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Isuzu A-4JB1 Repair Manual

Isuzu A-4JB1
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ENGINE ASSEMBLY ( 3 )
12. Oil Pump with Oil Pipe
Install the oil pump with the oil pipe and tighten the
bolts to the specified torque.
Oil Pump Bolt Torque kgf·m(lb.ft/N·m)
1.4 2.4 (10.1 17.3/13.7 23.5)
Note:
Take care not to damage the O-rings when tightening
the oil pipe bolts.
13. Crankshaft Rear Oil Seal
1) Apply engine oil to the oil seal lip circumference
and the oil seal outer circumference.
2) Use the oil seal installer to install the oil seal to
the cylinder body.
Oil Seal Installer: 5-8840-0141-0
13. Crankshaft Rear Oil Seal (Axial Type)
1) Tighten the adapter to the crankshaft rear and
section with 2 bolts.
2) Insert the oil seal into the peripheral section of
adapter.
3) Insert the sleeve into the adapter section, and 1)
tighten it with a bolt (M12 x 1.75L = 70) until the
adapter section hits the sleeve.
4) Remove the adapter and the sleeve.
5) With the seal pressed in, check the dimension of
the oil seal section.
Standard Dimension = 12.5 ± 0.3 mm
(0.492 ± 0.012 in)
Oil Seal Installer: 5-8840-9057-0
12.5±0.3
14. Flywheel Housing
1) Apply sealant to the shaded area shown in the
illustration.
2) Tighten the flywheel housing bolts to the speci-
fied torque a little at a time in the sequence
shown in the illustration.
Flywheel Housing Bolt Torque kgf·m(lb.ft/N·m)
M10x1.25 (0.39x0.05) 4.6 6.6 (33.3 47.7/45.1 64.7)
M12x1.25 (0.47x0.05) 9.6 11.6 (69.4 83.9/94.1 113.8)
M12x1.75 (0.47x0.07) 8.8 10.8 (63.7 78.1/86.3 105.9)
7
4
2
1
3
5
6
8
9
10
98

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Isuzu A-4JB1 Specifications

General IconGeneral
BrandIsuzu
ModelA-4JB1
CategoryEngine
LanguageEnglish

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