what are the signs? - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 08-22-2014, 06:36 AM Thread Starter
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Angry what are the signs?

I have a 95 F350 with 10,000 miles on an E40D rebuilt tranny and rebuilt torque converter. I replaced the valve sylnode last month because that was the code being given out. I have the same problem again. I go up a very easy grade at say 50 to 60 MPH and my overdrive light on the gearshift starts blinking and the only way to stop it is to pull over and shut down. I can't tell if there is a shudder when driving but on a small grade my EGT's will get up in the 700-800 range and my tranny temps are in the 125- 135 range and keeps climbing on level road. If I take the grade at a lower speed, say 35-40 nothing happens. It only happens when I am giving it fuel to keep the RPM's up. Any knowlegable help would be great. Thanks
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post #2 of 6 Old 08-22-2014, 07:44 AM
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When the OD/Off light blinks, you have a code. You'll need to obtain it in order to know what's going on.
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post #3 of 6 Old 08-22-2014, 09:23 AM Thread Starter
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I have already. It indicates clutch slippage but doesn't say if it is in the TC or the tranny. The tranny doesn't seem, to me, to be slipping. It shifts into all gears good and down shifts good also and I can't feel any slipping.
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post #4 of 6 Old 08-22-2014, 02:08 PM
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What was the code?
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post #5 of 6 Old 08-22-2014, 02:18 PM Thread Starter
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I had my mechanic read the code so I don't know what it is. He told me it was a clutch slipping code but couldn't tell if it was an imput or output or in terms I could understand the TC or clutches in the tranny itself. He said until he could get the tranny and TC out and get a look at the clutches he wouldn't be able to know what is going on. He was pretty sure it was the TC though, that was throwing the code.
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post #6 of 6 Old 09-03-2014, 05:16 PM
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Most of the time the code for "clutch slippage" is referring to the torque converter clutch. was the fluid burnt when you changed your solenoid pack? When you had it rebuilt, did the builder put a fresh converter in. If not, I would be highly suspect of the quality of the rebuild. Your temps are ok for the transmission but I would invest in an additional cooler for the transmission. It will extend part life substantially.
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