Well kinda stupid question - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 5 (permalink) Old 06-18-2007, 11:46 PM Thread Starter
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Well kinda stupid question

Hope I didnt make a bad mistake. The other day I drained my transmission and put a new filter on. When I refilled I used valvoline atf+4 fluid fully synthetic because I could not find the mopar fluid. The valvoline was #9602 also. Well today I saw mopar atf + 4 fliud ms 9602 and the bottle said nothing about synthetic on it. Now my question is does atf+4 only cone in synthetic or is the stock mopar fluid not synthetic. Why I ask because as far as I know I am the only one who has serviced the transmission. which means it was full of stock fluid. So did I maybe mix synthetic with non-sythetic or what? A quick reply is greatly appreciated as this is my daily driver, and need to know if I need to flush or what.

2001 24v ctd auto
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post #2 of 5 (permalink) Old 06-19-2007, 01:34 AM Thread Starter
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Kinda need help quick please

well any input from anybody please...
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post #3 of 5 (permalink) Old 06-19-2007, 01:44 AM
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their is no such thing as a stupid question...just stupid people...I dont know trannys...just engines...sorry maybe someone will...


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post #4 of 5 (permalink) Old 06-19-2007, 02:09 AM
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From my experance when you put ATF + 4 in a trany that calls for ATF + 3. You might have Torque Converter Clutch shutter. There is a thing called "Shutter Bug" that will fix this problem if you run into it, it is a additive. So you'd just poor it in, and drive. Not much places even self ATF 3 anymore.
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post #5 of 5 (permalink) Old 06-19-2007, 04:49 AM
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Sun Coast reccomends Running DexronIII/Mercon Even in Dodge trannys that call for The high dollar Mopar stuff. The reason behind this is that Regular Dexron fluid has a higher friction rate to help clutches hold better as opposed to the synthetic stuff. However the key here is to get all the synthetic out. That converter shudder that Philly 911 is talking about is probably a direct reflection of the synthetic stuffs inability to provide that friction modification required to hold clutches together under high torque situations. But just to be safe, If you can afford it take it to a transmission service shop and have them pump it dry with their machine. This is the only sure way to get all that mixed fluid out of the converter. Then go back with whatever fluid you should desire. Hope this was helpful. By the way i run Valvoline DexronIII in mine.
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