Question about 2006 Ford F-150

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Overdrive light flashing on 2001 F350 7.3 diesel truck

On our 2001 F350, only when towing our boat or 5th wheel, the overdrive light flashes and the truck has to be babied or warmed up for a while before it will go onto gear. What do you think is the problem?

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Taking a guess at it, I would have to say that the transmission fluid is thermally broke down from the heat, and stress from towing. Try to change transmission fluid and filter. If this does not fix it the transmission itself may be damaged from the excessive strain, and heat. (heat is number one cause for transmission failure. After this problem is fixed, next time NEVER tow in Overdrive. This over works the transmission, and creates the excessive heat. If you tow a lot than consider adding an after market transmission cooler. Which is only approximately 100 and up, but will save thousands in the long run:)

Posted on Jul 11, 2010

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I may be wrong,but look in your truck manual to make sure,under towing,I think when hauling,you are supposed to only use drive,,not over drive,with the selector.

Posted on Jul 11, 2010

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1 Answer

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