I did this at 15k intervals on previous cars which takes about one gallon to refill, and the transmissions would outlast the car. It is best to do single drain and fills on short intervals. Unless they are assuming you will never check the fluid to verify its condition, it takes time to drain, replug, refill, and cycle the fluid and repeat this process 3 or 4 times until the fluid is entirely new. To perform a flush through multiple drain and fills is extremely labor intensive. You can see the old fluid come out during the process, and it is considered complete once the old fluid appears as consistent as new fluid does. This can also be done by plugging compressed air into the flush machine. One end of the cylinder with new fluid is connected to the incoming transmission fluid line, and the old fluid is expelled into the opposite side of the cylinder, forcing new fluid into the incoming line at an equivalent rate. The flush machine is the most efficient way of performing a flush, its simply a glass cylinder with gallons of transmission fluid separated by a small piston seal. I change both the trans fluid & coolant every 30,000 miles which for me is every 3 years. The cooler the Inverter is the more efficient it is. You will get instant mpg increase with new Inverter coolant. The Inverter is the hardest working component in the car and very hard on the coolant. New coolant REALLY helps the car's performance and life. Instead of wasting alot of time leveling the car put that time into changing the Inverter/Trans cooling fluid since your going to be under there anyway the cars jacked up high in the front ready to go and the bolts for that are right next to the trans bolts. I use Redline D6 since 1K miles and have changed my fluid going on 4 times now including stellar UOA's that I have posted here. Lots of talk about other fluids on Bitog and how crappy WS is. You can use WS or Maxlife from Walmart or alot of other fluids are available. Snake a small funnel from the topside into the side fill hole and fill it up. Dump the fluid out let it drain for a while. Lift the front of the car up high enough to get a breaker bar on the input bolt. You don't have to have the car level to figure that out? A little over hurts nothing. The most important thing is to use the correct coolant for your vehicle.Its not necessary to level the car. If the coolant you initially drain out looks reasonably clean and not contaminated, just drain as much as you can and refill with the correct coolant. However, excessive stop leak or, corrosion is pretty much impossible to remove. Then drain, flush with water, drain etc etc. If your system is contaminated with stop leak or, lots of corrosion, you may want to drain it, fill it with water and a flushing agent like BG. I doubt they use distilled water for flushing and many use a "universal" type coolant pumped out of a 55 gallon drum to refill the system. Some shops have flushing machines, they have to pay for those and sell a coolant flush as a serrvice. Get a free detailed estimate for a coolant flush in your area from KBB.com. If you are worried about a little tap water in the heater core, you can pull the other heater hose off and get most of it out. The average price of a 2015 Toyota Prius c coolant flush can vary depending on location. Let it all drain out of the block and radiator. Remove a heater hose going in to the heater core, and run water through with a hose, tap water OK. To get the most old coolant out of it, you can open the block drains as well as remove the thermostat. They don't have any silicates to crud up a system and many last 150k. Toyota doesn't sell pink in a concentrate to make up for residual water left behind.ĭrain/refill/drive/repeat is all you need for newer Asian coolants. Don't be that negligent or foolish again.ĭon't even run any distilled water flushing shenanigans. Stick with Asian/pink/equivalent coolant. Repeat again next year to increase the amount of new antifreeze. Don't add chemicals to your cooling system, unless you want to destroy it.ĭid you use pink antifreeze before? If so, just drain/refill the radiator and overflow bottle and keep driving.
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