Torque Convertors
New User
Joined: Aug 2000
Posts: 11
Likes: 0
Torque Convertors
What are the symptoms and/or noises indicating that the torque convertor is going out? When and at what speeds do they occur? When I let off the throttle and coast, usually at 45mph or less, it seems like the torque convertor or something engages and disengages.It has a sound like the engine comes on and off a few times before staying on. Is this normal. I've been driving PSD'S for 5 years with the manual transmission so this is my first experience with the automatic. I have heard the horror stories about the bad convertors and don't want the same thing to happen and would like to catch it ahead of time. My truck is a 99 F250 SD PSD with the auto of course with 52000 on it. I just bought it so I don't know if this is normal. Any thoughts or advice is appreciated.
Junior User
Joined: Oct 2000
Posts: 65
Likes: 0
Torque Convertors
When I let off
>the throttle and coast, usually
>at 45mph or less, it
>seems like the torque convertor
>or something engages and disengages.
Your transmission has a locking torque convertor.
It sounds like it is operating normally. When the T/C starts to fail, the first signs are usually strange noises. Sometimes while parked and idling in gear they will sound like a washing machine, and other times you'll hear a rattling sound when it locks or unlocks. Hopefully you just have the new truck jitters
Alan
_____________________________
95 C350-4x4,PSD,4-Door Bronco(Huh?),49K,auto,AIC,switched glow plugs,switched TC lock-up,4.10,Banks PowerPack,straight piped,Mobile-1 gearboxes,Rotella,BFG AT's 295/75/16
>the throttle and coast, usually
>at 45mph or less, it
>seems like the torque convertor
>or something engages and disengages.
Your transmission has a locking torque convertor.
It sounds like it is operating normally. When the T/C starts to fail, the first signs are usually strange noises. Sometimes while parked and idling in gear they will sound like a washing machine, and other times you'll hear a rattling sound when it locks or unlocks. Hopefully you just have the new truck jitters
Alan
_____________________________
95 C350-4x4,PSD,4-Door Bronco(Huh?),49K,auto,AIC,switched glow plugs,switched TC lock-up,4.10,Banks PowerPack,straight piped,Mobile-1 gearboxes,Rotella,BFG AT's 295/75/16
More Turbo
Joined: Nov 2000
Posts: 715
Likes: 11
From: Erie, PA
Torque Convertors
You should have the computer scanned for and trouble codes. It could be a bad TCC sensor. That is the sensor that locks and unlocks the torque converter. You don't need to worry because the truck is still under warranty.
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