Index Infiniti Infiniti Q45 - service repair manual 2006 year
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Infiniti Q45. Manual - part 277
CO-1
ENGINE COOLING SYSTEM
B ENGINE
CONTENTS
C
D
E
F
G
H
I
J
K
L
M
SECTION
CO
A
PRECAUTIONS .......................................................... 2
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN-SIONER” .................................................................. 2
PREPARATION ........................................................... 3
Special Service Tools ............................................... 3Commercial Service Tools ........................................ 3
OVERHEATING CAUSE ANALYSIS .......................... 4
Troubleshooting Chart .............................................. 4
COOLING SYSTEM .................................................... 6
Cooling Circuit .......................................................... 6System Chart ........................................................... 7
ENGINE COOLANT .................................................... 8
Inspection ................................................................. 8
CHECKING ENGINE COOLANT LEVEL .............. 8CHECKING COOLING SYSTEM FOR LEAKS ..... 8
Changing Engine Coolant ........................................ 8
DRAINING ENGINE COOLANT ........................... 8REFILLING ENGINE COOLANT .......................... 9FLUSHING COOLING SYSTEM ......................... 10
RADIATOR .................................................................11
Removal and Installation .........................................11
REMOVAL ............................................................11INSTALLATION ................................................... 12CHECKING RADIATOR CAP .............................. 12CHECKING RADIATOR ...................................... 13
RADIATOR (ALUMINUM TYPE) .............................. 14
Disassembly and Assembly ................................... 14
PREPARATION ................................................... 14DISASSEMBLY ................................................... 14ASSEMBLY ......................................................... 15INSPECTION ...................................................... 17
COOLING FAN .......................................................... 18
Removal and Installation ........................................ 18
REMOVAL ........................................................... 18INSTALLATION ................................................... 18
Disassembly and Assembly .................................... 19
DISASSEMBLY ................................................... 19INSPECTION AFTER DISASSEMBLY ................ 19ASSEMBLY ......................................................... 19
WATER PUMP .......................................................... 20
Removal and Installation ........................................ 20
REMOVAL ........................................................... 20INSPECTION AFTER REMOVAL ....................... 20INSTALLATION ................................................... 20INSPECTION AFTER INSTALLATION ................ 21
THERMOSTAT AND WATER CONTROL VALVE .... 22
Removal and Installation ........................................ 22
REMOVAL ........................................................... 22INSPECTION AFTER REMOVAL ....................... 23INSTALLATION ................................................... 23INSPECTION AFTER INSTALLATION ................ 24
SERVICE DATA AND SPECIFICATIONS (SDS) ...... 25
Standard and Limit .................................................. 25
CAPACITY ........................................................... 25RADIATOR .......................................................... 25THERMOSTAT .................................................... 25WATER CONTROL VALVE ................................. 25