Nissan Quest E52. Manual - part 694

 

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Nissan Quest E52. Manual - part 694

 

 

PRECAUTIONS

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• 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.

• For vehicles with two batteries, be sure to remove both batteries

when instructed to remove 12V battery in the service manual. If
specified as main battery of sub battery, then do as instructed.

• 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.
• Use approved bonding agent, sealants or their equivalents when required.
• 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 leakage.

• Before servicing the vehicle:

Protect fenders, upholstery and carpeting with appropriate covers.
Take caution that keys, buckles or buttons do not scratch paint.

WARNING:

SEF289H

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PRECAUTIONS

To prevent ECM from storing the diagnostic trouble codes, never 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 TM sections.

Three Way Catalyst

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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.

Multiport Fuel Injection System or Engine Control System

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• Before connecting or disconnecting any harness connector for the

multiport fuel injection system or ECM:
Turn ignition switch to “OFF” position.
Disconnect negative battery terminal.
Otherwise, there may be damage to ECM.

• Before disconnecting pressurized fuel line from fuel pump to injec-

tors, be sure to release fuel pressure.

• Be careful not to jar components such as ECM and mass air flow

sensor.

Hoses

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HOSE REMOVAL AND INSTALLATION

• To prevent damage to rubber hose, do not pry off rubber hose with

tapered tool or screwdriver.

• To reinstall the rubber hose securely, check that hose insertion

length and orientation is correct. (If tube is equipped with hose
stopper, insert rubber hose into tube until it butts up against hose
stopper.)

HOSE CLAMPING

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PRECAUTIONS

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• If old rubber hose is re-used, install hose clamp in its original posi-

tion (at the indentation where the old clamp was). If there is a trace
of tube bulging left on the old rubber hose, align rubber hose at
that position. 

• Discard old clamps; replace with new ones.

• After installing plate clamps, apply force to them in the direction of

the arrow, tightening rubber hose equally all around.

Engine Oils

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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). Prepara-

tions 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.

Air Conditioning

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Use an approved refrigerant recovery unit any time the air conditioning system must be discharged. Refer to
HA section “REFRIGERANT” for specific instructions.

SMA021D

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PRECAUTIONS

Fuel

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Use unleaded regular gasoline with an octane rating of at least 87 AKI (Anti-Knock Index) number (Research
octane number 91).

CAUTION:

• Using a fuel other than that specified could adversely affect the emission control system, and may

also affect warranty coverage.

• Under no circumstances should a leaded gasoline be used, because this will damage the three-way

catalyst.

• Do not use E-15 or E-85 fuel in the vehicle. The vehicle is not designed to run on E-15 or E-85 fuel.

Using E-15 or E-85 fuel in a vehicle not specifically designed for E-15 or E-85 fuel can adversely
affect the emission control devices and systems of the vehicle. Damage caused by such fuel is not
covered by the NISSAN new vehicle limited warranty.

• U.S government regulations require ethanol dispensing pumps to be identified by a small, square,

orange and black label with the common abbreviation or the appropriate percentage for that region.

 

 

 

 

 

 

 

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