Now since this transmission is new and literally sitting on my shop floor now with zero miles, I wanted to start its life off with some quality fluids.
That was a big factor in my purchase plus BD's reputation in the diesel community for quality products. The biggest gain was the 150,000 mile 36 month warranty which no local shops would offer (mainly 3 months, not good). The transmission kit also included a remote mount transmission filter that must be installed with the new transmission. I also got a dual stacked extruded transmission cooler from BD with its own temp sensor and electric fan setup. I had planned for some power enhancement later so it seemed wise to get a better built transmission first. The transmission comes with a matching billet input shaft and the torque converter has an enhanced stall and a host of internal upgrades. My choice was the BD Performance 48RE Performance Plus transmission with billet triple disk torque converter and new billet flex plate. After doing the math on a local transmission shop to rebuild with upgrades versus getting a commercial built unit with some upgrades, I decided to buy commercially. I know the topic is fluid and I will get to that. To be honest the 48RE doesn't respond well to performance upgrades, at least not in a stock configuration. So with that prospect I did some research. I threw a couple small parts at it and in doing so I realized overall wear was a factor and I think a bad seal deep within needed replaced. Well at 80k miles you have to be honest with yourself and assume a rebuild for this transmission isn't out of the question. Shuttle shift and not wanting to shift out of first at all. Those problems were fixed then but they have returned again recently with a twist. My truck is sitting around 80k miles with limited modifications for performance.Īt around 60 some thousand miles it started shuttle shifting (Check the forums here for those details and fixes). To back up a bit I have the 20 MegaCab with the Cummins and the problematic 48RE, I meant automatic 48RE lol.
Mainly Chrysler based ATF+4 transmissions. Okay, my topic is about transmission fluids. Well its been a busy year and I haven't got to post much so today I'm going to try and catch up haha.
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