Nissan Pathfinder. Manual - part 289

PRECAUTIONS

CO-3

< PRECAUTION >

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3. Attach the liquid gasket tube to the suitable tool.

Use Genuine RTV Silicone Sealant or equivalent. Refer to

GI-22, "Recommended Chemical Products and Sealants"

. 

4. Apply the liquid gasket without breaks to the specified location

with the specified dimensions.

• If there is a groove for the liquid gasket application, apply the

liquid gasket to the groove.

• Normally apply the liquid gasket on the inside edge of the bolt

holes. Also apply to the outside edge of the bolt holes when

specified in the procedure.

• Within five minutes of liquid gasket application, install the mat-

ing component.

• If the liquid gasket protrudes, wipe it off immediately.

• Do not retighten after the installation.

• Wait 30 minutes or more after installation before refilling the

engine with engine oil or engine coolant.

CAUTION:

If there are more specific instructions in the procedures contained in this manual concerning liquid

gasket application, observe them. 

WBIA0567E

SEM159F

CO-4

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PREPARATION

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000009177977

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tool

INFOID:0000000009177978

Tool number
(Kent-Moore No.)
Tool name

Description

KV10111100
(J-37228)
Seal cutter

Removing chain tensioner cover and water 
pump cover

KV991J0070
(J-45695)
Coolant refill tool

Refilling engine cooling system

KV991J0010
(J-23688)
Refractometer

Checking concentration of ethylene glycol in 
engine coolant

NT046

LMA053

WBIA0539E

Tool name

Description

Power tool

Loosening nuts, screws and bolts

Radiator cap tester

Testing radiator cap

PIIB1407E

PBIC1982E

PREPARATION

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Tube presser

Pressing the tube of liquid gasket

Radiator cap tester adapter

Adapting radiator cap tester to radiator cap 
and radiator pipe (upper) filler neck
a: 28 (1.10) diameter
b: 31.4 (1.236) diameter
c: 41.3 (1.626) diameter
Unit: mm (in)

Tool name

Description

S-NT052

S-NT564

CO-6

< SYSTEM DESCRIPTION >

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OVERHEATING CAUSE ANALYSIS

SYSTEM DESCRIPTION

OVERHEATING CAUSE ANALYSIS

Troubleshooting Chart

INFOID:0000000009177979

Symptom

Check items

Cooling sys-
tem parts 
malfunction

Poor heat transfer

Water pump malfunction

Worn or loose drive belt

Engine coolant circulation

Thermostat stuck closed

Thermostat

Damaged radiator fins

Dust contamination or pa-
per clogging

—

Physical damage

Clogged radiator cooling 
tube

Excess foreign material 
(rust, dirt, sand, etc.)

Reduced air flow

Cooling fan does not oper-
ate

Cooling 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 leaks

Radiator and heater hoses

Loose clamp

Cracked hose

Water pump

Poor sealing

Radiator cap

Loose

Poor sealing

Radiator

O-ring for damage, 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