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Old Mar 18, 2007 | 09:20 AM
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tranny help

2003 4r100 super duty diesel 7.3 the tranny works great most of the time when i pull heavy loads some times it will shift into over drive then it will shift out not like normal it lets the rpms go up real slowly it will shift into overdrive and the rpms are at about 2000 then it will slowy move up to 2500 then it sits there and will shift back when it goes back into over drive it is fine i use the overdrive off control and it will do the same thing just woundering if any one else has had this and is there a easy fix changed filter and oil and truck has 88,000 miles
 
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Old Mar 18, 2007 | 09:45 AM
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From: Central, Al
https://www.ford-trucks.com/forums/5...overdrive.html

When was the last fluid change?
 
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Old Mar 18, 2007 | 11:04 AM
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about 20,000 miles ago
 
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Old Mar 18, 2007 | 11:57 AM
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Is the level correct lately? What sort of oil did you use?
 
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Old Mar 18, 2007 | 12:11 PM
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yes the level is good oil was mercon
 
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