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Power Strokes
7.3 Tech
Trans cooler flush
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[QUOTE="martinphoto, post: 1475414, member: 28816"] Hello all, i'm new to this forum and powerstroke army. I just recently rebuilt my transmission(4r100) in my 99 F350. After rebuild the trans now gets hot within 20 minutes of no load driving. I have removed the trans cooler and blown it out. It didn't want to blow out right away but did blow out like it was slightly plugged. Did same thing with the trans lines and I disassembled the bypass cooler tube. My question is, should I re-use the trans cooler or replace it? I am going to do the bypass tube ****** also. The trans got up to 260 for about 7-10 minutes before I got home and shut it off. I have driven it briefly since then and it runs and shifts fine just the temp keeps rising the longer I drive it. Trans fluid is still bright red or pink on my white t-shirt. I also replaced the TC with the Ford HD version when I rebuilt the trans. So again, replace cooler or can I flush it with something besides air and reuse it?? [/QUOTE]
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