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Message: [QUOTE="Tom S, post: 53301, member: 623"] Quote: Originally Posted by cangim 20mph - heavy tow - incline, I don't think the OTW cooler would be as beneficial as a good fan. The oil to water cooler would be MORE beneficial than a good fan. Quote: Originally Posted by Kwikkordead Have you replaced the bypass valve? That is the first thing to do if your tranny is overheating. I disagree. The first thing to do is determine why it's overheating. The bypass valve is rarely the cause, but often one of the symptoms. Quote: Originally Posted by yellow73bb Resurrecting this old post. Still overheating every summer. I put a new fan clutch on this last winter, I replaced the bypass valve last summer, I put in the highest capacity tranny cooler I could fit. Today it went up to 230 pulling up a hill. That's because none of those were the problem. The problem is that you need an oil to water cooler to cool the trans at low speeds. The air to oil is just not effective enough at slow speeds. Quote: Originally Posted by yellow73bb I'm thinking I'll have a radiator shop put in a OTW radiator. Now you're talking! Quote: Originally Posted by yellow73bb I had heard somewhere that a bad torque converter could cause the oil to overheat. Is there any truth to this? It locks just fine at highway speeds, so I'm not sure how it would fail. I don't think there is anything wrong with your converter. Install an OTW in the radiator and I think you'll have this problem solved. __________________ Mark Former Ford automatic transmission engineer, 1988-2007. [/QUOTE]

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