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BMW 3-Series (E90 E92) Forum
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Drain bolt over tightened.
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08-23-2018, 05:50 PM | #1 |
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Drain bolt over tightened.
Hey guys,
I overtightened the oil drain bolt now it won't come out. Am I screwed? If I can use a flat head to try to pry it out while unscrewing then replacing with a new bolt. Will that be good? No leaks so far. |
08-23-2018, 07:20 PM | #3 |
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I don't understand what do you mean it won't come out?
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08-23-2018, 07:29 PM | #4 | |
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08-23-2018, 07:30 PM | #5 |
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It turns but doesn't come out turns in one place
Last edited by bmw335d; 08-23-2018 at 08:21 PM.. |
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08-23-2018, 07:43 PM | #6 |
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08-23-2018, 07:58 PM | #8 |
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No play. It's not moving easily only with a tool
Last edited by bmw335d; 08-23-2018 at 08:18 PM.. |
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08-23-2018, 10:11 PM | #9 |
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Does it spin easily as in with fingers? Reason I ask is you mentioned about trying to pry axially while turning. What about a big fork like you use carving a roast? Spin while prying.
Other thing might be a gear puller but a bolt head will be tough to get the levers to hold under. A mechanic used this tool to separate a bearing from a Honda knuckle for me. It was a two piece device that went around the bearing shell. I wonder if there is a miniature version of this? Good luck with getting it out. Worst comes worst, drop subframe and pull the pan. I’d try 14 things before resorting to this though. |
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08-24-2018, 01:18 AM | #10 |
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Saw some sort of bulletin recently requiring BMW to update small drain plugs with larger drain plugs. Sounds like you may have some active threads, just a dance of just the right pressure, and just the right spin. Industrial strength magnet and an open end wrench? Vice grip?
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08-24-2018, 11:15 AM | #11 |
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If you have one of those panel removal tools that look like a pickle fork, wedge it between the bolt and pan. Keep it wedged under pressure against the bolt as you loosen very slowly feeling for the bolt to engage a thread in the pan. The thinner the wedging tool the better. For example, I have a piece of sheet metal about 2mm thick that's rolled into a crescent shape, forked on one end. I used it on stubborn aircraft fasteners. Good luck.
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08-24-2018, 04:31 PM | #12 | |
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10-05-2018, 09:54 AM | #14 |
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If there are no leaks and the bolt is secured, just leave it in there and buy yourself a oil extractor and do oil changes through the dipstick.
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10-18-2018, 12:39 PM | #16 |
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10-18-2018, 07:07 PM | #17 |
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