Transmission seems to slip when it has warmed up?

175,000 MILES • 3.0L • V6 • 2WD • AUTOMATIC
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ZDAWG1
  • MEMBER
  • 1 POST
Other than clogged filters or fluid change, what could cause this?
Jan 7, 2023 at 1:02 AM
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BORIS K
  • ✓Experienced Mechanic
  • 836 POSTS
Hello,

Most common issues are low or bad transmission fluid or a blocked filter.
Damaged clutches usually cause burned residue in the transmission oil so when draining pay attention to the condition of the oil and any debris contained within.
A mechanical issue in the clutch bands will usually manifest itself in a slipping gear but not all gears.

A faulty valve body can also cause slipping gears as the it may bypass some of the hydraulic pressure required for proper engagement.

A good guide:

https://www.2carpros.com/articles/automatic-transmission-problems

and

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Cheers, Boris
Jan 7, 2023 at 5:34 PM
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