auto trans part in pan
 

i've got a '92 gt aod auto trans.I dropped the pan to change fluid and filter and there was a plastic part just sitting in the pan.It looked like an egg sitting on a thin stick about 3 inches long and the egg part had a o-ring around it.The trans was just fine before the service and is ok after.Any ideas?

That plastic thing is a plug used to seal up the port where the oil filler tube goes.It gets popped out when the trans is put in the car and the filler tube is installed for the first time.

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92LX 5.0 Hatch,4.10 gears Auburn Pro,Mosser axels,alum drive shaft AOD hi ratio gear set,3200 stall TCI conv,MAC long tubes 2 chamber flow masters,2.5inch exhaust,331 stroker,alum GT40 heads ported,Omega 1.7 roller rockers,JE forged pistons,Eagle rods,E cam,GT40 upper/lower intake,70mm mass,73mm Pro M bullet,MSD ignition,Cartech fuel sys,30lb injectors,Vortech S trim

Thankyou very much.I wonder if it has never been serviced before or if it has did the last person just leave it in?Ahh the mysterys we get when we buy used cars!Sometimes i think a brand new car would'nt be any fun at all!

DOctor DeBo is exactly right, Ford still does this on new cars as well, i've done tranny services on new cars and have seen plenty with the plug just sitting in the pan
i guess it just keeps things from getting in the tranny when it is sitting on the assembly line waiting for install

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88 Notch, B&M Ripper, 3.73's, Ported E7's, Explorer int. w/ ported lower, pulleys, 1.7RR's, BBK headers, off-road H-pipe, flowmasters, subframes, 65mm TB, March ram air ,MSD coil, U/L control arms, 155lph f/p, Crane Adj.FPR, Nitto drag radials, best 1/4--> 13.76@101.4 on a 2.17 60ft