Infiniti EX35. Manual - part 424

 

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Infiniti EX35. Manual - part 424

 

 

PRECAUTIONS

CO-5

< PRECAUTION >

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PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

INFOID:0000000003657648

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIRBAG” and “SEAT BELT” of this
Service Manual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIRBAG”.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.

CO-6

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PREPARATION

PREPARATION

PREPARATION

Commercial Service Tools

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Tool name

Description

Power tool

Loosening bolts and nuts

Radiator cap tester

Checking radiator and radiator cap

Radiator cap tester adapter

Adapting radiator cap tester to radiator cap 
and water outlet (front) filler neck
a: 28 (1.10) dia.
b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
Unit: mm (in)

PBIC0190E

PBIC1982E

S-NT564

ENGINE COOLANT

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ON-VEHICLE MAINTENANCE

ENGINE COOLANT

Inspection

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LEVEL 

• Check if the reservoir tank engine coolant level is within the “MIN”

to “MAX” when the engine is cool.

• Adjust the engine coolant level as necessary.
• Check that the reservoir tank cap is tightened.

LEAKAGE

• To check for leakage, apply pressure to the cooling system with the

radiator cap tester and radiator cap tester adapter (commercial
service tool) (A).

WARNING:

Never remove radiator cap when engine is hot. Serious burns
could occur from high-pressure engine coolant escaping from
water outlet (front).

CAUTION:

Higher test pressure than specified may cause radiator dam-
age.
NOTE:
In a case that engine coolant decreases, replenish radiator with engine coolant.

• If anything is found, repair or replace damaged parts.

Draining

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WARNING:

• Never change engine coolant when the engine is hot to avoid being scalded.
• Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a

quarter of a turn to release built-up pressure. Then turn radiator cap all the way.

1.

Open radiator drain plug (2) at the bottom of radiator, and then
remove radiator cap. 

When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer
to 

EM-89, "Setting"

.

2.

Remove reservoir tank as necessary, and drain engine coolant and clean reservoir tank before installing. 

3.

Check drained engine coolant for contaminants such as rust, corrosion or discoloration.

A

:  MAX

B

:  MIN

JPBIA0102ZZ

Testing pressure

: Refer to 

CO-25, "Radiator"

.

JPBIA0411ZZ

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: Engine under cover

A

: Radiator drain plug hole

: Vehicle front

JPBIA0259ZZ

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< ON-VEHICLE MAINTENANCE >

ENGINE COOLANT

If contaminated, flush the engine cooling system. Refer to 

CO-9, "Flushing"

.

Refilling

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1.

Remove engine cover. Refer to 

EM-25, "Exploded View"

.

2.

Install reservoir tank if removed, and radiator drain plug.

CAUTION:

Be sure to clean drain plug and install with new O-ring.

If water drain plugs on cylinder block are removed, close and tighten them. Refer to 

EM-115, "Dis-

assembly and Assembly"

.

3.

Check that each hose clamp has been firmly tightened.

4.

Remove air relief plug (2) on radiator left side. 

5.

Remove air relief plug (1) on heater hose.

6.

Fill radiator, and reservoir tank if removed, to specified level.
• Pour engine coolant through engine coolant filler neck

slowly of less than 2  (2-1/8 US qt, 1-3/4 lmp qt) a minute
to allow air in system to escape.

• Use Genuine NISSAN Long Life Antifreeze/Coolant or

equivalent mixed with water (distilled or demineralized).
Refer to 

MA-10, "Fluids and Lubricants"

.

Tightening torque

: Refer to 

CO-13, "Exploded View"

.

1

: Reservoir tank

3

: Engine cover

: Vehicle front

JPBIA0260ZZ

2

: Heater hose

: Vehicle front

JPBIA0104ZZ

Engine coolant capacity

: Refer to 

CO-25, 

"Periodical Maintenanc
e Specification"

.

(With reservoir tank at 
“MAX” level)

JPBIA0412ZZ

 

 

 

 

 

 

 

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