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8th June 2022, 20:57 | #1 |
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Rover 75 Saloon. Pre Production. Join Date: Jun 2021
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Rounded Bolt Heads !
I am trying to remove the rear caliper carrier but the two 13mm bolt heads are nasty and rounded and a hex socket will not grip. Does anyone have any tips to get them out ? before i resort to drastic action ! Thanks.
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8th June 2022, 21:14 | #2 |
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Get yourself a set of Irwin's bolt removers 😎
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8th June 2022, 21:18 | #3 |
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Not familiar with them but they sound useful, i will google them now, many thanks.
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8th June 2022, 21:32 | #4 |
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Yes they can be a real pain when they corrode it's not helped by the lack of room to get some sockets in.
If they're not too bad I use a 1/2" hex socket instead as it's a tighter fit than 13mm Russ
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8th June 2022, 21:33 | #5 | |
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Quote:
https://www.ebay.co.uk/itm/403480398...kAAOSwrlliDiD1 I have several different rounded off nut/bolts sockets. 1 2 3 4
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8th June 2022, 21:58 | #6 |
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Thanks Russ i will try a 1/2" socket in the morning. That is quite a collection there Arctic, I am surprised at myself not already owning some of these considering i have been restoring classic cars for the last 30 years . I do sometimes weld a big nut over a damaged one but i didnt really want to resort to that on the 75 as it seems a bit too brutal on such a lovely car ! I'll save that for my Ferguson tractors !
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9th June 2022, 16:20 | #7 |
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I have the same problem, bolt heads totally rounded. Garage have had really good go at trying to get off - heating, bolt removers the lot. Not going to budge, bit drastic but does this mean it’s the trailing arm off, and/or does the rear hub carrier (which I assume the brake carriers bolt on to) come apart? If not then it’s a replacement arm (extreme for 2 x 13mm bolts)!
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9th June 2022, 16:52 | #8 | |
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Quote:
Often, if you weld a bigger nut on then the heat transfer during the welding will break the corrosion, and once the bolt is cold it will move more easily. And lastly try using freezing penetrating spray on the bolt - even if it can't penetrate the threads it might cool the bolt down enough to shrink it a tad and assist with it starting to move. |
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9th June 2022, 17:57 | #9 |
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A lot of useful tips here filed away for future use.
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9th June 2022, 18:05 | #10 | |
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Quote:
There certainly isn't a great deal of access, and it will take a decent amount of time and patience, but most likely less time and cost that removing the trailing arm I would have thought. |
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