strange noise from transmission - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 01-25-2011, 08:08 PM Thread Starter
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strange noise from transmission

i put on my 5" MBRP exhaust a couple weeks ago, and ever since then my tranny has been making a funny noise usually only at idle it sounds like something is like vibrating or something. is not the usual shudder that comes from the tranny. is it possible that i tweaked something? i did tilt the engine forward slighty when i replaced the exhaust but i can't imagine that it would do anything. i started jacking at the front of the tranny (towards the front of the truck) and jacked it about a half inch or so, but since it wasn't allowing downpipe clearance i moved the jack to the back of the tranny and jacked it up back there. any ideas on what this could be?
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post #2 of 8 Old 01-26-2011, 03:46 PM
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Something is touching the frame or body.
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post #3 of 8 Old 01-26-2011, 04:00 PM
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Check your heat shields... I know one of mine is rotted out and hitting the top of the pipe.
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post #4 of 8 Old 01-28-2011, 08:37 PM Thread Starter
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it only makes the noise at idle and any time i rev the engine and when i take off it stops, i will look for contact with the exhaust but when i put in on the only thing close to it was the shock.
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post #5 of 8 Old 01-29-2011, 03:49 PM
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Noise at idle is usually the torque converter.
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post #6 of 8 Old 01-31-2011, 10:41 PM Thread Starter
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its a manual transmission.
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post #7 of 8 Old 04-29-2011, 12:02 AM
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Have same problem with 6 speed. Goes away with clutch in. Rattles with clutch out.
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post #8 of 8 Old 04-29-2011, 04:50 AM
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I had the same thing, It was one of my exhaust clamps hitting one of the heat shields and when I accelerated it stopped/couldnt hear it


2000 DRW CC 7.3
Exterior: 08 Exterior Clone, 22.5's
Engine Mods: GTP38R WW2, 5 inch exhaust,T500, 6637, TW tunes,DI Up pipes, 6.7 fuel pump fuel system.
Trans Mods: 6.0 trans cooler, JW Valve body,Billet triple disc converter.
Sound Mods: 7" flip out tv, 3-way speakers all around, 12" sub, 500 watt amp.
Misc:dieselsite coolant filter, max ac assist, BRV, IHD,gauges, CCV

Next up power rear window
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