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09-06-2014, 03:10 PM | #1 |
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Snapped coolant bleed screw
Any brilliant ideas out there for removing half of the coolant expansion tank bleed screw? I was flushing the radiator today, and while I was doing the final bleed, the screw snapped in half (with hardly any torque, which is awesome)....should have seen the fountain of coolant spouting up in the air! So, I'll grab a new one, but I'm having a rough time getting the old one out, without any top to it. I'd like to avoid drilling it, so I don't get a bunch of plastic shavings in my expansion tank.
Thanks.
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09-06-2014, 07:52 PM | #4 | |
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I think it is seriously annoying the amount of plastic they use in what is supposed to be a high end car. Plastic reservoir ok but plastic screw plugs..really? Nice job BMW |
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09-06-2014, 08:38 PM | #5 |
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I used a screw driver method..... +1
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09-07-2014, 09:09 PM | #6 |
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09-08-2014, 09:32 AM | #8 | |
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So the top of that left over part should look close to this:
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09-28-2014, 06:55 PM | #9 | |
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09-28-2014, 08:49 PM | #10 | |
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http://www.m3post.com/forums/showthread.php?t=886184
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09-28-2014, 08:59 PM | #11 | |
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So it looks like BMW part number 11537793373 is for the E92 bleed screw and 17111712788 is the part number for the E46 bleed screw but they are both the same.
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09-28-2014, 09:20 PM | #12 |
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Glad I could help
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01-07-2018, 05:02 PM | #13 |
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This happened to me while driving! I got the low coolant warning, pulled over and saw coolant spilled all over the engine bay. I was nervously watching my P3 guage coolant temp while driving back home.
The heated flathead screw driver method works. Here's what I did. 1. Dry off the top of the snapped screw. 2. Turn the stove on and leave the flathead screwdriver tip on the flame for 90 each side. I just picked 90 seconds as I didn't want to melt the handle. 3. Walk to the car, presuming the hood is already open of course, center the screwdriver on top of the screw and push the screwdriver in with a little force downward. You should hear a little sizzle. I left it on there for 10 seconds after the sizzle stopped. 4. Repeat step 2 and 3. Resist any temptation to unscrew it while it's hot, that would be counter productive. 5. Wait 3 mins. 6. Unscrew using the notch you just created. If you're in a pinch to get a replacement bleeder screw, your local parts shop may have the Dorman brand in stock. I used it and it fits fine. $5 for two screws with gasket. I'll be changing mine every 60k miles as preventive maintenance from now on. |
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01-01-2019, 04:54 PM | #14 |
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Sorry to bump an older thread, but thank you for the above advice, my bleeder screw head snapped today during some routine maintenance I was doing and this method worked like a charm.
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03-28-2021, 07:40 PM | #15 |
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I tried the method of heating up a screw driver but that was taking too long. I used a rubber mallet to hammer in the screw driver and that came out easily.
The Dorman screws are junk, snapped off very easily. |
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06-06-2021, 06:23 PM | #16 |
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Great thread! The heated screwdriver method worked for me as well. Heading to the dealer tomorrow to pick up two new bleeder screws. I would pick up a brass on from Turner, but they appear to be discontinued. Any idea if someone still makes them?
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06-06-2021, 06:36 PM | #17 |
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FWIW,
BMW TIS doesn't mention ever using the bleeder screw on the S65. If leaving the cap off is sufficient to BMW, it's good enough for me to avoid touching that bleeder screw.
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06-08-2021, 11:05 AM | #18 |
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It doesnt but when the system is completely empty and you dont want to run the car its easiest to crack the screw then fill the system, the bleeder screw actually lets alot of air escape and allows coolant to flow.
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06-08-2021, 11:27 AM | #19 | |
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06-14-2021, 06:40 AM | #20 | |
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06-14-2021, 11:12 AM | #21 |
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I'm slowly lining up parts to flush my system. I haven't done it before on this car. Is this screw https://www.amazon.com/AUTOHAUX-Radi.../dp/B07ZQCCJNR for both the top bleeder screw and the drain plug? Or is the drain not plastic?
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06-14-2021, 12:37 PM | #22 | |
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