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
< PREPARATION >
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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
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