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  #1  
Old 08-13-2004, 02:43 PM
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Join Date: Feb 2001
Posts: 171
Smile 1998 E320 Oil Pan 13mm Bolt Impossible to Remove!

Hi all:

Not sure if anyone's having the same problem that i have, but this oil pan bolt (13mm) is just impossible to remove. I pretty much shredded the head trying to get it off. It's unbelievably tight and just won't budge. I tried using a regular 13mm wrench, then a few different models of heavy duty vises. Everything faile. Everytime i exert force on the head, the tool just slips over the edges and smudges it smooth. The bolt won't move at all.

Since i got the car serviced last at the dealership, i'm going back and complain to them for getting the bolt stuck.

My question is, is there a longer, more precise fitting tool that the dealership uses to remove the bolt? I think you need a very fitting 13mm tool with a very long handle to obtain enough cleavage to move this sucker. Since the bolt head is just way too small.

Please feel free to post your experience.

Much Obliged!

Mars
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  #2  
Old 08-13-2004, 03:16 PM
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Location: Jacksonville Florida
Posts: 724
Drain Plugs

I Have Seen SEVERAL Drain Plugs that were Over tightened...
Try a 12 point socket...and (TAP) The Head of the drain plug with a Hammer..
Several tool companies make SPECIAL sockets for rounded off bolts..
Or Try Vise grip...with a (TAP) of a Hammer
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  #3  
Old 08-13-2004, 03:19 PM
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sounds like good advice. I'll give it a shot. Thanks!
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  #4  
Old 08-13-2004, 03:54 PM
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Location: Florida / N.H.
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Always use a 6 point socket/wrench on oil plug..
Once you have rounded it , this will usually work..

http://www.sears.com/sr/craftsman/whatsnew/cr_ct_cooltooldetail.jsp?BV_UseBVCookie=Yes&vertical=TOOL&Tool_Id=45
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  #5  
Old 08-13-2004, 05:16 PM
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Join Date: Nov 2000
Location: Knoxville, TN
Posts: 1,837
The dealer uses a suction pump to remove the oil from the engine. They do not touch the drain bolt. Chances are that the drain bolt has never been removed since it was installed at the factory unless you did a DIY oil change from the drain bolt yourself. Same thing happened on my C280.
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  #6  
Old 08-13-2004, 08:19 PM
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Thumbs up

I had the same problem with my '86 300E, and I had been the one to change the oil on numerous occassions previous, so I have no idea how it got so seized. At any rate, I agree with Arthur....those tools from Sears work great! .....albiet a tad expensive just to get out one bolt! But....I know this might seem obvious, but make sure you have the replacement drain plug before you extract the old one!
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