Nissan Qashqai (2007-2010). Manual - part 105

 

  Index      Nissan     Nissan Qashqai - service and repair manual 2007 - 2010 year

 

Search            copyright infringement  

 

 

 

 

 

 

 

  

 

Content   ..  103  104  105  106   ..

 

 

Nissan Qashqai (2007-2010). Manual - part 105

 

 

CO-4

< FUNCTION DIAGNOSIS >

[HR16DE]

DESCRIPTION

FUNCTION DIAGNOSIS

DESCRIPTION

Engine Cooling System

INFOID:0000000000903731

Engine Cooling System Schematic

INFOID:0000000000903732

JPBIA0304GB

JPBIA0305GB

OVERHEATING CAUSE ANALYSIS

CO-5

< SYMPTOM DIAGNOSIS >

[HR16DE]

C

D

E

F

G

H

I

J

K

L

M

A

CO

N

P

O

SYMPTOM DIAGNOSIS

OVERHEATING CAUSE ANALYSIS

Troubleshooting Chart

INFOID:0000000000903733

Symptom

Check items

Cooling sys-
tem parts 
malfunction

Poor heat transfer

Water pump malfunction

Worn or loose drive belt

—

Thermostat stuck closed

—

Damaged 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

Fan assembly

—

High resistance to fan rota-
tion

Damaged fan blades

Damaged radiator shroud

—

—

—

Improper engine coolant 
mixture ratio

—

—

—

Poor engine coolant quality

—

Engine coolant viscosity

—

Insufficient engine coolant

Engine 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

CO-6

< SYMPTOM DIAGNOSIS >

[HR16DE]

OVERHEATING CAUSE ANALYSIS

Except cool-
ing system 
parts mal-
function

—

Overload on engine

Abusive driving

High engine rpm under no 
load

Driving in low gear for ex-
tended time

Driving at extremely high 
speed

Power train system mal-
function

—

Installed improper size 
wheels and tires

Dragging brakes

Improper ignition timing

Blocked or restricted air 
flow

Blocked bumper

—

—

Blocked radiator grille

Installed car brassiere

Mud contamination or paper 
clogging

Blocked radiator

—

Blocked condenser

Blocked air flow

Installed large fog lamp

Symptom

Check items

 

 

 

 

 

 

 

Content   ..  103  104  105  106   ..