1999 v10 automatic trans shifting problems

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May 28, 2011 | 06:07 PM

blackwellsgamefowl

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1999 v10 automatic trans shifting problems

i have a 1999 f350 4x4 sd with the v10... truck has around 180k on it and im havin some shifting probs... when the truck shifts into 3rd the rpms drop to 1500 and the truck shakes if i take it out of overdrive it shifts normal. any suggestions on whts wrong..... oh and its an automatic trans....

May 28, 2011 | 10:47 PM

wizardsr

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Quote:

Originally Posted by blackwellsgamefowl

Original 4r100 trans with 180k? Count your blessings!

May 28, 2011 | 10:58 PM

mwsmith100

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Why?

Quote:

Originally Posted by wizardsr

Original 4r100 trans with 180k? Count your blessings!

what is the typical failure mode on those trans? I'm about 45K miles away from 180K

May 29, 2011 | 09:41 AM

Mark Kovalsky

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From: SE Florida

I think you have an engine miss.

May 29, 2011 | 10:13 AM

Franko72

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Quote:

Originally Posted by mwsmith100

what is the typical failure mode on those trans? I'm about 45K miles away from 180K

I got 230+k out of one, 240+k out of another 4r100, both in trucks that pulled trailers for most of those miles.

May 29, 2011 | 06:41 PM

blackwellsgamefowl

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thanks for the info i had a guy tell me it was somthing called a torque lockout sensor or something of that nature. but i wasnt sure. any more info on how to fix it would be great. im a fix it myself kinda guy if i can.

May 30, 2011 | 11:08 AM

Mark Kovalsky

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From: SE Florida

I've never heard of anything like a torque lockout sensor. I think it's an engine miss, either a coil or a spark plug.

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May 31, 2011 | 06:36 PM

dkf

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Just out of curious when the last time the truck had the spark plugs and boots changed?

May 31, 2011 | 08:39 PM

#10

Mark Kovalsky

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From: SE Florida

Quote:

Originally Posted by blackwellsgamefowl

ok well we will try changing that stuff first. and see what happens.

Do you just change parts on someone's recommendation? Especially someone that hasn't looked at the truck? Don't you think some diagnostics are in order?

Jun 1, 2011 | 12:17 PM

#11

wizardsr

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From: Minneapolis, MN

Quote:

Originally Posted by Mark Kovalsky

Do you just change parts on someone's recommendation? Especially someone that hasn't looked at the truck? Don't you think some diagnostics are in order?

Nonsense, we all know he just needs that CarMD thingy that plugs into that thingy under the dash that will tell him what parts he needs to replace.

LOL