Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Frontier 2006-2009 Approved Nissan Frontier 2009 CO
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ENGINE
A
ENGINE COOLING SYSTEM
SECTION CO CO
C
D
E
CONTENTS
QR25DE Exploded View ........................................................20
. F
Removal and Installation ........................................20
.
PRECAUTION .............................................. 3
.
THERMOSTAT AND THERMOSTAT HOUS-
G
PRECAUTIONS .................................................. 3
. ING .................................................................... 22
Precaution for Supplemental Restraint System Exploded View ........................................................22
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Removal and Installation Thermostat .....................22 .
SIONER" .................................................................. 3
. Exploded View ........................................................24
. H
Precaution for Liquid Gasket .................................... 3 . Removal and Installation Water Pump and Ther-
mostat Housing .......................................................24
.
PREPARATION ........................................... 5
. I
WATER CONTROL VALVE .............................. 26
PREPARATION .................................................. 5
. Exploded View ........................................................26
.
Special Service Tool ................................................ 5
. Removal and Installation ........................................26
.
Commercial Service Tool ......................................... 5
. J
WATER OUTLET AND WATER PIPING .......... 28
FUNCTION DIAGNOSIS .............................. 7
. Exploded View ........................................................28
.
Removal and Installation ........................................28
. K
COOLING SYSTEM ........................................... 7
.
Cooling Circuit .......................................................... 7
. SERVICE DATA AND SPECIFICATIONS
Schematic ................................................................ 8
. (SDS) ........................................................... 30
. L
OVERHEATING CAUSE ANALYSIS ................. 9
. SERVICE DATA AND SPECIFICATIONS
Troubleshooting Chart .............................................. 9
.
(SDS) ................................................................. 30
ON-VEHICLE MAINTENANCE ................... 11
. Standard and Limit .................................................30
. M
VQ40DE
ENGINE COOLANT ..........................................11
.
System Inspection .................................................. 11
. PRECAUTION ............................................. 31
. N
Changing Engine Coolant ...................................... 12
.
PRECAUTIONS ................................................. 31
ON-VEHICLE REPAIR ................................ 16
. Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- O
RADIATOR ........................................................16
. SIONER" ................................................................31
.
Exploded View ....................................................... 16
. Precaution for Liquid Gasket ..................................31 .
Removal and Installation ........................................ 16
. P
Checking Radiator .................................................. 18
. PREPARATION .......................................... 33
.
COOLING FAN ..................................................19
. PREPARATION ................................................. 33
Exploded View ....................................................... 19
. Special Service Tool ...............................................33
.
Removal and Installation (Crankshaft driven type) 19 .... Commercial Service Tool .......................................33
.
WATER PUMP ..................................................20
. FUNCTION DIAGNOSIS ............................. 35
.
Revision: October 2008 CO-1 2009 Frontier
COOLING SYSTEM .......................................... 35
. Removal and Installation (Motor driven type) ........ 48
.
Cooling Circuit ....................................................... 35
.
Schematic .............................................................. 36
. WATER PUMP .................................................. 50
.
Exploded View ....................................................... 50
.
OVERHEATING CAUSE ANALYSIS ............... 37
. Removal and Installation ........................................ 50
.
Troubleshooting Chart ........................................... 37
.
WATER INLET AND THERMOSTAT ASSEM-
ON-VEHICLE MAINTENANCE .................. 39
. BLY ................................................................... 55
.
Exploded View ....................................................... 55
.
ENGINE COOLANT .......................................... 39
. Removal and Installation ........................................ 55
.
System Inspection ................................................. 39
.
Changing Engine Coolant ...................................... 40
. WATER OUTLET AND WATER PIPING ......... 57
.
Exploded View ....................................................... 57
.
ON-VEHICLE REPAIR ............................... 44
. Removal and Installation ........................................ 57
.
RADIATOR ....................................................... 44
. SERVICE DATA AND SPECIFICATIONS
Exploded View ....................................................... 44
. (SDS) .......................................................... 59
Removal and Installation ....................................... 44
.
Checking Radiator ................................................. 46
. SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................ 59
.
ENGINE COOLING FAN .................................. 47
. Standard and Limit ................................................. 59
.
Exploded View ....................................................... 47
.
Removal and Installation (Crankshaft driven type)... 47
Revision: October 2008 CO-2 2009 Frontier
PRECAUTIONS
< PRECAUTION > [QR25DE]
PRECAUTION A
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT CO
PRE-TENSIONER" INFOID:0000000004053219
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along C
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. D
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING: E
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