Cat studs - Alfa Romeo Forum
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Cat studs

Some wierd stuff was suggested when I typed in cat!

Anyway, whilst removing bits of car from my gearbox this week I had to cut one of the nuts of the cat (getting wierder). This means that on one side I've got the full stud but on the other the stud is cut off flush with the downpipe so I can't get a nut on it. A nut and bolt would replace it quite neatly but I can't budge the remains of the stud. I've hammered it and it won't shift.

any suggestions on how to shift it or am I going to have to drill it out?
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Just drill it and bolt it!

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Drilling it out is going to be the best way to be honest.
I had to do this on the rear bank's downpipe on my V6 - whilst you are cursing at your car when drilling out the stud, remember, you could be trying to do this on a V6!

(It was the upper-most bolt, and someone had already done this in the past, so it was near impossible to get the now spinning bolt out. 2 hours later - job done!)
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