Reassembly - Isuzu 2000 Trooper Workshop Manual

D The "Grade" mark (1) is stamped at the position
illustrated.

Reassembly

1. Install cylinder block.
2. Install crankshaft.
D Install the main bearings to the cylinder block and
the main bearing caps.
D Be sure that they are positioned correctly.
D Apply new engine oil to the upper and lower main
bearing faces.
NOTE: Do not apply engine oil to the bearing back faces.
Legend
(1) Number 1 and 4 main bearing upper and lower.
(2) Number 2 and 3 main bearing upper.
(3) Number 2 and 3 main bearing lower.
D Carefully mount the crankshaft.
D Apply engine oil to the thrust washer.
D Assemble the thrust washer to the No. 3 bearing
journal. The oil grooves must face the crankshaft.
012RS006
3. Install rear oil seal retainer.
D Remove oil on cylinder block and retainer fitting
surface.
D Apply sealant (TB1207B or equivalent) to retainer
fitting surface as shown in illustration.
D The oil seal retainer must be installed within 5
minutes after sealant application before the sealant
hardens.
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Legend
(1) Around Bolt Holes
(2) Around Dowel Pin
ENGINE MECHANICAL 6A–83
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