2007 ISUZU KB P190 Workshop Repair Manual

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Page 3185 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–50

When removing, transporting or installing the
fan and shroud assembly, do not grasp the
assembly by the fan rings (1) as this may
bend the fan mo

Page 3186 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–51

Disassemble
1 Remove cooling fan and shroud assembly as previously described.
NOTE
Neither fan is to be separated from its fan motor.
The assembly

Page 3187 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–52

2 Disconnect the transmission cooler pipes from the
transmission.
• Release the verifier disk (2) by pulling back with
the fingers, then slide b

Engine Cooling – V6 Engine Page 6B1–52

2 Disconnect the transmission cooler pipes from the
transmission.
• Release the verifier disk (2) by pulling back with
the fingers, then slide back down the cooler line
(1).
• Open the cooler line release tool J-41623-B and
slip over cooler line to be disconnected from the
transmission, above the verifier disk (2), as
shown.
• Slide the release tool along the line to engage
with the quick-connect fitting.
• W hile pushing inwards, rotate the tool about one
sixth of a turn to release the spring clip holding
the line.
• W ith the release tool held in this position, pull
back on the cooler line to release.
• Repeat this process with the remaining line and
quick-connect fitting.
3 Plug both pipe openings and hoses to minimise fluid loss and prevent foreign matter entry.
Figure 6B1 –
––
–
59
4 Disconnect the transmission cooler hose/line assemblies from the radiator quick connect fittings as
follows:
• Pull back the verifier disc (1) from the quick
connect fitting (2) and slide it back along the line.
• Open the release tool, Tool No J-41623-B (3),
slip it over the cooler line to be disconnected
from the radiator, ahead of the verifier disc.
• Slide the release tool along the cooler line and
engage it with the quick-connect fitting (2).
• W hile pushing inwards, rotate the release tool
clockwise, about one sixth of a turn to release
the spring clip holding the cooler line.
• W ith the release tool held in this position, pull
back on the cooler line to release it.
• Plug the openings to prevent fluid loss and/or
contamination.
• Repeat the procedure to remove the remaining
cooler line.
NOTE
If the spring clip and/or O-ring seal in the quick-
connect fitting is damaged during the removal
process, the complete fitting must be replaced.
5 Unclip the outlet cooler line (4) from the radiator fan shroud (5).
Figure 6B1 –
––
–
60

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ISUZU KB P190 2007

Page 3188 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–53

NOTE
Should the spring clip or the O-ring seal in the
quick connect fitting be damaged during the line
removal process, then the complete fitting mu

Engine Cooling – V6 Engine Page 6B1–53

NOTE
Should the spring clip or the O-ring seal in the
quick connect fitting be damaged during the line
removal process, then the complete fitting must
be replaced.
Reinstall
1 Remove the plugs installed in the transmission cooler line and hose openings and wipe all exposed parts
with a clean shop rag.
• Smear clean automatic transmission fluid on
each cooler line end, then push into the radiator
quick connect fittings. As a security check gently
pull on the connector to ensure correct
engagement.
• As a security check, push and clip each
verification disc into place over the quick-
connect fittings. If difficulty is experienced,
repeat the installation process until the
verification disc can be clipped into place over
the radiator quick-connect fitting.

If the verifier disc does not clip into place,
the quick-connect fitting is not engaged,
rectify this before proceeding.
• Snap the outlet cooler line (4) in the clip (5) of
the radiator fan shroud
• At the transmission end, again clean the line
ends and proceed as detailed in step 2. As a
further security check ensure that each
verification disc can be pushed into place over
the quick connect fitting. If difficulty is
experienced, then the line has not been
completely installed. Remove and repeat the
installation process again until the verification
disc can be clipped into place over the
transmission quick connect fitting
• Ensure that all line clamps are fitted correctly
and that the lines and hoses are correctly routed
and free of obstructions
• Tighten the screw attaching the cooler lines
bracket to the correct torque specifications
• If required, top up the transmission fluid level
(cold)
• Start the engine and check for any fluid leak at
the fittings. If a leak is found, stop the engine
and rectify the leak
Figure 6B1 – 61

Transmission cooler lines bracket
attaching screw torque specification ..................23.0 Nm

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ISUZU KB P190 2007

Page 3189 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–54

3.15 Radiator
Remove

Refer to 3.1 Service Notes in this Section, for
important safety items.
1 Allow engine to cool to ambient temperature (less

Page 3190 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–55

Figure 6B1 – 63
Legend
1 Radiator Hose – Upper
2 Radiator Hose – Lower
3 Hose Clamp – Upper Hose to Engine Outlet Housing 4 Hose Cla

Page 3191 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–56

Reinstall
Installation of the radiator is the reverse of removal procedures, noting the following points:
1 Before installing radiator, inspect core

Page 3192 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Engine Cooling – V6 Engine Page 6B1–57

Radiator Repair Procedure
Repairable Leaks

Figure 6B1 – 64
Legend:
1 Left-hand Side Tank Seal
2 Core Tubes
3 Right-hand Side Tank Seal 4 O

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