4R100 Hard Upshift - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 3 (permalink) Old 07-22-2015, 10:00 PM Thread Starter
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4R100 Hard Upshift

Alright guys got a quick question. Has anyone else had a hard or abnormal upshift from 1st to 2nd? This is the stock trans as far as I know and it has 176k on the clock. Any help is greatly appreciated!!

Early '99 F250 4x4 ECSB - 4R100, Suncoast TC, Billet Shafts, Mag-Hytec Pan, 6.0 Trans Cooler, S&B Intake, MBRP 4" Straight Pipe, 208 Diesel Super 10, Isspro EV2's, Edge Insight CTS, FS2500 Oil By-Pass, Riffraff Coolant Filtration, 3" Maxx-Lift, 35's, 22x12 Hostile Sprockets, Ruffstuff Traction Bars, Tuned by PHP
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post #2 of 3 (permalink) Old 07-22-2015, 10:29 PM
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Re: 4R100 Hard Upshift

Yesterday my automatic transmission began some weird stuff also. I was driving home and all of a sudden the truck shuddered at about 30 MPH and acted like it had no power, but the engine was running just fine?. Today I took it around the block and it seems to now not even shifting up into the second gear. In low it seems OK but once the speed gets up to about 20 MPH the truck "bogs down" and it seems like the trans is slipping?

I have no issues in Reverse, and none if I use drive 2 or 1 or Over Drive. There is no light on on the OD stick and no flashing. I am afraid to drive it anywhere!

Now what do we do??

Last edited by rich in mich; 07-22-2015 at 10:31 PM. Reason: typo
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post #3 of 3 (permalink) Old 07-24-2015, 09:47 PM Thread Starter
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Re: 4R100 Hard Upshift

bump

Early '99 F250 4x4 ECSB - 4R100, Suncoast TC, Billet Shafts, Mag-Hytec Pan, 6.0 Trans Cooler, S&B Intake, MBRP 4" Straight Pipe, 208 Diesel Super 10, Isspro EV2's, Edge Insight CTS, FS2500 Oil By-Pass, Riffraff Coolant Filtration, 3" Maxx-Lift, 35's, 22x12 Hostile Sprockets, Ruffstuff Traction Bars, Tuned by PHP
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