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Join Date: May 2005
Location: Raleigh,NC
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First 911 Project, Can't remove trans drain plug
Well for my first project on my first 911, I had intended to change the transmission fluid. After getting the car warmed up and jacking it up. I come to find out I can't remove the drain plug for the transmission (915)... I have the right 17mm hex key, but no matter how hard I try, the thing won't come loose.. And yes I remembered my righty-tighty/lefty-loosey.
Any suggestions.... this is not how I was hoping to start my diy list of projects for my car. Thanks, Johnathan
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1983 911SC Platinum Coupe 2007 Ford F150 |
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Also use heat.
Torch the surrounding area.
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'75 911S 3.0L '75 914 3.2 Honda J '67 912R-STi '05 Cayenne Turbo '99 LR Disco 2, gone but not forgotten |
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I was unable to remove the drain plug also, but I could remove the access plate directly in front of it. That was a bit messier, but drained all the oil out quite quickly.
You might want to take this opportunity to make sure the stationary fork nuts and studs are in tight. Mine came off (which is why I did the above), leaving me stuck in fifth gear. You will need a gasket for that, though.
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Mark Arvidson 1981 911SC Targa |
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oh, and make sure you can get the "fill" plug out __before__ you remove the drain
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'75 911S 3.0L '75 914 3.2 Honda J '67 912R-STi '05 Cayenne Turbo '99 LR Disco 2, gone but not forgotten |
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Get a piece of pipe with a larger ID than the Allen wrench. Use it as an extension for better leverage. Brace yourself well (or as well as possible). Worked for me a week ago.
And be sure the exhaust isn't hot . . . Ian
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'87 Carrera Cab ----- “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” A. Einstein ----- |
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Grab the allen wrench with a 17mm combination wrench. I used two hands, one on the end of the allen, one on the end of the combination wrench. Looking from the top, the ends were aligned parallel, but 180 degrees from each other. It was a very stable when to pull and push HARD.
It worked for me. Just two weeks ago. I thought about using heat. However, heating the surrounding aluminum would expand the metal, seeming (to me) to make the fit even tighter on the plug. Good luck!
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1971 RSR - interpretation |
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Heating the metal would in fact cause the hole to enlarge not shrink.
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PB Blaster before using an extension of any kind. Let it soak. Do heed the words of first being sure you can remove the fill plug...
With PB Blaster you may not need the extension. Also, a 17mm long socket placed over the end of the hex allen wrench makes a nice handle...
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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how long is the handle on a 17mm hex key anyways? i am a big fan of allen sockets. there are some nice suggestions above, btw. love em.
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If your going to be pulling that hard, I'd want her on ramps, not jackstands!
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Hugh |
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Quote:
As pwd72s said, sock it with a penetrating oil a couple of days before. Ian
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I've been trying with the 1/2" allen socket socket sold by our host. I'll try again in a couple days after I've had time to let the pb-blaster soak in, and after I've picked up a breaker bar.
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1983 911SC Platinum Coupe 2007 Ford F150 |
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PB Blaster/Heat and some tapping with a hammer has worked for me on stuck threaded fasteners.
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Tom '71 911 T Targa (Sold ![]() |
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I highly recommend an impact. Air is best, a borrowed electric one is second. I had the L shaped allen wrench and had no luck, even with a wrench on it for help. I bought the socket and put my impact on it - vrooom!
![]() This is your first project? Time to get AIR TOOLS! ![]() George |
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I actually have a nice 220v compressor and am ok impact wrench, I was just a little warry of using it on the aluminum transmission case.... is this ok to do?
Also, one a related topic. is the concensus that it's ok to support the back of the car on jack stands under the torsion bar covers? Thanks for all the help guys..
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1983 911SC Platinum Coupe 2007 Ford F150 |
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Semper drive!
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Jonathan,
That is correct. The jackstands work just fine if you position them to support the torsion bar covers. A good idea is to slip some cardboard or some other flexible yet sturdy material between the stand and the cover. Prevents scraping off the protective coating off the cover. Another safe move would be to position a tire underneath the rear of the floor pan. Always good to have the extra protection. ![]() Randy
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The handle on my Crafsman 17mm allen wrench is 7" long...But the 1/2 drive socket & breaker bar combo should work well...especially after a PB Blaster soaking. If it doesn't, somebody severely overtightened that plug... BTW guys, my '72 doesn't have the problem...both drain and fill plugs on my car take a 19mm wrench. Later on, Porsche decided to "improve" things.
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.) |
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Johnathan,
I can come up and give you a hand some time with that stuff. I am a bit S.E. of you. p.m. me your contact info if you want. Austin
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1974 911s "It smelled like German heaven" http://www.youtube.com/watch?v=6ySt9SeZl9s |
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Now in 993 land ...
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Quote:
I take my Al lugnuts off with an impact all the time. Same thing there. Al threads and a steel stud. George Last edited by aigel; 07-08-2005 at 08:59 PM.. |
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be careful! you strip that sucker and you are in a whole new ballgame. a hideous ballgame where big ugly guys hit you with sticks. better IMO not to play. make sure that allen fits perfectly.
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