Let's play, "is it the torque converter?" - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 1 (permalink) Old 06-18-2015, 03:10 AM Thread Starter
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Join Date: May 2015
Posts: 6
Let's play, "is it the torque converter?"

Hello all,
I've got a 2000 F250 with the 7.3. Got 129.5k on the clock so just getting broken in. When I bought this beast it wasn't doing so well. Have since put a new Garrett GTP38r turbo on, replaced HPO lines and gaskets, replaced radiator hoses, flushed coolant, put Amsoil into it, and about a million other small things. All in all, it's in pretty darn good shape now. Except for the fact that it sounds like a tin can rattling with marbles in it. I have read tons of info that points to the torque converter. At idle it sounds like the tin can with marbles. Once I put a small load on it, about 1200-1500 rpm, the sound goes away. Seems like the typical torque converter issue. The single plate system sucks and starts to fail. Then when it hits a small load, the torque converter locks up and sound goes away. Am I heading in the right direction? I am wondering just how long it can go like this? I am planning on doing a complete transmission rebuild soon. The reason I say this is because I am convinced that this transmission is on it's last leg. When it shifts, it shifts pretty hard. Not bone rattling but certainly not smooth and pretty like I would expect. Also, when I go from 3rd to 4th, the rpms drop and so does its capability to keep pulling hard. I have to mash on the pedal to get it to go hard. Perhaps this is normal since I still am not completely familiar with the "nature of the beast." So, do I get the torque converter changed soon or just run it till the trans dies and then build a nice, mildly upgraded trans? I appreciate your suggestions and advice guys!
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