Hard jerk when shifting (4R100) - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 07-19-2013, 02:23 PM Thread Starter
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Hard jerk when shifting (4R100)

It's been doing it for a while, it was a slight jerk at first, but now it's horrible. I had an Edge Juice and thought that was the issue, but I uninstalled the chip and it still jerks bad. I read that a new valve body would fix most of this. What could be the cause of this? How can I fix it?


2001 7.3L F350 Crew Cab, Long Bed, Dually.

Modifications: aFe Stage 2 CAI, 4" Flowmaster Exhaust with 7" Tip, XDP Compressor Wheel, Foil Delete, Glowshift MaxTow Gauges (Boost, EGT, and Pyro), and Tony Wildman 6 Position Chip.
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post #2 of 9 Old 07-19-2013, 02:34 PM
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post #3 of 9 Old 07-20-2013, 04:58 PM Thread Starter
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Can anyone help?


2001 7.3L F350 Crew Cab, Long Bed, Dually.

Modifications: aFe Stage 2 CAI, 4" Flowmaster Exhaust with 7" Tip, XDP Compressor Wheel, Foil Delete, Glowshift MaxTow Gauges (Boost, EGT, and Pyro), and Tony Wildman 6 Position Chip.
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post #4 of 9 Old 07-20-2013, 05:34 PM
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Quote:
Originally Posted by 7 3 Powerstroke View Post
It's been doing it for a while, it was a slight jerk at first, but now it's horrible. I had an Edge Juice and thought that was the issue, but I uninstalled the chip and it still jerks bad. I read that a new valve body would fix most of this. What could be the cause of this? How can I fix it?
Is this though all gears?

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post #5 of 9 Old 07-20-2013, 10:04 PM Thread Starter
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It was originally just shifting from 3rd to overdrive, but after the chip it's through all gears.


2001 7.3L F350 Crew Cab, Long Bed, Dually.

Modifications: aFe Stage 2 CAI, 4" Flowmaster Exhaust with 7" Tip, XDP Compressor Wheel, Foil Delete, Glowshift MaxTow Gauges (Boost, EGT, and Pyro), and Tony Wildman 6 Position Chip.
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post #6 of 9 Old 07-21-2013, 04:55 AM
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I'm not much of a transmission tech but by your description I was thinking a PO installed a shift kit. The Edge bumps the pressures a bit, but it still does it after removed. Are you getting any soft trans codes?

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post #7 of 9 Old 07-21-2013, 05:54 AM Thread Starter
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Not that I know of.


2001 7.3L F350 Crew Cab, Long Bed, Dually.

Modifications: aFe Stage 2 CAI, 4" Flowmaster Exhaust with 7" Tip, XDP Compressor Wheel, Foil Delete, Glowshift MaxTow Gauges (Boost, EGT, and Pyro), and Tony Wildman 6 Position Chip.
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post #8 of 9 Old 07-21-2013, 11:57 AM
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That's what the edge tuner will do to your trans, that's why they burn up your trans after awhile. If it were me, I would sell that edge, and get some custom tunes on a ts style chip. A lot better for your truck and you will be alot happier with how your truck performs

Robert
01 F350 CCSB
a few mods


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post #9 of 9 Old 07-21-2013, 09:47 PM Thread Starter
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Quote:
Originally Posted by 7.3550Duty View Post
That's what the edge tuner will do to your trans, that's why they burn up your trans after awhile. If it were me, I would sell that edge, and get some custom tunes on a ts style chip. A lot better for your truck and you will be alot happier with how your truck performs
Already done. Except I'm waiting on the custom chip.


2001 7.3L F350 Crew Cab, Long Bed, Dually.

Modifications: aFe Stage 2 CAI, 4" Flowmaster Exhaust with 7" Tip, XDP Compressor Wheel, Foil Delete, Glowshift MaxTow Gauges (Boost, EGT, and Pyro), and Tony Wildman 6 Position Chip.
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