E4OD Trans Issues - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 07-20-2009, 11:13 PM Thread Starter
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E4OD Trans Issues

I've had a couple strange issues (possibly related) with my trans recently. My trans is a factory rebuilt unit with about 40k miles on it, about 36k of those have been on Schaeffer's sythetic fluid, with a Tru-Cool 4590 trans cooler (in addition to the radiator heat exchanger), and with the Sonnex valve & tricumulator springs. It has also been running an Edge Evolution on "Race" setting for the same time frame.

The truck has spent most of its past 40k miles either towing a race car trailer (4500 lbs), hauling a camper (3000 lbs), or both, and also a fair amount of drag racing (but without boosting on the launch). It just has a Tymar intake and 5" exhaust for mods.

Recently while hauling the camper up a slight grade, I noticed that if I back off the throttle slightly, the converter unlocks. IIRC it used to unlock if I gave it more throttle, so suddenly this seems backwards. About the same time I noticed that if I was hauling both the camper and the race car, at the top of a steep hill I would leak transmission fluid. It was always happening when I got home late at night from the races, so I could not see where it was coming from. I finally saw it close up this time, and it was definitely coming from the converter dust cover, presumably leaking from the pump seal. It was a slow but steady stream. Over the course of 2 mintutes I'd estimate that it lost about 1/4 of a quart (a puddle about 18 inches in diameter on concrete). As soon as I shut it off the leak stopped. After sitting a while I restarted it and it was fine. When it was leaking, the ambient temp was 95°F, the trans test port temp was 190°F, and the pan temp was 182°F. I had just climbed a long steady grade to my house.

Any ideas? I know when the factory trans went out it would sometimes leak from the front pump area after climbing a grade, but it would also slip noticeably and set a code. So far no slippage. If this is a converter problem, am I likely to be able to replace only the converter? Money is really tight right now, so I want to get out as reasonably as possible.

Thanks,
Michael Pliska

ISSPRO Engineering Manager

1995 F350 PSD Crew Cab Dually, 271k miles
10 ISSPRO Prototype Performax™ gauges in Pillar & Overhead pods & sitting on dash, Tymar Intake, Gutted EBPV, Tymar 3x4" downpipe, Tymar 5" exhaust, Cat's hiding in the shed, Baby Swamps, Swamps tunes, Tricumulator springs and Accumulator Valve, Tru-Cool 4590 Trans Cooler, Lock-Right Locker
1998 S&S 9.5' slide-in camper
32' enclosed tag trailer with 2 drag cars (73 Vega Super-Gas & 74 Vega ET Super-Pro)
1992 GMC Typhoon, 1973 Chevy Blazer with Pontiac 400, 1973 Trans-Am 455
2000 VW Jetta TDI - Kerma tune, Der Chimera Stage II Clutch
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post #2 of 3 (permalink) Old 07-21-2009, 05:49 PM
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Don't the Ford Reman trans have a 75K warranty??

Zach
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post #3 of 3 (permalink) Old 07-21-2009, 07:21 PM Thread Starter
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I was thinking it was a 4 year 50k warranty (whichever comes 1st). I actually never got the warranty paperwork, as the guy who installed it for me (a dealership mechanic who had just quit the dealership) flaked out and never got it to me (he was going through a divorce at the time). , figures it was the one and only time I've ever paid someone to do something like that (my trans broke the week before my daughter was born prematurely, had zero time to work on it). The trans is just shy of 7 years old.

Regards,
Michael Pliska

ISSPRO Engineering Manager

1995 F350 PSD Crew Cab Dually, 271k miles
10 ISSPRO Prototype Performax™ gauges in Pillar & Overhead pods & sitting on dash, Tymar Intake, Gutted EBPV, Tymar 3x4" downpipe, Tymar 5" exhaust, Cat's hiding in the shed, Baby Swamps, Swamps tunes, Tricumulator springs and Accumulator Valve, Tru-Cool 4590 Trans Cooler, Lock-Right Locker
1998 S&S 9.5' slide-in camper
32' enclosed tag trailer with 2 drag cars (73 Vega Super-Gas & 74 Vega ET Super-Pro)
1992 GMC Typhoon, 1973 Chevy Blazer with Pontiac 400, 1973 Trans-Am 455
2000 VW Jetta TDI - Kerma tune, Der Chimera Stage II Clutch
NRA member and certified firearms instructor, GOA Life member, IDPA member
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