Are you asking about the model with the 5.7 L engine? If so you won't even find a transmission dip stick. There is none. It's designed to go 100,000 miles before the first service and even then special tools are needed to service it. If you don't believe me talk to a Toyota service manager and ask him.
The transmission fluid capacity, of your 2002 Toyota, is 12 quarts. The manufacturer recommends that you do not over fill your transmission.
TAKE IT TO THE DEALER. TRANSMISSION SERVICE ON SEALED UNITS REQUIRE TOYOTA TECHSTREAM TO MONITOR INTERNAL TEMPRATURES IN ORDER TO REPLACE FLUID.
dexron III 2.1 qts
You can fill the transmission through the transmission dip stick tube.
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If this is about the 5.7 engine and tranny then read on. The transmission doesn't require service for the first 100,000 miles. Ask your Toyota service manager. It takes a special procedure to service it. That's why you can't find a tranny dip stick for the 5.7 L engine.
In my 2003 Toyota Tundra limited 4x4, I have put up to 22.5 gallons, so it will probably have about a 23-24 gallon capacity.
The fill hole is the same place you check the level.
What is the fluid capacity of a Toyota Corolla automatic transmission 3.3 Qts drain and fill
The 1988 Toyota Camry transmission has a fluid capacity of 6.3 quarts. You can check the transmission fluid level with the transmission fluid dipstick.
Your owners manual will tell you.