Subaru Impreza 2002 Service Manual page 229

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6. CRANKSHAFT AND CRANKSHAFT

1) Clean the crankshaft completely and check for

cracks by means of red lead check etc., and re-

place if defective.

2) Measure the crankshaft bend, and correct or re-

place if it exceeds the limit.

If a suitable V-block is not available, install #1

and #5 crankshaft bearing on the cylinder

block, position the crankshaft on these bear-

ings and measure crankshaft bend using a dial

Crankshaft bend limit:

0.035 mm (0.0014 in)

3) Inspect the crank journal and crank pin for wear.

If they are not within the specifications, replace the

bearing with a suitable (undersize) one, and re-

place or recondition the crankshaft as necessary.

When grinding the crank journal or crank pin, finish

them to the specified dimensions according to the

undersize bearing to be used.

Crank pin and crank journal:

Out-of-roundness

0.020 mm (0.0008 in) or less

0.07 mm (0.0028 in)

Grinding limit

0.250 mm (0.0098 in)

CYLINDER BLOCK

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