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Trans Slippage Question

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Old Aug 26, 2006 | 07:43 PM
  #1  
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Trans Slippage Question

Can the trans shift good at all times but slip in overdrive?
I don't notice anything unusual but on hills it seems to slow down at steady RPM's.
Or is something else going on?

Thanks,
KO
 
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Old Aug 26, 2006 | 10:40 PM
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It's tough to answer that without any details about the truck.
 
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Old Aug 27, 2006 | 02:57 PM
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I thought I had my sig showing, sorry.
97 F350 4x4 460 E40D
KO
 
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Old Aug 27, 2006 | 03:09 PM
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mileage, service details etc. will help.

that is what andy was asking.
 
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Old Aug 27, 2006 | 03:37 PM
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136k Just changed trans oil and filter.
Was shifting hard, now shifts fine.

KO
 
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Old Aug 27, 2006 | 03:51 PM
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so now it does not slip?

did you drain convertor at the same time?
 
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Old Aug 27, 2006 | 04:13 PM
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It shifts fine, but seems to slip in overdrive.
Yes I did drain the convertor.
No ugly stuff in the pan.

Wondering if there was something that controlled converter lock-up.

KO

Or something else that could be wrong.
I didn't notice it till after changing the fluid.

KO
 
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Old Aug 27, 2006 | 04:48 PM
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did you use correct fluid? what brand?

is it full when you check it warmed up?

was filter installed with o-ring and pushed up correctly?

try resetting the computer.

is the button on shifter working correctly?
 
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Old Aug 27, 2006 | 10:14 PM
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Valvoline Dexron III/Mercon
Trans Filter installed with o-ring and pushed all the way in, original filter fell out in the pan.
Computer was reset when trans fliud was changed, I put a new o-sensor in at same time.
Push button works and light doesn't flash.

I just chcked the fluid, it is approx a 1/4" little over full.

KO
 
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Old Aug 28, 2006 | 10:17 PM
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It must not be good................

KO
 
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