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LP Engine G430(3.0L) Base Engine Service Procedure
8. Inspect the crankshaft bearings for improper
seating indicated by bright, polished sections of the
bearing.
• If the lower half of the bearing is worn or
damaged, both the upper and lower halves must
be replaced.
9. Measure the crankpins for out-of-round, taper or
undersize with a micrometer. Refer to Engine
Mechanical Specifications.
10. Support the crankshaft front and rear journals on
V-blocks.
11. Measure the crankshaft run-out at front and rear
intermediate journals with J 7872. Refer to Engine
Mechanical Specifications.
12. Replace or recondition crankshaft if measurements
are not within specifications.
VE050-3L
VE049-3L
VE048-3L