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Color of tranny fluid when changed

1726 Views 11 Replies 7 Participants Last post by  D Bone
I changed my tranny fluid on my 06 2.3 auto a few months back @ about 20k. Replaced it with Mobil 1. My fluid was a dark brown to almost black color it,did not smell burnt though. I have not had any problems with my transmission. Was this a problem, or normal for the Mazda Fluid? The Mobil 1 has remained a nice bright red since the change(been 5k). For those of you that have done your own change, what has been your experience? If you could, post mileage at change.
Thanks..
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I did my first drain like you at 20k. It was nearly black. Ever since I have used Mobil 1 and it has been red everytime. I don't think the factory fluid (motorcraft I'd imagine) is very good, espcially with the heat given by these transmissions. The mobil can take extreme heat much better, and assume you keep a close eye on it should give your transmission plenty of extra life. I feel sorry for the people who got 50-60k on this car with the original fluid still swimming in there.
^^^

Gotta lay off that chronic man.
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