Classic Audi Technical Mech/Tech Bodywork, glass & exterior fitments » Rear bumper advice please

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Old 08-10-17, 09:42 PM   #1
urquattr085
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Default Rear bumper advice please

Hi all,

Removed the rear bumper from my ur yesterday ready for a bit of a tidy up.

Inevitably a couple of fixings snapped - where the bumper is fixed in the rear wheelarch (M5 cap head screws that fix into a threaded insert - part no. N 030 355 1).

I know the inserts are available online, does anyone have any advice on removing the old ones? Just a matter of drilling out the remains of the bolt and pulling the old insert out?

Any knowledge out there would be greatly appreciated, thanks in advance.
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Old 09-10-17, 07:43 AM   #2
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I used a Dremel with a mini cut off disc and chopped it off from the inside lip of the wing.
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Old 09-10-17, 08:04 AM   #3
Colin Aitchison
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There was very little good metal left on my Ur that I had to weld in a new metal strip, drilled holes to suit the inserts and new screw fixings.
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Old 09-10-17, 05:53 PM   #4
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Thanks guys.
I need to have another look (it was getting dark when I finished on Saturday) but I didn't see how I could get at the threaded fixings, they seemed to be enclosed within the lower rear arch.
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Old 09-10-17, 06:20 PM   #5
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They will be riv-nut type fixings, if you just drill them out you may end up with a hole that's too big, do you have a Dremel ? if so just carefuly take the front face off then remove from behind, that way you can use the existing hole for the replacement riv-nut (or captive nut if you prefer) and it will be as good as the old one's were when they were new.

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Old 09-10-17, 07:52 PM   #6
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Thanks mate, all kind of makes sense.
Obviously need to get a good look in decent light.
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Old 09-10-17, 08:24 PM   #7
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Quote:
Originally Posted by urquattr085 View Post
Thanks mate, all kind of makes sense.
Obviously need to get a good look in decent light.

Let me know how you get on.
Just a though, you could carefully drill whats left of the bolt out and then run a tap through the existing fixings to clean the threads up, that could be an easier way to sort it perhaps.

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Old 09-10-17, 09:20 PM   #8
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That was going to be my 1st approach and then see if I need to pull the inserts, iirc I have 4 to do
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Old 10-10-17, 01:50 PM   #9
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Quote:
Originally Posted by urquattr085 View Post
That was going to be my 1st approach and then see if I need to pull the inserts, iirc I have 4 to do

Go for it, shouldn't take long hopefuly then it's big grins for you.

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Old 10-10-17, 05:43 PM   #10
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Cheers, will let you know how I get on. Might be a couple of weeks before I get to it though.
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