINFOID:0000000003531472
If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To
prevent this, follow the instructions.
• Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst.
• When checking for ignition spark or measuring engine compression, make tests quickly and only when nec-
essary.
• Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to the
catalyst.
Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three
way catalyst.
Precaution for Fuel (Unleaded Premium Gasoline Required)INFOID:0000000003531473
Use unleaded premium gasoline with an octane rating of at least 91 AKI (Anti-Knock Index) number (Research
octane number 96).
If unleaded premium gasoline is not available, unleaded regular gasoline with an octane rating of at least 87
AKI number (Research octane number 91) can be used, but only under the following precautions:
• have the fuel tank filled only partially with unleaded regular gasoline, and fill up with unleaded premium gas-
oline as soon as possible.
• avoid full throttle driving and abrupt acceleration.
However, for maximum vehicle performance, the use of unleaded premium gasoline is recommended.
CAUTION:
Do not use leaded gasoline. Using leaded gasoline will damage the three way catalyst. Do not use E-85
fuel (85% fuel ethanol, 15% unleaded gasoline) unless the vehicle is specifically designed for E-85 fuel
(i.e. Flexible Fuel Vehicle - FFV models). Using a fuel other than that specified could adversely affect
the emission control devices and systems, and could also affect the warranty coverage validity.
PBIC0190E
SGI234

Page 1971 of 3061

INFINITI QX56 2007 Factory Service Manual PRECAUTIONS
GI-5
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Precaution for Multiport Fuel Injection System or Engine Control SystemINFOID:0000000003531474
• Before connecting or disconn

Page 1972 of 3061

INFINITI QX56 2007 Factory Service Manual GI-6
< SERVICE INFORMATION >
PRECAUTIONS
• After installing leaf spring clamps, apply force to them in the direc-
tion of the arrow, tightening rubber hose equally all around.
Precaution for Engine

Page 1973 of 3061

INFINITI QX56 2007 Factory Service Manual HOW TO USE THIS MANUAL
GI-7
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PHOW TO USE THIS MANUAL
DescriptionINFOID:0000000003531478
This volume explains “Removal, Disassembly, Installation,

Page 1974 of 3061

INFINITI QX56 2007 Factory Service Manual GI-8
< SERVICE INFORMATION >
HOW TO USE THIS MANUAL
Contents
INFOID:0000000003531482
•ALPHABETICAL INDEX is provided at the end of this manual so that you can rapidly find the item and page
you are

GI-8
< SERVICE INFORMATION >
HOW TO USE THIS MANUAL
Contents
INFOID:0000000003531482
•ALPHABETICAL INDEX is provided at the end of this manual so that you can rapidly find the item and page
you are searching for.
•A QUICK REFERENCE INDEX, a black tab (e.g. ) is provided on the first page. You can quickly find the
first page of each section by matching it to the section's black tab.
•THE CONTENTS are listed on the first page of each section.
•THE TITLE is indicated on the upper portion of each page and shows the part or system.
•THE PAGE NUMBER of each section consists of two or three letters which designate the particular section
and a number (e.g. “BR-5”).
•THE SMALL ILLUSTRATIONS show the important steps such as inspection, use of special tools, knacks of
work and hidden or tricky steps which are not shown in the previous large illustrations.
Assembly, inspection and adjustment procedures for the complicated units such as the automatic transaxle
or transmission, etc. are presented in a step-by-step format where necessary.
ComponentINFOID:0000000003531483
•THE LARGE ILLUSTRATIONS are exploded views (see the following) and contain tightening torques, lubri-
cation points, section number of the PARTS CATALOG (e.g. SEC. 440) and other information necessary to
perform repairs.
The illustrations should be used in reference to service matters only. When ordering parts, refer to the appro-
priate PARTS CATALOG.
Components shown in an illustration may be identified by a circled number. When this style of illustration is
used, the text description of the components will follow the illustration.
1. Union bolt 2. Copper washer 3. Brake hose
4. Cap 5. Bleed valve 6. Sliding pin bolt
7. Piston seal 8. Piston 9. Piston boot
10. Cylinder body 11. Sliding pin 12. Torque member mounting bolt
13. Washer 14. Sliding pin boot 15. Bushing
16. Torque member 17. Inner shim cover 18. Inner shim
19. Inner pad 20. Pad retainer 21. Pad wear sensor
22. Outer pad 23. Outer shim 24. Outer shim cover
1: PBC (Poly Butyl Cuprysil) grease
or silicone-based grease2: Rubber grease : Brake fluid
Refer to GI section for additional symbol definitions.
SFIA2959E

Page 1975 of 3061

INFINITI QX56 2007 Factory Service Manual HOW TO USE THIS MANUAL
GI-9
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SYMBOLS
How to Follow Trouble DiagnosisINFOID:0000000003531484
DESCRIPTION
NOTICE:
Trouble diagnoses indicate work p

Page 1976 of 3061

INFINITI QX56 2007 Factory Service Manual GI-10
< SERVICE INFORMATION >
HOW TO USE THIS MANUAL
HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES
1.Work and diagnostic procedure
Start to diagnose a problem using procedures indicated in enclosed t

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