2005 INFINITI QX4 Factory Service Manual

brake pads alarm instrument cluster turn signal bulb oil capacities fog light bulb

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INFINITI QX4 2005 Factory Service Manual GI-4
PRECAUTIONS
Revision: October 20052005 QX56
General PrecautionsEAS001F7
Do not operate the engine for an extended period of time without
proper exhaust ventilation.
Keep the work area well venti

GI-4
PRECAUTIONS
Revision: October 20052005 QX56
General PrecautionsEAS001F7
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 inflammable
materials. Special care should be taken when handling any
inflammable or poisonous materials, such as gasoline, refriger-
ant gas, etc. When working in a pit or other enclosed area, be
sure to properly ventilate the area before working with hazard-
ous 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
jacking up the vehicle, support the vehicle weight with safety
stands at the points designated for proper lifting before working
on the vehicle.
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.
To prevent serious burns:
Avoid contact with hot metal parts.
Do not remove the radiator cap when the engine is hot.
Dispose of 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.
SGI285
SGI231
SEF 2 89 H
SGI233

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INFINITI QX4 2005 Factory Service Manual PRECAUTIONS
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Use approved bonding agent, sealants or their equivalents when required.
Use hand tools, power tools (disassembly only) and

PRECAUTIONS
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Use approved bonding agent, sealants or their equivalents when required.
Use hand tools, power tools (disassembly only) and recom-
mended special tools where specified for safe and efficient ser-
vice 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 cov-
ers.
Take caution that keys, buckles or buttons do not scratch paint.
WA RN ING:
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.
Precautions for Three Way CatalystEAS001F8
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
necessary.
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.
Precautions for Fuel (Unleaded Regular Gasoline Recommended)EAS001XQ
Use unleaded regular gasoline with an octane rating of at least 87 AKI (Anti-Knock Index) number (Research
octane number 91). E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) may only be used in vehicles specif-
ically designed for E-85 fuel (i.e. Flexible Fuel Vehicle - FFV models.)
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

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INFINITI QX4 2005 Factory Service Manual GI-6
PRECAUTIONS
Revision: October 20052005 QX56
Precautions for Multiport Fuel Injection System or Engine Control SystemEAS001FA
Before connecting or disconnecting any harness connector for
the mult

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INFINITI QX4 2005 Factory Service Manual PRECAUTIONS
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After installing leaf spring clamps, apply force to them in the
direction of the arrow, tightening rubber hose equally all a

PRECAUTIONS
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After installing leaf spring clamps, apply force to them in the
direction of the arrow, tightening rubber hose equally all around.
Precautions for Engine OilsEAS001FC
Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact
with used oil.
If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.
HEALTH PROTECTION PRECAUTIONS
Avoid prolonged and repeated contact with oils, particularly used engine oils.
Wear protective clothing, including impervious gloves where practicable.
Do not put oily rags in pockets.
Avoid contaminating clothes, particularly underpants, with oil.
Heavily soiled clothing and oil-impregnated footwear should not be worn. Overalls must be cleaned regu-
larly.
First aid treatment should be obtained immediately for open cuts and wounds.
Use barrier creams, applying them before each work period, to help the removal of oil from the skin.
Wash with soap and water to ensure all oil is removed (skin cleansers and nail brushes will help). Prepa-
rations containing lanolin replace the natural skin oils which have been removed.
Do not use gasoline, kerosene, diesel fuel, gas oil, thinners or solvents for cleaning skin.
If skin disorders develop, obtain medical advice without delay.
Where practical, degrease components prior to handling.
Where there is a risk of eye contact, eye protection should be worn, for example, chemical goggles or face
shields; in addition an eye wash facility should be provided.
ENVIRONMENTAL PROTECTION PRECAUTIONS
Dispose of used oil and used oil filters through authorized waste disposal contractors to licensed waste dis-
posal sites, or to the waste oil reclamation trade. If in doubt, contact the local authority for advice on disposal
facilities.
It is illegal to pour used oil on to the ground, down sewers or drains, or into water sources.
The regulations concerning pollution vary between regions.
Precautions for Air ConditioningEAS001FD
Use an approved refrigerant recovery unit any time the air conditioning system must be discharged. Refer to
ATC-175, "
HFC-134a (R-134a) Service Procedure" for specific instructions.
SM A02 2D

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INFINITI QX4 2005 Factory Service Manual GI-8
HOW TO USE THIS MANUAL
Revision: October 20052005 QX56
HOW TO USE THIS MANUALPFP:00008
Description EAS001FE
This volume explains “Removal, Disassembly, Installation, Inspection and Adjustment�

GI-8
HOW TO USE THIS MANUAL
Revision: October 20052005 QX56
HOW TO USE THIS MANUALPFP:00008
Description EAS001FE
This volume explains “Removal, Disassembly, Installation, Inspection and Adjustment” and “Trouble Diag-
noses”.
TermsEAS001FF
The captions WAR NIN G and CAUTION warn you of steps that must be followed to prevent personal
injury and/or damage to some part of the vehicle.
WAR NIN G indicates the possibility of personal injury if instructions are not followed.
CAUTION indicates the possibility of component damage if instructions are not followed.
BOLD TYPED STATEMENTS except WAR NIN G and CAUTION give you helpful information.
Standard value:Tolerance at inspection and adjustment.
Limit value:The maximum or minimum limit value that should not be exceeded at inspection and adjust-
ment.
UnitsEAS001FG
The UNITS given in this manual are primarily expressed as the SI UNIT (International System of Unit),
and alternatively expressed in the metric system and in the yard/pound system.
“Example”
ContentsEAS001FH
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 sec-
tion 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 tran-
saxle or transmission, etc. are presented in a step-by-step format where necessary.Outer Socket Lock Nut : 59 - 78 N-m (6.0 - 8.0 kg-m, 43 - 58 ft-lb)

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INFINITI QX4 2005 Factory Service Manual HOW TO USE THIS MANUAL
GI-9
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Relation between Illustrations and DescriptionsEAS001YE
The following sample explains the ralationship between the

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INFINITI QX4 2005 Factory Service Manual GI-10
HOW TO USE THIS MANUAL
Revision: October 20052005 QX56
SYMBOLS
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.

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INFINITI QX4 2005 Factory Service Manual HOW TO USE THIS MANUAL
GI-11
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Revision: October 20052005 QX56
How to Follow Trouble DiagnosesEAS001FJ
DESCRIPTION
NOTICE:
Trouble diagnoses indicate work procedures required t

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