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| Numpty question....Continued http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=3177 |
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| Author: | 48pop [ July 16th, 2011, 11:39 am ] |
| Post subject: | Numpty question....Continued |
OK, I know this is going to come across as a very simple, stupid question..... what size is the nut on the exhaust manifold? 10mm won't look at it and 11 is as sloppy as a sloppy thing. its a little rusty so I'm assuming its probably a worn 11mm ...... I have a pretty comprehensive tool collection both imperial and metric, but I'm finding the 2cv uses some funny sizes.... cheers gerry |
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| Author: | Russell [ July 16th, 2011, 11:47 am ] |
| Post subject: | Re: Numpty question.... |
It *was* 11mm but after years of getting hot/cold and rusting away it won't be any more. Welcome to the world of M7 and M9 threads, and 11mm bolt heads. |
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| Author: | Sean [ July 16th, 2011, 11:50 am ] |
| Post subject: | Re: Numpty question.... |
It was an 11 dont be tempted to try to un screw it itll end in tears sharp chisel and split it off. Sean |
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| Author: | 48pop [ July 16th, 2011, 3:05 pm ] |
| Post subject: | Re: Numpty question.... |
ok, so now its off.......Should I replace the studs or leave well alone? The exposed threads are knackered but obviously the bits where the nut was is fine......(this is all on the spare engine btw) |
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| Author: | Sean [ July 16th, 2011, 3:16 pm ] |
| Post subject: | Re: Numpty question....Continued |
Id be tempted to leave it. the back of the stud is exposed and so when you use the mole grips( because there isnt enough to get 2 nuts on it to lock it, alternative is to put an M8 or 10 nut over the stud and weld it up-removing the stud while the area is still hot) to turn it out you drag the corroded end through and it rips up the thread. I always have a helicoil on standby when taking the studs out. Brass M7 available from ECAS and lambretta supplies, lots of copper grease on assembly |
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