A22 ENGINE ASSEMBLY II
Crankshaft and Bearing Inspection
1. Inspect the crankshaft journal surfaces and
the crank
pin surfaces for excessive wear and
damage.
2. Inspect the oil seal fitting surfaces of the
crankshaft
front and rear ends for excessive wear and
damage.
3. Replace or repair the crankshaft if any excessive
wear or damage is discovered.
4. Inspect the crankshaft oil ports for obstructions.
5. Use high pressure air to clean the oil ports if neces-
sary.
Crankshaft Journal and Crankpin Outside Diameter
1. Use a micrometer to measure the crankshaft journal
outside diameter across points @ - @ and @ - 0.
2. Use the micrometer to measure the crankshaft jour-
nal outside diameter at the two points <@ and @).
3. Repeat steps 1 and 2 to measure the crankshaft out-
side diameter.
mm (in)
1 68 Engines only [ Position at (
Standard
I
Center
79.905-79.925
Crankshaft Journal
Bearing Only
(3.1459-3.1467)
Diameter
Other
79.919-79.939
Bearings
(3.1464-3.1472)
mm (in)
1 4B Engines only 1 Position at
1 Standard 1
Crankshaft Journal
All Bearings
79.905-79.925
Diameter
(3.145%3:1467)
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