Oil Pump With Oil Pipe; Flywheel Housing; Flywheel Housing Bolt Torque - Isuzu A-4JA1 Workshop Manual

ENGINE ASSEMBLY ( 3 )
12.5±0.3
6
10
8
5
9
3
2
7
98
1
4

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
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
Oil Seal Installer: 5-8840-9057-0

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

M10x1.25 (0.39x0.05)
M12x1.25 (0.47x0.05)
M12x1.75 (0.47x0.07)
kgf·m(lb.ft/N·m)
(0.492 ± 0.012 in)
kgf·m(lb.ft/N·m)
4.6 – 6.6 (33.3 – 47.7/45.1 – 64.7)
9.6 – 11.6 (69.4 – 83.9/94.1 – 113.8)
8.8 – 10.8 (63.7 – 78.1/86.3 – 105.9)