Isuzu 4LE2 Workshop Manual page 601

1B-192 Mechanical (4LE2)
・ Temporarily tighten the U-bolts to the
integrated oxidation catalyst silencer with nut
B.
tightening torque： 5 N・m { 0.5 kgf・m / 44 lb・in }
Caution：
・ Temporarily tighten so that the U-bolt
protrusion amounts are even in the front and
rear of the integrated oxidation catalyst
silencer.
・ Install so that the U-bolts are not tilted.
1. U-bolt
2. Nut A
3. Nut B
5. Securely tighten the U-bolts to the integrated
oxidation catalyst silencer.
Note：
・ Securely tighten the U-bolts after settling the
entire integrated oxidation catalyst silencer.
・ Tighten nut A and securely tighten.
tightening torque： 25 N・m { 2.5 kgf・m / 18 lb・ft }
6. Securely tighten the exhaust pipe to the turbocharger
assembly.
tightening torque： 24 N・m { 2.4 kgf・m / 18 lb・ft }
7. Securely tighten the integrated oxidation catalyst
silencer to the exhaust pipe.
tightening torque： 24 N・m { 2.4 kgf・m / 18 lb・ft }
8. Securely tighten the support bracket to the silencer
bracket.
tightening torque： 24 N・m { 2.4 kgf・m / 18 lb・ft }
5. Turbocharger heat protector installation
1. Install the turbocharger heat protector to the
turbocharger.
tightening torque： 27 N・m { 2.8 kgf・m / 20 lb・ft }
M8
tightening torque： 10 N・m { 1.0 kgf・m / 89 lb・in }
M6
6. Flywheel installation
1. Apply engine oil to the bolt.
Note：
・ Apply to the seat surface and the threaded
portion of the flywheel mounting bolts.
1. Engine oil application area
2. Install the flywheel to the crankshaft.
Note：
・ Gradually tighten the mounting bolts in the
order shown in the diagram.