Nissan Tiida C11. Manual - part 133

CO-50

< DISASSEMBLY AND ASSEMBLY >

[MR18DE]

COOLING FAN

DISASSEMBLY AND ASSEMBLY

COOLING FAN

DISASSEMBLY AND ASSEMBLY

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Disassembly

1.

Remove cooling fan from fan motor.

2.

Remove fan motor from fan shroud.

Inspection After Disassembly

Inspect cooling fan for crack or unusual bend.
• If anything is found, replace cooling fan.

Assembly

Assembly is the reverse order of disassembly.

SERVICE DATA AND SPECIFICATIONS (SDS)

CO-51

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[MR18DE]

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SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

Standard and Limit

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CAPACITY

Unit: 

 (lmp qt)

THERMOSTAT

WATER CONTROL VALVE

RADIATOR

Unit: kPa (bar, kg/cm

2

, psi)

Engine coolant capacity (with reservoir tank at “MAX” level)

Approx. 6.8 (6.0)

Valve opening temperature

80.5 - 83.5

°

C (177 - 182

°

F)

Maximum valve lift

 8 mm/ 95

°

C (0.315 in/ 203

°

F)

Valve closing temperature

 77

°

C (171

°

F) 

Valve opening temperature

93.5 - 96.5

°

C (200 - 206

°

F)     

Maximum valve lift

8 mm/ 108

°

C (0.315 in/ 226

°

F)

Valve closing temperature

90

°

C (194

°

F) 

Cap relief pressure

Standard

78 - 98 (0.78 - 0.98, 0.8 - 1.0, 11- 14)

Limit

59 (0.59, 0.6, 9)

Leakage test pressure

157 (1.57, 1.6, 23)

CO-52

< FUNCTION DIAGNOSIS >

[K9K]

DESCRIPTION

FUNCTION DIAGNOSIS

DESCRIPTION

Engine Cooling System

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1.

Engine

2.

Radiator

3.

Heater core

4.

Reservoir tank

5.

Water pump

6.

Thermostat

7.

Air relief plug

8.

Oil cooler

9.

EGR cooler

MBIB9046E

OVERHEATING CAUSE ANALYSIS

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< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

OVERHEATING CAUSE ANALYSIS

Troubleshooting Chart

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Symptom

Check items

Cooling sys-
tem parts 
malfunction

Poor heat transfer

Water pump malfunction

Worn timing belt

—

Thermostat stuck closed

—

Damaged fins

Dust contamination or pa-
per clogging

Mechanical damage

Clogged radiator cooling 
tube

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

Reduced air flow

Cooling fan does not oper-
ate

Fan assembly

—

High resistance to fan rota-
tion

Damaged fan blades

Damaged radiator shroud

—

—

—

Improper coolant mixture 
ratio

—

—

—

Poor coolant quality

—

—

—

Insufficient coolant

Coolant leaks

Cooling hose

Loose clamp

Cracked hose

Water pump

Poor sealing

Reservoir tank 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