Trans shifts Hard from 1st to 2nd..... - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 10-08-2009, 03:03 PM Thread Starter
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Trans shifts Hard from 1st to 2nd.....

I just had my trans rebuilt at a mom and pop shop , it shifts really hard from 1 -2nd and seems to shift better after that. I had specifically told them to make sure they blew out all the oil in the cooler. I did disconnect the batteries for about 1hr, and seemed to shift just a little better but still hard. Prior to replacing the tranny I was getting crazy acceleration and i cleaned out the TPS and no more codes or wierd acceleration. What else could be causing this hard shift? I have a TS 6pos chip i had pulled out, would i get better shifts with that chip in?

97 2wd ZF 5 (trashed the auto)
3" MBRP Down Pipe
Straight muffler
DIY Intake
TS Tuner
gauges coming very soon
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post #2 of 4 Old 10-08-2009, 07:30 PM Thread Starter
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anyone???

97 2wd ZF 5 (trashed the auto)
3" MBRP Down Pipe
Straight muffler
DIY Intake
TS Tuner
gauges coming very soon
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post #3 of 4 Old 10-09-2009, 06:57 AM
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My 1-2 upshift is pretty fierce. It will bark the tires in certain situations (like foot to the floor accels) But I set mine up that way. (trans reprogramming kit etc....). There have been a lot of updates from Ford to the E4OD over the years and many shops apply them as GP. Do you know if they installed the latest pump upgrade or any sort of valve body modification?0

Randy DuCharme (Radio AD5GB)
2006 F-250 XLT FX4, auto trans, super cab, short box

Engine:
  • ARP head studs
  • Warren 175/30s
  • KC Turbo's DIY billet Powermax
  • FASS Titanium 125G
  • XDP regulated fuel return
  • IPResearch remote oil cooler and filter
  • IPResearch Gen III EGR solution

Transmission:
  • Precision Industries Stallion converter (1800 stall)
  • Billet input and intermediate shafts
  • Billet overdrive planetary carrier
  • Billet low/reverse hub
  • Billet pump gears
  • Modded direct and coast clutches
  • Raybestos GPZ Extreme frictions
  • MTS stage II direct clutch and EPC solenoids (to be removed)
    (hard parts from Andy Warren)

Misc:
  • Warren and Gearhead Performance tuning (DIY in the works)
  • MBRP 4" turbo-back exhaust
  • Y-pipe mod (Vibrant triple wall flex joints)
  • River City Diesel fuel sump
  • Fumoto valves all around
  • Glowshift boost, pyro, oil and fuel pressure gauges
  • AutoEnginuity for logging and diags
  • ScanGauge II to monitor other stuffs
  • Bilstein 4600s
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post #4 of 4 Old 10-09-2009, 05:55 PM Thread Starter
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I dont think they installed any of that, i certainly didnt ask for it. Any sugestions on what i could do to ease up the shift??

97 2wd ZF 5 (trashed the auto)
3" MBRP Down Pipe
Straight muffler
DIY Intake
TS Tuner
gauges coming very soon
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