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Old 03-04-2009, 06:50 PM
Ripster Ripster is offline
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2008 f250 transmission problems?

Hey everybody, I have a 08 f250 superduty with a automatic in her.( I call my truck her, I hope that does not offend anybody )Every so often but not all the time it seems like the transmission does not feel like it shifts like it should. Sometimes when you are going from 60kms to 80kms it kind of feels like it studders between 3rd and forth and then every once in awhile if you are driving at 50kms and give her a little shot it feels like she shifts down into a lower gear quicker then she should almost like it is spinning on ice, again this only happens once in awhile. I have her in the performance mode of my superchip and I have also installed a Banks cold air intake on her.One other note I have had the transmission flushed and new fluid put back in her. Please let me hear what you think....Thanks
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Old 03-06-2009, 10:31 AM
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Old 03-06-2009, 11:24 AM
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The terminology you use for your truck "Her" is correct. All vehicles are typically refered to as "Female"

If you feel or think you have a problem with the tranny you should bring it to the dealer as i am assuming it is still under warrany.
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Old 03-06-2009, 03:19 PM
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Did take it to the dealer and they said they could not find any codes, and of course it wasnt acting up when they looked at it. Has there been any issues with the solnoid packs on the trans?.....Thanks for responding by the way.......What do you think?
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Old 03-06-2009, 06:18 PM
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Could be an issue with the TCM Trans Control Module
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Old 03-06-2009, 06:25 PM
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TCM may be a issue. Had something similar to that when my truck was new (600 miles). Replaced and been fine ever since.

You might try taking it back to a stock setting and see what that does for it.
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Old 06-17-2009, 07:00 PM
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Did you ever figure it out? My 08 f250 is doing the same thing and its stock.
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Old 06-17-2009, 11:37 PM
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Quote:
Originally Posted by Ripster View Post
Hey everybody, I have a 08 f250 superduty with a automatic in her.( I call my truck her, I hope that does not offend anybody )
Most vehicles, ships, tractors, trucks, etc. are referred to as she. I have always thought it was a complement to the female gender as they are being considered and thought of.
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Old 06-19-2009, 04:42 AM
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Ford dealer has my truck now they seem to think it might be a sticky solnoid on the tranny but not sure. It only does it once in a great while so of course it is haed to pin point. Are you having the same problems?
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Old 01-03-2011, 09:20 PM
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I have a bully dog triple dog tuner and my truck is doing the same thing. While in performance mode it shifts fine unless I really lay into the throttle from a stop. While in stock mode if I put a little torque on the transmission it starts jumping around in gears and shifts hard. Taking it to the dealer this week. 60,000 mile warranty and im sitting at 59,000.
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Old 01-04-2011, 05:01 AM
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Originally Posted by turbo229 View Post
I have a bully dog triple dog tuner and my truck is doing the same thing. While in performance mode it shifts fine unless I really lay into the throttle from a stop. While in stock mode if I put a little torque on the transmission it starts jumping around in gears and shifts hard. Taking it to the dealer this week. 60,000 mile warranty and im sitting at 59,000.
When you are bringing yours back to stock. Are you giving it enough time to re-learn?
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Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400
http://www.ford-trucks.com/guidelines.html

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Old 01-04-2011, 05:28 AM
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How much time should I be giving it? Im probably not.
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Old 01-04-2011, 05:32 AM
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I'd run it from a stop thru all the gears several times so at least 10-20 miles I would think.

Maybe even from a stop, full throttle up to about 60 mph then let off, come to a stop then repeat a couple of times.
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Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400
http://www.ford-trucks.com/guidelines.html

Previous Truck 2008 F250 6.4 with lots of upgrades and a suspension upgrade from Torklift International StableLoads
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Old 01-04-2011, 05:36 AM
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That is good advise, I will try that and post the results.
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Old 01-04-2011, 05:38 AM
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When I bought my Banks 6 gun they advised 3 WOT to 60 mph, then slow to 30 and hammer it back up to 60 mph.

They suggested that for level power setting.

I did that one time. Just running thru the gears as I suggested does the same thing.
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Scott-2013 F350 with a lot of tires.
2013 40' 4-slider stoneridge 5th wheel coming in at 15,400
http://www.ford-trucks.com/guidelines.html

Previous Truck 2008 F250 6.4 with lots of upgrades and a suspension upgrade from Torklift International StableLoads
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Old 01-04-2011, 05:38 AM
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