Slipping gears
Delayed engagement when shifting
Rough or hard shifting
Grinding or shaking during shifts
Transmission fluid leaks
Burning smell
Transmission warning light
Unusual noises in neutral or while driving
Poor acceleration
Hesitation when changing gears
Fluid that is dark, dirty, or smells burnt
Vehicle won’t stay in gear
Check engine light
Strange vibrations
Transmission overheating
Unresponsive gear selector
Whining, humming, or clunking sounds
Sudden loss of power
Difficulty reversing
Loud buzzing or rattling noises