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Isuzu A-4JB1 Repair Manual

Isuzu A-4JB1
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LUBRICATING SYSTEM
118
Relief Valve
1. Attach an oil pressure gauge to the oil gallery near
the oil filter.
2. Start the engine to check the relief valve opening
pressure.
Relief Valve Opening Pressure kgf/cm
2
(psi/kPa)
Oil Cooler
Water Leakage At Water Passage
1. Plug one side of the oil cooler water passage.
2. Submerge the oil cooler in water.
3. Apply compressed air (2 kgf/cm
2
(28.45 psi/196 kPa))
to the other side of the oil cooler water passage.
If air bubbles rise to the surface, there is water lea-
kage.
INSPECTION AND REPAIR
Make the necessary adjustments, repairs, and part replacements if excessive wear or damage is
discovered during inspection.
5.8 6.2 (82.49 88.18/569.0 608.2)

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Isuzu A-4JB1 Specifications

General IconGeneral
BrandIsuzu
ModelA-4JB1
CategoryEngine
LanguageEnglish

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