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Grumble at various speeds and gears
I am sort of new to this forum. Tried to review previous posts with no luck.
If I missed one please guide me to it.
I have a 2000 Ford F350 with 6 speed manual and 4x4 on the dash.
Immediately after I turn truck on in idle, when down shifting to slow down, and if I step on brake pedal while slowly letting off clutch I hear a very aggressive grumble like driving over rumble strip.
I thought at first this might be a bad turbo bearing but decided it didn't match turbo spool up.
Then I thought maybe a carrier bearing but noise is present at idle at a stand still so crossed that out.
Thought maybe a pilot bushing or clutch release bearing but seeing how clutch in or out doesn't really change the grumble I figured it ain't these.
ONLY THING LEFT I CAN FIGURE IS I HAVE A BAD TRANSMISSION INPUT SHAFT BEARING.
If this is the case anyone know a good t-case and tranny pull guide I can use to get the tranny out.