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1989 Oldsmobile Cutlass ATF in engine oil

Tiny
KLEIN241
  • MEMBER
  • 1989 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 87,000 MILES
ATF is finding its way into Engine Oil, to the tune of several Quarts. How can this happen. Can smell the ATF in the Oil, and the ATF is low about as much as the Engine Oil is over full.
Monday, January 26th, 2009 AT 12:30 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Are you burning oil?
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Monday, January 26th, 2009 AT 4:49 PM
Tiny
KLEIN241
  • MEMBER
  • 2 POSTS
No
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Tuesday, January 27th, 2009 AT 2:53 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,179 POSTS
Hi:
The only thing I can thin of is if the trans has modulator on the side of it that runs on vacuum. If the diaphram goes bad, it could suck ATF into the system that way, but I would think it would burn it. That is why I aske if it was burning oil.

Check for that and let me know what you find.

Joe
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Tuesday, January 27th, 2009 AT 3:44 PM

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