Volkswagen Golf/Jetta 2 manual

Crankshaft and bearings - examination and renovation
Engine repair procedures - 1.05 and 1.3 litre pre August 1985 / Crankshaft and bearings - examination and renovation

1 Examine the bearing surfaces of the crankshaft for scratches or scoring. Using a micrometer, check each journal and crankpin for ovality. Where this is found to be in excess of 0.17 mm, the crankshaft will have to be reground and undersize bearings fitted.

2 Crankshaft regrinding should be carried out by a specialist who will normally supply the matching undersize main and big-end shell bearings.

3 If crankshaft endfloat is more than the maximum specified amount, new centre main bearing shells with side flanges will have to be fitted to replace the thrustwashers. These are usually supplied together with the main and big-end bearings on a reground crankshaft.

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