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#1
09-14-2006, 06:48 PM
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Stuck/Stripped Bolts
I am in the middle of replacing the water pump on my 95 C280 and I am having big trouble with the 6mm hex recessed hex bolts that hold it on to the motor. They were stripped before I started trying to get them out with 6mm and 5.5mm hex keys and now they are pretty much circles. The location of these bolts and now this situation I can't seem to think of anything that will work to get these bolts out. I am stuck at this point and very much need ideas on how to get stuck bolts out (and yes I have searched the forums).
CypressKB@hotmail.com
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95 C280 
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#2
09-14-2006, 08:36 PM
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In these cases, I have been able to pound an appropriately sized socket over the outside of the bolt then turn them out. I have stripped many allen bolts and if you can get the socket jammed on then it works like a champ.
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I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k
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#3
09-14-2006, 09:05 PM
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I assume you mean "allen" head bolts, I've found that sometimes you can hammer an appropriately sized Torx bit into rounded out allens and get then turning that way.
Gilly
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Click here to see a photo album of my '62 Sprite Project Moneypit (Now Sold)
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#4
09-14-2006, 09:21 PM
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Auto zone sells a pretty cheap easy-out that fits a 3/8 drive. If you can get to the bolts, you place the closest size on to the bolt head, and back the bolt out with a ratchet or breaker bar. They come in a set and I think I paid around $19.00 or $20.00 for my set, and they've already paid for themselves several times! I've even wedged them on to an Allen head.
 http://www.sjdiscounttools.com/kd3537.html
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Bryan 93 300E 200k 93 Saab 900s 130k 84 Saab 900turbo 57k 85 Saab 900turbo 159k Last edited by Bryan; 09-14-2006 at 09:38 PM.
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#5
09-14-2006, 10:14 PM
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Quote:
or Socket Head Cap Screw, whichever you perfer. Very commonplace in the industery.
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-1983 VW Rabbit LS Diesel (5speed, VNT/Giles build)
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#6
09-15-2006, 10:33 AM
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bolts
gilly is right,easiest way to remove stripped allen head bolts is to buy set of torx or 12 point star male sockets and pick the one that will drive into the rounded hole.those bolts are only 8.8 grade and will be soft enough to allow driving in.
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David S Poole European Performance Dallas, TX 4696880422 "Fortune favors the prepared mind" 1987 Mercedes Benz 420SEL 1988 Mercedes Benz 300TE (With new evaporator) 2000 Mercedes Benz C280 http://www.w108.org/gallery/albums/A...1159.thumb.jpg
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#7
09-15-2006, 11:11 AM
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Listen to these guys about the Torx bits. There's a reason I keep a full set in my toolbox, long after the days of having driven GM vehicles. If a pounded Torx won't get it out, nothing will.
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08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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