2007 ISUZU KB P190 Workshop Repair Manual

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Page 1521 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1) 6A-161
Oil Pressure SW
Components

RTW 76AMF000401
Legend 1. Cylinder Block
2. Gasket
3. Nipple; Oil Pressure W arning SW 4. Oil Pressure

Page 1522 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6A-162 ENGINE MECHANICAL (4JK1/4JJ1)
Removal
1. Remove the oil pressure SW .
2. Remove the nipple; oil gallery.
3. Remove the nipple; oil pressure warning SW and gasket.
Inspection
Check

Page 1523 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE MECHANICAL (4JK1/4JJ1) 6A-163
Air Cleaner Element
Removal
1. Remove the air cleaner cover fixing clip.
2. Remove the air cleaner element assembly.
Cleaning
Dry type element
• Rota

Page 1524 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING (4JK1/4JJ1) 6B-1
SECTION 6B
ENGINE COOLING
TABLE OF CONTENTS

Main Data and Specifications ............................. 6B-2
General Description................................

ENGINE COOLING (4JK1/4JJ1) 6B-1
SECTION 6B
ENGINE COOLING
TABLE OF CONTENTS

Main Data and Specifications ............................. 6B-2
General Description............................................ 6B-3 Coolant Flow ................................................... 6B-3
W ater Pump .................................................... 6B-4
Thermostat ...................................................... 6B-4
Radiator ........................................................... 6B-5
Antifreeze Solution .......................................... 6B-5
Diagnosis............................................................ 6B-6
Draining and Refilling Cooling System ............... 6B-7
W ater Pump ....................................................... 6B-8 Removal .......................................................... 6B-8
Inspection and Repair ..................................... 6B-9
Installation ....................................................... 6B-9
Thermostat ......................................................... 6B-11 Removal .......................................................... 6B-11
Inspection and Repair ..................................... 6B-11
Operating Test of Thermostat ......................... 6B-11
Installation ....................................................... 6B-12

Radiator .............................................................. 6B-13 Radiator and Associated Parts........................ 6B-13
Removal .......................................................... 6B-14
Inspection and Repair ..................................... 6B-15
Radiator Cap ................................................... 6B-15
Radiator Core .................................................. 6B-15
Flushing the Radiator ...................................... 6B-15
Cooling System Leakage Check ..................... 6B-15
Installation ....................................................... 6B-16
Engine Coolant Change .................................. 6B-16
Fan Clutch with Cooling Fan .............................. 6B-17 Inspection and Repair ..................................... 6B-17
Special Tools................................................... 6B-18

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ISUZU KB P190 2007

Page 1525 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6B-2 ENGINE COOLING (4JK1/4JJ1)
Main Data and Specifications
Description Item
M/T A/T
Cooling system
W ater pump type
Pump to crankshaft speed ratio (To 1)
Delivery volume lit (US/UK ga

Page 1526 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING (4JK1/4JJ1) 6B-3
General Description
Coolant Flow

RTW 76BLF000301

The engine cooling system consists of the radiator, the
water pump, the cooling fan, and t

Page 1527 of 6020

ISUZU KB P190 2007 Workshop Repair Manual 6B-4 ENGINE COOLING (4JK1/4JJ1)
Water Pump

RTW 56BSF000101
A centrifugal type water pump forcefully circulates the
coolant through the cooling system.

The water pump is not a disas

Page 1528 of 6020

ISUZU KB P190 2007 Workshop Repair Manual ENGINE COOLING (4JK1/4JJ1) 6B-5
Radiator
The radiator is a tube type with corrugated fins. In order
to raise the boiling point of the coolant, the radiator is
fitted with a cap in which the valve

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