2007 ISUZU KB P190 Workshop Repair Manual

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Page 2113 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING 6B-9
Thermostat

Removal
1. Disconnect battery ground cable.
2. Drain engine coolant from the radiator and engine.

ENGINE COOLING 6B-9
Thermostat

Removal
1. Disconnect battery ground cable.
2. Drain engine coolant from the radiator and engine.
3. Disconnect radiator hose from the inlet pipe.
4. Remove thermostat housing.
5. Remove thermostat from thermostat housing.
Inspection
Suspend the thermostat in a water-filled container using thin
wire. Place a thermometer next to the thermostat.
Do not directly heat the thermostat.
Gradually increase the water temperature. Stir the water so
that the entire water is same temperature.
Confirm the temperature when the valve first begins to open.
Valve opening temperature 92 °
°°
°
C (197.6 °
°°
°
F)
Confirm the temperature when the valve is fully opened.
Valve full open temperature 107 °
°°
°
C(224.6 °
°°
°
F)
Make necessary repair and parts replacement if extreme wear
or damage is found during inspection.
Installation
1. Before installing thermostat, coat sealing surface with
silicon grease.
2. Install O-ring.
3. Install thermostat housing and tighten bolts to the specified torque.
Torque: 15 N ⋅
⋅⋅
⋅
m (1.5 kgf ⋅
⋅⋅
⋅
m)
4. Installation rubber hose.
5. Replenish engine coolant (EC).
6. Start engine and check for EC leakage.

Fan Clutch with Cooling Fan
Inspection and Repair
Make necessary correction or parts replacement if wear,
damage or any other abnormal condition are found through
inspection.

Visually inspect for damage, leak (silicon grease) or other
abnormal conditions.
1. Inspection (on-vehicle)
1) Turn the fan clutch by hand when in a low temperature condition before starting the engine, and confirm that it
can be turned readily.
2) Start the engine to warm it up until the temperature at the fan clutch portion gets to around 80 °C. Then stop the
engine and confirm that the fan clutch can be turned with
considerable effort (clutch torque) when turned by hand.

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ISUZU KB P190 2007

Page 2114 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6B-10 ENGINE COOLING
If the fan clutch rotates more readily, however, this indicates that the silicon grease is leaking internally.
Replace the fan clutch with a new one.

2. Inspection (i

Page 2115 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING 6B-11
Radiator
Radiator and Associated Parts

Legend
1 Radiator Hose
2 Drain Plug
3 Fan Guide, Lower
4 Fan Guide
5 Bracket 6 Reserve Tank Hose
7 Reserve Tank
8 Radiat

Page 2116 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6B-12 ENGINE COOLING

Inspection
Radiator Cap
Measure the valve opening pressure of the pressurizing valve
with a radiator filler cap tester.
Replace the cap if the valve opening pressure is

Page 2117 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING 6B-13

Installation
1. Install radiator assembly, taking care not to damage theradiator core.
2. Install the radiator assembly.
3. Connect reserve tank hose.
4. Connect radi

Page 2118 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6B-14 ENGINE COOLING
SPECIAL SERVICE TOOL
ITEM NO. ILLUSTRATION PART NO. PART NAME

1

5-8840-0277-0

Tester; radiator cap

2

5-8840-2603-0

Adapter; radiator cap

BA

Page 2119 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE FUEL (C24SE) 6C-1
SECTION 6C
ENGINE FUEL (C24SE)
TABLE OF CONTENTS

General Description ............................................. 6C-2
Service Precaution ...........................

ENGINE FUEL (C24SE) 6C-1
SECTION 6C
ENGINE FUEL (C24SE)
TABLE OF CONTENTS

General Description ............................................. 6C-2
Service Precaution ............................................... 6C-3
Fuel Metering ......................................................... 6C-4
Fuel Filter ................................................................ 6C-5
Removal ............................................................... 6C-5
Inspection ............................................................ 6C-6
Installation ........................................................... 6C-6
Inspection ............................................................ 6C-6
In-Tank Fuel Filter ............................................. 6C-6
Fuel Pump Flow Test ........................................ 6C-7
Fuel Pump ............................................................... 6C-8
Fuel Pump and Associated Parts .................. 6C-8
Removal ............................................................... 6C-8
Installation ........................................................... 6C-9
Fuel Tube / Quick - Connector Fittings ........... 6C-10
Precautions ......................................................... 6C-10
Cautions During Work ...................................... 6C-10

Removal .............................................................. 6C-10
Reuse of Quick-Connector ............................. 6C-11
Assembling Advice ........................................... 6C-11
Fuel Pump Relay ................................................... 6C-12
General Description ......................................... 6C-12
Fuel Tank ................................................................ 6C-13
Fuel Tank and Associated Parts ................... 6C-13
Removal .............................................................. 6C-14
Installation .......................................................... 6C-14
Filler Neck .............................................................. 6C-15
Removal .............................................................. 6C-15
Installation .......................................................... 6C-15
Fuel Gauge Unit .................................................... 6C-15
Removal and Installation ................................ 6C-15
Fuel Filler Cap ....................................................... 6C-16
General Description ......................................... 6C-16
Inspection ........................................................... 6C-16
Main Data and Specifications ............................ 6C-17
Special Tool ........................................................ 6C-18

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ISUZU KB P190 2007

Page 2120 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6C-2 ENGINE FUEL (C24SE)
General Description

*
**

* Applicable to EVAP Emission Control System
** Not applicable to EVAP Emission Control System

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