My recommendation is every 36,000 miles. Check your owner's manual for the manufactures recommendation.
Transmission oil and filters should be changed every 30,000 miles unless you have a newer car, then they should be changed every 100,000. If the car is still running weird, take it into a shop.
The transmission fluid should be change every 30,000 miles
The Transmission fluid should be changed every 30,000 miles or 24 months whatever comes first
It is advisable that you check with your local mechanic as to when you should get your transmission fluid changed in your car. Ideally, it should be changed every 3 years or so if the car is driven aggressively.
I recommend you change it every 75,000 miles.
It really should be changed every 30,000 miles. It is cheaper than a transmission overhaul.
Transmission fluid must be changed every 10,000 miles.
Recommended at every 25,000
Every 5000 miles.
Transmission fluid (Civic CVT manual every 50,000mls,Transmission fluid (A/T or ?/T) auto every 30,000mls
It should be changed every 75,000 miles at the very least.
Automatic transmission fluid should be changed according to the manufacturer's suggestions. Many manufacturers suggest having the fluid changed at every 100,000 miles.