when mole grips won't work, then a stilson is the next choice.
If that doesn't work, weld a larger nut to what's left of the old bolt head.
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I read often, only post occasionally
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Hi Pugugly,
Thats just the answer i was looking for thanks very much, i Googled it and still couldnt find anything like that! Cheers.
Spikeyhead, thanks for that also, will try the stilson route first, i don't fancy heating up the oil sump area via welding... sounds dangerous!
Thanks again, much appreciated.
Leo182.
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Regarding the sump plug, other options include using a stud extractor (if you can find one big enough) or grinding/filing 2 flats on the faces before using a large adjustable. Before going any further though, get some heat on it (blowtorch or similar) as it's steel into aluminium and:
a/ will probably have seized
b/ due to differential expansion rates heating will be quite effective (just don't overdo it!)
As a last resort, if you support the engine on a jack, release the (as looking from the front of the car) left hand engine mount and drop the engine down, you should get access to drill into the sump plug and use an Eeezi Out or similar - as big as possible.
JC
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