
EM
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94
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ENGINE MECHANICAL
CYLINDER BLOCK
1996 LAND CRUISER (RM451U)
3.
INSPECT BEARING OF OIL PUMP DRIVE SHAFT
GEAR
Check the bearing for pitting and scratches.
If the bearing is damaged, replace the cylinder block.
4.
CLEAN PISTON
(a)
Using a gasket scraper, remove the carbon from the pis-
ton top.
(b)
Using a groove cleaning tool or broken ring, clean the pis-
ton ring grooves.
(c)
Using solvent and a brush, thoroughly clean the piston.
NOTICE:
Do not use a wire brush.
5.
INSPECT PISTON AND CONNECTING ROD
(a)
Inspect the piston oil clearance.
HINT:
There are 3 sizes of the standard piston diameter, marked ”1”,
”2” and ”3”. The mark is stamped on the piston top.
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Version 1.00 - 12/21/2010