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getting that main crank bolt off!! 700

posted by  kpwall on  Thu Feb 3 14:07 CST 2005
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last visit: Sun Feb 28 04:35 CST 2010
[RELATED]

I have removed many of these bolts on the 240 series cars that have the b20f by putting a pipe cheater on the ratchet handle, or whatever you are using on the bolt, that reaches the firewall and then using the starter motor to turn the engine over and break the bolt loose. It has never failed for me. Use something to protect the fender/firewall from damage like a very large rag wedged under the pipe or something. Either disconect the coil or get ready to turn the key off IMMEDIATLY after turning the engine over as one small "hit" with the starter will loosen the bolt. I have read that some crankshafts are cast instead of forged and that if you try to re-install the bolt on these cast ones it can break the cranshaft! Then you would be totally screwed!!! So put the bolt back on carefully using a torque wrench or at least not an impact wrench!
Good Luck!






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