OD LIGHT FLASHING - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 7 (permalink) Old 08-14-2009, 01:01 PM Thread Starter
AUSSIE TUFFTRUCK -RUSSELL
 
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OD LIGHT FLASHING

HI GUYS ! The wife was driving my 2000 f350 duelly 7.3 , 4r100 today and the speedo stopped working then the od light started to flash , she stopped and shut the engine off , re-started and all was fine . any ideas ? I,ve only had the truck a couple of months and i know about the noisy tc problem and have a banks billet converter and big pan on its way here . couple of weeks ago we towed our 33ft 5th wheeler we just bought and trans temp was fine ( already fitted biggest cooler and fan i could buy with a gauge before trip) , when we stopped at a servo ( gas station ) as we pulled up the temp shot up to 210 instantly and dumped oil out of the converter seal , off we went again , all was fine till every stop , same again . when we got home i drained the trans and tc . clean as can be but oil was cooked . Any help would be great thanks .
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post #2 of 7 (permalink) Old 08-14-2009, 01:17 PM
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Re: OD LIGHT FLASHING

If the light was flashing, then there is a code stored in the computer. You need to get that code pulled.

At 210, the trans shouldn't be dumping any fluid out. Where is the temp sender located in the tranny? If the fluid was cooked, the trans was over 230.

You may want to consider removing the trans cooler that is on there, and replacing it with a 6.0 cooler. It is the best tranny cooler for these trucks.

Anthony

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post #3 of 7 (permalink) Old 08-15-2009, 05:22 AM Thread Starter
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Re: OD LIGHT FLASHING

the temp gauge is between the new twin cooler with fan and the trans , i'm going to move it to the pan when the new tci larger pan arrives , it has a place for the sender .
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post #4 of 7 (permalink) Old 08-15-2009, 06:20 AM
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Re: OD LIGHT FLASHING

The trans temp sender should go here for a more reliable reading. From Dieselmanor's install sheet-

The location for Tans. Sender on a 7.3L 4R100 Transmission can be found just above the 2nd trans. pan bolt on the driver's side. There is a test port plug here (arrow). Remove it and insert the trans. sender. No need to worry about excessive fluid loss. Only a few drops will come out if the truck is level. Image shown with an 11mm wrench in the plug. READINGS: ATF goes from the pan, thru the oil pump, and then past this port. In essence, this location for the sender will give you pan oil temperature readings (or very close to it). Normal SAFE temps are anything below 200F. 200F to 225F is the WARNING temperature. Over 225F is TOO HOT.
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File Type: jpg trans-sender4lg.jpg (50.3 KB, 13 views)

Anthony

2002 F-350 SRW 4x4 Lariat Crew Cab, Auto, MBRP 4" T409 Turbo back, AFE Stage 2, Isspro gauges (Pyro, Boost, Trans), BTS VB, DP F-5
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post #5 of 7 (permalink) Old 08-15-2009, 08:34 AM Thread Starter
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Re: OD LIGHT FLASHING

thanks for that info , it's all helpfull , still worried about the sudden temp rise and dumping fluid .
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post #6 of 7 (permalink) Old 08-21-2009, 08:21 PM
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Re: OD LIGHT FLASHING

The speedo not working makes me think your VSS in the rear diff is acting up. What code did the tranny store? Was it slamming into gears? If the vss goes out it will throw a code and put the tranny into limp mode(ie high line pressure which give hard ars shifts) With the twin cooler with fan you shouldn't have high temps. and 210 isn't near high enough to make the front seal start puking atf.

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post #7 of 7 (permalink) Old 08-22-2009, 03:14 AM
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Re: OD LIGHT FLASHING

Good by tranny. Hope you've got some extra cash, like $4,000 for a new tranny and TC. You can save some $$ by going to Sun Coast Converters Diesel Transmissions, Fort Walton Beach FL and getting thier rebuild kit and their TC. Don't redo one without the other and make sure you flush out the cooler lines REAL good or the crap in there will ruin your new one.
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