Isuzu A-4JB1 - Intake Manifold

ENGINE ASSEMBLY ( 3 )
105
1. Intake Manifold
Install the intake manifold gasket with the end hav-
ing the sharp corners facing the front of the engine.
2. Injection Pump
1) Turn the crankshaft slowly clockwise to align the
camshaft timing check hole pointer 1 with the
camshaft timing gear “O” mark 2 .
1
2
2) Install the injection pump to the timing gear
case.
Align the injection pump timing check hole
pointer 3 with the timing gear “O” mark 4 .
3) Temporarily tighten the injection pump bracket
bolt 5 .
This bolt will be finally tightened after the injec-
tion pump rear bracket bolts 6 .
3
4
4) Tighten the injection pump rear bracket bolts to
the specified torque 6 .
Injection Pump Rear Bracket Bolt
Torque kgf·m(lb.ft/N·m)
1.4 –2.4 (10.1 – 17.3/13.7 – 23.5)
5) Tighten the injection pump bracket bolt 5 to the
specified torque.
Injection Pump Bracket Bolt Torque kgf·m(lb.ft/N·m)
1.4 –2.4 (10.1 – 17.3/13.7 – 23.5)
5
6
6
Important Operations (Reassembly Steps-3)