What causes AT transmission fluid to come out of the transmission breather at 75-85 mph?

Tiny
WALLACE42
  • MEMBER
  • 2000 HYUNDAI ACCENT
  • 138,000 MILES
-Flushed and refilled AT Transmission with Dex/Merc
-Transmission is not overfilled
-Checked for clogged oil cooler
Monday, June 25th, 2012 AT 12:56 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
When you check the level does the oil look aerated at all?
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Monday, June 25th, 2012 AT 12:58 PM
Tiny
WALLACE42
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  • 2 POSTS
No
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Monday, June 25th, 2012 AT 1:09 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Overheating of the fluids would result in that.
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Monday, June 25th, 2012 AT 5:12 PM

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