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ENGINE 30 OVERHAUL Crankshaft - remove 1. Remove flywheel or drive plate and ring gear assembly. 2. Remove timing cover. 5. Starting at centre main bearing and working outwards, progressively slacken then remove 6. Remove 5 main bearing caps and bearing shells, retain bearings with their caps. 7. Lift out crankshaft and rear oil seal. Remove and discard oil seal. 8. Remove 5 bearing shells from cylinder block and retain in their fitted order. 9. Remove and discard side seals from rear main bearing cap. 10. Remove Woodruff key from crankshaft. Crankshaft - inspection 1. Clean crankshaft and blow out oil passages. 2. Support crankshaft front and rear bearings on vee blocks, and using a DTI, measure run-out 3. Measure each journal for overall wear and ovality. NOTE: Ovality checks should be made at ° intervals around each journal. Crankshaft main bearings are available in 0.254 mm and 0.508 mm undersizes. When fitting |