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Old 06-15-2013, 10:07 AM
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JimN JimN is offline
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Join Date: Jul 2004
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Originally Posted by markiehd View Post
My maristar, 350 engine, vdrive, overheats when under load. idleing it will stay around 160. I have replaced the impeller, cleaned all debri. It ran great for approximately 20 hours. then it started this. Anything over 1200 rpm it starts to overheat. Ive never let it get over 200, but cant figure out. replaced the thermostat. the old one looked suspect. still occurring. I just pulled the hose to the tranny cooler, raw water pickup. no screen that I can detect. Do I have to open the trainny cooler for the screen. Is it on the port side of the tranny... stumped
The transmission cooler will collect any debris on the hull side when that debris is too large to pass through. If you removed the hose but didn't reach/look into the cooler, do that ASAP, and remove anything that's in it. The screen isn't in the hose.
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