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#2 | |
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Crazy Oil Sniffer
Drives: MM 09 Yaris 5 Dr LB "Click" Join Date: May 2009
Location: ME
Posts: 498
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Quote:
I will do relatively frequent drain and fills. They are very inexpensive insurance for the DIYer. "Lifetime Fills" have more to do with marketing than engineering and anyone in their automotive relationship for the long haul would be well served by a little service once in a while. R2 |
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#3 | |
![]() ![]() ![]() ![]() ![]() ![]() Drives: 08 Yaris Sedan Join Date: Oct 2008
Location: California - Bay Area
Posts: 2,773
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Quote:
Also draining the transmission only gets out about 3-4 quarts. The torque converters on our cars probally hold another 9-10 more quarts. So you are just diluting it. Its still going to be dirty. Put it this way. Take a cup of water. And put some mud in it. Its going to look brown. Then drain only a quarter of the water out and fill it with fresh clean water. Its still going to look brown. You wouldnt want to drink it until its 100 percent poored out and refilled with fresh clean water. |
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#5 |
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School'er of hard knocks
Drives: Silver Yaris 4dr. HB Join Date: Oct 2008
Location: Sudbury, On
Posts: 556
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Mine's a 2007, in Canada. The specs stay the same up to 2009. It would be interesting if the US and Canada have different specs, yet relatively the save climate (save for far South, or far North). A proper flush, with a car lift, is easy to do. They have to hook up a "dummy" electrical current to engage the transmission pump, to flush out all the fluid (along with the pumping of the flush machine itself - this is per the shop manual). You can drain and fill it yourself, but you're only getting a little over half the fluid out at a time. Even if you do your own disposal in someone's dump fluid tanks, it'll take roughly twenty one quarts to flush the majority of it out. For that price, you may as well just get it flushed by the dealer. I'm sorta on the fence in regards to pan drops. Yes, there is a mesh filter in there that theoretically needs replacing, but the likely stripped hex bolts that result from trying to drop the pan, as well as possibly warping the pan, or worse, the interference surface of the pan, makes me think it's just not worth the risk. As always, that's something up to you to decide. The only extra advice I can add is that once the fluid is flushed by the dealer, make sure he checks the level while the fluid is warm: Once again, all the info is available in the shop manual, which is available for download somewhere on YW. |
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