50,000 mi
100,000Km
90,000 miles
You should change your automatic transmission fluid in Toyota gearbox at least after every 30,000 miles.
You should replace the water pump on a 1999 Toyota Avalon when it becomes worn out. You can also replace it when it begins leaking.
If it is an automatic transmission every 30 thousand miles.
The transmission fluid on a Toyota Sienna should be changed every 100,000 miles. This helps to prolong the life of the transmission and improve performance.
You should change your water pump for 4 to 5 years after you put in your first one.
It should have 5.
Every 15,000 miles.
not 100% on the stud pattern for the Toyota Avalon, but if ou can find that out, the subaru pattern is 5x100 if the Toyota has the same pattern it should be fine.
If you open the trunk and go under the 3rd stop light, you should be able to pull the lining of the trunk down so you can change it...
if it is a automatic transmission you should change it every 15,000 miles, and if its a manual its recomeded at 30,000-45,000