Excellent. The fluid is fresh and lubricating properly.
Usually indicates internal mechanical slipping (low rating). Summary Rating Scale Description Action Required 5/5 (Perfect) Bright red fluid, instant engagement, no leaks. None; maintain regular service. 3/5 (Fair) Brownish fluid, minor weeping, high mileage. Drain and fill fluid; replace filter. 1/5 (Failing) Burnt smell, slipping gears, active clunking. Immediate rebuild or replacement.
Look for leaks where the driveshaft or CV axles meet the transmission. 3. Operational Performance
Good/Fair. The fluid is aging and should be scheduled for a change soon.
