Torque converter possible failure - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 12-06-2010, 08:01 AM Thread Starter
Zen
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Torque converter possible failure

Cross post from drivetrain forum, but how can you tell if your Torque converter is going bad, and

Can anyone recommend a good mechanic/shop in N. Dallas/Frisco/Plano
TX.

Thanks

Truck is starting to get undrivable especially when it is cold. tranny shifts fine, jsut has a random wierd ratteling sound out of the tailpipe, and has started shuttering /losing forward momentum now with the sound only going uphill when it is cooler here (sub 40)

2000 f250 7.3
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post #2 of 5 Old 12-06-2010, 10:23 AM
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EBPV maybe? Are you familiar with it?

Brian

'96 F250 SC, 7.3, 4x4, E40D, and it's red... and white.
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post #3 of 5 Old 12-06-2010, 10:30 AM Thread Starter
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No I am not.

I assume that has to do with exhaust. back pressure valve???
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post #4 of 5 Old 12-06-2010, 10:35 AM Thread Starter
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Just read a little on the EBPV and I don't think that is it. It sounds more like a rattle or shake than a whine or belt slipping. Also it feels more like a loss of power or slipping than a brake to me. The rattle also occurs when it is warm, just doesn't happen when driving. Only when in park.

Just in case how do I disable the EBPV? Just unplug it?
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post #5 of 5 Old 12-06-2010, 11:39 AM
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Quote:
Originally Posted by Zen View Post
No I am not.

I assume that has to do with exhaust. back pressure valve???
Yes, sir. Exhaust Back Pressure Valve, (EBPV) or Exhaust Backpressure Valve, (EBV).

Quote:
Originally Posted by Zen View Post
Just read a little on the EBPV and I don't think that is it. It sounds more like a rattle or shake than a whine or belt slipping. Also it feels more like a loss of power or slipping than a brake to me. The rattle also occurs when it is warm, just doesn't happen when driving. Only when in park.

Just in case how do I disable the EBPV? Just unplug it?
If it is malfunctioning, it will cause a loss of power. It would be like running with an engine brake on. And if it's malfunctioning, it could occur when it is warm.

Unplugging it is one option. I haven't done it myself, but I understand it is plugged in near the base of the turbo housing. Guys also remove the valve. Others manually wire it and use it as an engine brake, or manually engage it for warm-ups.

Brian

'96 F250 SC, 7.3, 4x4, E40D, and it's red... and white.
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