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A518 transmission no reverse bad servo? 92 ram

Posted By: ejtmopar

A518 transmission no reverse bad servo? 92 ram - 10/14/09 07:57 PM

Just pulled the pan off the truck to investigate the no reverse problem. Found the reverse servo was broken and the lip seal was pushed down.. See pic. Seems to me that might be my problem. Truck is a 92 W150 and it lost reverse just all of a sudden. All forward gears seem to be fine. What do you guys think?

Attached picture 5545038-008.JPG
Posted By: stumpy

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:00 PM

That's your problem and not all that unusual.
Posted By: ejtmopar

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:06 PM

Where can i get a replacement? Do they make an updated version so that might not happen again? Here is a better shot of the servo.

Attached picture 5545055-395.JPG
Posted By: John_Kunkel

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:15 PM


Check the transmission/differential section of the swap meet forum for a billet piston, spring and retainer.
Posted By: ejtmopar

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:22 PM

Thanks for the tip!
Posted By: feets

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:26 PM

You can check local transmission shops too. I'm in the middle of building my 518. All of my parts came from Transtar.
Posted By: 70AARcuda

Re: A518 transmission no reverse bad servo? 92 ram - 10/14/09 08:40 PM

sonnax makes upgraded replacement parts...although they are nothing like the billet ones...but nice to see alternatives to the stock parts

http://www.transmissionpartsusa.com/A518_A618_46RH_46RE_47RE_transmission_parts_s/61.htm
Posted By: ejtmopar

Re: A518 transmission no reverse bad servo? 92 ram - 10/25/09 10:59 PM

Got it back together today. Everything went in way better than expected! And best of all Ive got reverse! thanks for the help!
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