Center Main Bearing Width - Mazda 626 MX-6 Workshop Manual

1
ASSEMBLY (CYLINDER BLOCK)
1 -60
4. Inspect the crankshaft end play.
End play:
0.08—0.18 mm (0.0031—0.0071 mm)
Maximum: 0.30 mm (0.012 in)
5. If the end play exceeds the maximum, grind the
crankshaft (Refer to page 1 —53) and install an un­
dersize center main bearing. Or replace the crank­
shaft and main bearings.
86U01X-126

Center main bearing width

Standard:
27.94—27.99 mm (1.1000—1.1020 in)
0.25 mm (0.010 in) undersize:
28.04—28.09 mm (1.1040—1.1059 in)
0.50 mm (0.020 in) undersize:
28.12—28.17 mm (1.1071—1.1091 in)
Width
0.75 mm (0.030 in) undersize:
28.20—28.25 mm (1.1102—1.1122 in)
Note
Wider thrust width is available only in under­
size center main bearing
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Pilot Bearing (MTX)
1. Apply engine oil to the outer circumference of the
bearing.
2. Set a piece of pipe (outer diameter 30—34 mm,
1.18—1.34 in) against the outer race of the bear­
ing, then tap it evenly into the crankshaft.
3. Lubricate the bearing with grease.
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Piston and Connecting Rod Assembly
1. Apply a liberal amount of clean engine oil to the
cylinder walls, piston, and rings.
2. Check the piston rings for the end gap alignment.
3. Insert each piston assembly into the cylinder block
with the " F" mark facing the front of the engine.
Use a piston installer tool (commercially available).
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