transmission question
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New User
Joined: Apr 2006
Posts: 12
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From: Elgin Texas
transmission question
I have a 1999, f250, 7.3 diesel, 4R100 automatic, 4X4, that seems to be shifting into overdrive almost to fast. It also sometimes shutters a little when going into overdrive. I have 56,000 miles on it now and had the transmission flushed at 26,000 miles. I read in the forum that changing a transmission solenoid valve may solve the shifting problems. does any one have more info on what and where the solenoid valve is or any other ideas on this problem.
Thanks.
Thanks.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
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From: Rio Rico, AZ.
I recommend calling Brian and asking him. From what I've heard here on FTE he's one of the best.
http://www.brianstruckshop.com/
BareBackJake knows someone as well who is just as good
(I think) www.jwtt.com
http://www.brianstruckshop.com/
BareBackJake knows someone as well who is just as good
(I think) www.jwtt.com
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Originally Posted by zzzz944
I have a 1999, f250, 7.3 diesel, 4R100 automatic, 4X4, that seems to be shifting into overdrive almost to fast. It also sometimes shutters a little when going into overdrive. I have 56,000 miles on it now and had the transmission flushed at 26,000 miles. I read in the forum that changing a transmission solenoid valve may solve the shifting problems. does any one have more info on what and where the solenoid valve is or any other ideas on this problem.
Thanks.
Thanks.
What type of fluid was used when it was flushed? Your tranny calls for regular old Mercon, and not the more popular Mercon V...or any other multi-use fluid.
Does it make any noise...like a rattle while at idle?
Thread Starter
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New User
Joined: Apr 2006
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From: Elgin Texas
Last time the tranny fluid was changed it was regular mercon. It does make a rattling noise when idling but it always made that noise since I bought it and that is when I had the fluid changed.
Posting Guru
Joined: Jan 2006
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From: Elkhorn, WI
Originally Posted by zzzz944
Last time the tranny fluid was changed it was regular mercon. It does make a rattling noise when idling but it always made that noise since I bought it and that is when I had the fluid changed.
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
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From: Cabot, Arkansas
Originally Posted by Muktown
sounds like a torque converter problem
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Posting Guru
Joined: Jan 2006
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From: Elkhorn, WI
Originally Posted by cookie88
That's what I'm thinking too.
Scott wasnt that a problem in 99 or am i thinking of something else?
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