Transmission slipping from 2-3 and 3-4?

Tiny
FIFTY8
  • MEMBER
  • 2003 HONDA CIVIC
  • 1.7L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
2-3 and 3-4 gear will slip, problem goes away if I lift my foot off before it shifts. Transmission fluid is full/looks and smells clean. Might be unrelated but my car whines when I'm driving in gear, just recently started. Recently got it scanned and it's not showing solenoids.
Monday, August 29th, 2022 AT 11:41 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 51,661 POSTS
The car whining is the clue, this means the transmission fluid control solenoids are clogged or the transmission fluid strainer is clogged with clutch material, and it causes the transmission fluid pump to scavenge which drops the clutch pressure causing the slip you have mentioned. I would remove the control solenoids first to see if they can be cleaned and if not, I would replace them, if this doesn't work then the transmission needs to come out and disassembled to check the strainer, at this point you might as well get a rebuilt unit. Check out the diagrams (below). Please let us know what happens.
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Monday, August 29th, 2022 AT 3:09 PM

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