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17 January 2010

Change Transmission Fluid in 2002 Toyota Prius

1. Looking under the car from the driver side wheel, the tank in the forground is the transmission fluid tank.
2. The hexagonal bolt right above the tank (photo: top slightly right from center) is the transmission fluid fill bolt and is removed to fill the transmission fluid.
3. Removing the bolt.

4. This is what the bolt and washer look like.
5. Using a 24 mm socket wrence, the bolt on the bottom of the transmission fulid tank is removed.
6. Transmission fluid is drained.
7. This is the transmission fluid tank pan gasket.
8. After the tank has drained, the bolts on the edges of the tank are removed and the pan is taken off.
9. One of the bolts removed from the edge of the tank.
10. The bottom pan of the tank with old gasket.
11. The inside of the pan is cleaned. The metal shavings are wiped from the surface of the pan.
12. The magnet that is found inside the pan is cleaned and put back into the pan. New gasket is placed on the pan and the pan is bolted back to the rest of the transmission fluid tank.
13. We used ATF Type T-IV.
14. To refill the tank with new transmission fluid, we attached a hose with a nozzle to the transmission fluid bottle (or another clean bottle that fits the hose with transmission fluid in it) and inserted it into the transmission fluid fill hole (where we removed the fill bolt) above the side of the transmission fluild tank. We squeezed a quare of transmission fluid into the tank. There are better tools than the hose with a nozzle, but this is a cheaper tool to fill the tank with transmission fluid.





15. When all of the transmission fluid was squirted in, we screwed the transmission fill bolt back in place.

7 comments:

  1. Thank you for the great walk-through. I have one question: Do you fill the fluid up until it starts coming out of the fill hole?

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    Replies
    1. Yes, It takes almost 5 quarts

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  2. You are a gift from God. Thank you. I was going bananas, your pics are great, thanks for taking the time to help.

    Mauricio
    Maryland.

    ReplyDelete
  3. Excellent post and very clear photos. Most grateful. Question;why can't you fill the transmission from the reservoir in the engine compartment?

    ReplyDelete
  4. His filler hose (plastic hose) is too short to reach the reservoir to fill the CVT.

    ReplyDelete
  5. You cannot fill it from the reservoir in the engine compartment because that reservoir contains the coolant that circulates through the transmission as well as the inverter to cool them, and is not for the transmission fluid. The transmission fluid makes the transmission function. Never put anything in that coolant reservoir but the special Toyota Prius Inverter coolant ( a special type of red antifreeze) that's made for the Prius, and Never put coolant in the fill hole shown here, near the bottom of the transmission. These are two separate systems that both operate in the transmission.

    ReplyDelete
  6. Old thread, but to answer "Anonymous's" post of Jan 16, 2011 - there is no reservoir in the engine compartment. You are possibly referring to the Inverter coolant reservoir, or the radiator coolant reservoir, which both contain a pinkish fluid. That is NOT transmission fluid, so please don't dump transmission fluid into either of those!

    ReplyDelete