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Old 06-01-2014, 09:20 AM   #1
brk771 OP
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Broken Skid Plate Mounting Rubber/Bolt - Removal?

So I'm in a predicament. Somewhere along my path, the bolts for my skid plate were extremely overtightened. When taking it off yesterday for an oil change, I busted one of the rubber grommet thingies with the mounting stud for the skid plate. The studs on the other 3 are not in the best condition but are still functional.

Looking on the Max BMW Parts Fiche, I see that you can buy the set of 4. How do you pull off the old ones?



THANK YOU!
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Old 06-01-2014, 11:40 AM   #2
Jays-f800gs
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My skid plate is held by 3, I guess someday I'll pull the oil pan and fix it, but not too worried about it. Anti seize would be a good idea, especially on the north wet coast. :)
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Old 06-01-2014, 11:49 AM   #3
Dorito
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How broken is it?

COA 1: Old flat tip screwdriver, or a chisel, and CAREFULLY tap the edge counter clockwise to unscrew it.

COA 2: Grab with vise grips

COA 3: Use a deep well socket

PS if you don't need the long bolt, McMaster Carr is much cheaper. The are round vise hexagonal, if that matters to you.
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Old 06-01-2014, 12:27 PM   #4
brk771 OP
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One of mine is sheared completely off, with about half of the rubber still on the bike.

Do you need to pull the oil pan to fix it, or should they simply unscrew? I tried a deep well socket but it couldn't get a firm grab on it to remove it. Next try will probably be a screwdriver or vise grips as long as they simply unscrew.

Thanks for the link, Dorito!
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Old 06-01-2014, 12:58 PM   #5
Pete7874
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Wow... my skidplate mounting grommets look very twisted, but I wanted to make sure the skidplate is mounted tight. Hearing your experience, I'm wondering if I'll have a similar problem when it's time to remove it to do an oil change. I guess I'll let the dealer worry about it.

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Old 06-01-2014, 01:02 PM   #6
brk771 OP
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I suggest making a little mark on your oil filter so you know if they changed it or not. Either my dealership overtightened the crap out of the skid plate nuts or they decided to not change my oil filter on the last change due to the skid plate.
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Old 06-01-2014, 01:54 PM   #7
Dorito
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Quote:
Originally Posted by brk771 View Post
One of mine is sheared completely off, with about half of the rubber still on the bike.

Do you need to pull the oil pan to fix it, or should they simply unscrew?
It's a blind hole. You cannot access it from inside the oil pan. As such, I don't believe there is any benefit to removing the oil pan/

Time for vise grips and screwdrivers.
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Old 06-01-2014, 02:24 PM   #8
SubAtomicGenius
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You might have success with tapping CC with a fine screwdriver or chisel - or a set of vice grips. I'd also try to soak it in penetrant for a couple of hours before you try this. If that doesn't work, I'd use a center punch, carefully drill the inner-diameter of the stud out to the proper size and use an easy-out extractor. Of course, this is where having the pan off the bike would come in handy (working on a bench with a drill/drill press is easier).
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Old 06-02-2014, 05:18 AM   #9
GH41
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Nothing to it!!! Take the deep well socket you tried and grind the end of it until it is sharp and square. The bevel is keeping it from engaging the thin metal hex on the mount. Grind until the bevel is gone. Lubricating the interior of the socket with dish soap will make it easier to push over the rubber. Push up while turning the wrench. You will feel the socket engage the thin hex. Clean threads and anti seize on the bottom studs will prevent the rubber from twisting on the plate. GH
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