195 degree Transmission Temp - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 18 (permalink) Old 03-05-2012, 12:43 PM Thread Starter
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195 degree Transmission Temp

I have a 99 dually that I have had for about 2 months and towed a few times and the temp never exceeded 140 degrees. Yesterday just driving and not towing the temp went up to 195 degrees on a 20 degree night. What would cause the temperature to rise when it has never gotten that high previosly even while towing over 7500 lbs. Truck has 80,000 miles with the 4r100 trans.

Any help on possible problems or concerns would be appreciated..
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post #2 of 18 (permalink) Old 03-05-2012, 03:34 PM
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Re: 195 degree Transmission Temp

How old is the fluid? Notice any other changes?

2000 F350 7.3- HPX, ATS Housing, WW, K&N Intake, DP, MBRB 4" exahust, Dieselsite Boots, 203 thermostat, guages, Skyjacker 4 inch lift, Warn Hubs.
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post #3 of 18 (permalink) Old 03-05-2012, 04:24 PM
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Re: 195 degree Transmission Temp

i installed the 6.0 trans cooler and BD deep sump pan when i did my rebuild. before the mods i would run around 140-150* now it never goes above 125* even plowing or towing. regular dailey driving it sits right around 100* i am very pleased with the mods. deffinatly worth the money imop.

1999.5 F350 XLT EXT CAB AUTO 4X4,K&N W/6037, DPF5,HIGH IDLE,80T,80E,120R,140BOOSTFOOLER,PHANTOM2 GAUGES BOOST,TRANS, EGT,CUSTOM 4R100 W/ JWVB,BILLET HARD PARTS,427LINE,RACERX PARTS,BD PAN,6.0 COOLER,DETROIT TRU TRAC,3.73,VAN TURBO W/ATS&HIFLO OUTLET,4" STRAIT PIPE,AFE INTAKE MAN,140V IDM,325/60/20 NITTOS,2.5"LEVELKIT,OPTIMA'S,PIONEER DVD/NAV
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post #4 of 18 (permalink) Old 03-05-2012, 06:54 PM Thread Starter
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Re: 195 degree Transmission Temp

I did not notice any changes to the way it drove or any other of the stock gauges. I changed the oil last Tuesday and checked the Trans fluid (which only has 8000 miles) and everything was fine and still was red. The previous owner changed it with Amsoil ATF fluid. I am not sure if there could be ice build up and will check when I get home tonight. I was unable to check last night and left for work early in morning today.
I would think that it would be something easy because of how quickly it changed.
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post #5 of 18 (permalink) Old 03-05-2012, 08:44 PM
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Re: 195 degree Transmission Temp

im not sure ,but I would be worried if mine got to 195 with normal driving on a night that cool.

maybe send in an oil analysis on it?

either way, Im sure an expert will chime in shortly with some input.

2000 F350 7.3- HPX, ATS Housing, WW, K&N Intake, DP, MBRB 4" exahust, Dieselsite Boots, 203 thermostat, guages, Skyjacker 4 inch lift, Warn Hubs.
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post #6 of 18 (permalink) Old 03-05-2012, 08:48 PM
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Re: 195 degree Transmission Temp

Why do people buy deep trans pans? All that means is hotter fluid in that trans that will take longer to cool. Theres a reason BTS and other trans builders dont use em.....

02 f250
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post #7 of 18 (permalink) Old 03-06-2012, 02:20 PM
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Re: 195 degree Transmission Temp

feel the cooler lines, make sure they are hot. if not then it may be bypassing the fluid causing it to get hot. there is a bypass tube on the side of the trans that connects the two cooler lines, in extreme cold weather the fluid can get too thick and not flow through the cooler. the bypass can be eliminated.

1999.5 F350 XLT EXT CAB AUTO 4X4,K&N W/6037, DPF5,HIGH IDLE,80T,80E,120R,140BOOSTFOOLER,PHANTOM2 GAUGES BOOST,TRANS, EGT,CUSTOM 4R100 W/ JWVB,BILLET HARD PARTS,427LINE,RACERX PARTS,BD PAN,6.0 COOLER,DETROIT TRU TRAC,3.73,VAN TURBO W/ATS&HIFLO OUTLET,4" STRAIT PIPE,AFE INTAKE MAN,140V IDM,325/60/20 NITTOS,2.5"LEVELKIT,OPTIMA'S,PIONEER DVD/NAV
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post #8 of 18 (permalink) Old 03-06-2012, 03:15 PM
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Re: 195 degree Transmission Temp

do not eliminate the bypass... if the cooler is working proper you prolly have thick cold fluid. and that means if the bypass is not there then no fluid will reach the back of the tranny and fry it... what fluid did you put in it?

00,f350 lariat,4x4,cc,drw,38r,bdp stage 2/170cc/100s,bdp live tunes,4''down 5''back,dieselsite adrenaline,diy RR w/walbro,bellowed uppies, BTS trans!

01, rclb, 4x4, zf6, caned ts tunes, xl work truck package, 4'' tbe
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post #9 of 18 (permalink) Old 03-08-2012, 12:40 PM Thread Starter
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Re: 195 degree Transmission Temp

Well, I am going to need a new transmission. The heat was caused by the slipping and it got so bad that it was obvious that that was the problem. What suggestions do people give. I can get a new transmission for $2117 or should I get mine rebuilt and what price would I be looking at for a good rebuild? Should I go with a stock converter or which one is best.
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post #10 of 18 (permalink) Old 03-08-2012, 02:59 PM
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Re: 195 degree Transmission Temp

what mods do you have or going with in the future?

00,f350 lariat,4x4,cc,drw,38r,bdp stage 2/170cc/100s,bdp live tunes,4''down 5''back,dieselsite adrenaline,diy RR w/walbro,bellowed uppies, BTS trans!

01, rclb, 4x4, zf6, caned ts tunes, xl work truck package, 4'' tbe
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