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Power Strokes
7.3 Aftermarket
Trans running hotter
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[QUOTE="TyCorr, post: 330490, member: 1451"] I would.change the fluid first. Get a couple cans of cooler clean and flush the lines into a bucket. See whats in there. Blow the lines out with compressed air. Note the airflow. See whats in the bucket.If the bucket doesnt.have metal or anything large in it, use the cooler clean on the cooler. Then blow the cooler out. I hear varying.numbers but I started with 10 psi and used my left hand thumb to throttle the return fitting. Use gravity to your advantage also. You can increase air pressure but I wouldnt.use over 20lbs. Oh and I wouldnt worry about 170°. Especially if no lines were clogged and there wasnt a bunch of.crap in the cooler. Honestly, unless the builders directions advised against it, I would have followed the breakin procedure and then changed the fluid at 3k to see what was in it. Do trannys require breakin? Also a brand new cooling circuit totally void of trash would be near its peak of efficiency. After the trans lets some fairy dust loose into that atf the fluid would become less efficient. Not to mention it'll start blocking the coolers finer passages and you'll have a stabilized operating temp. One more point, how are your engine temps? Have they changed lately? Like bigger injectors, bigger turbo, or different tuning? Evrything is a variable when you change the components around. [/QUOTE]
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