Transmission Flush
#1
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Transmission Flush
I have a '99 Limited with 215,000 miles on it.
I've always changed the trans fluid at 30,000 miles, but my mechanic recommended a trans flush. He is very conservative and I trust his recommendations.
He used Toyota ATF, not Dexron III. He flushed 16 quarts through it and then refilled.
The tansmission shifts MUCH more smoothly, even though it worked well to begin with. Shifts are almost undetectable and it shifts more quickly. Also, when the trans is cold, it no longer shifts at a higher RPM in second gear the way it used to.
I've always changed the trans fluid at 30,000 miles, but my mechanic recommended a trans flush. He is very conservative and I trust his recommendations.
He used Toyota ATF, not Dexron III. He flushed 16 quarts through it and then refilled.
The tansmission shifts MUCH more smoothly, even though it worked well to begin with. Shifts are almost undetectable and it shifts more quickly. Also, when the trans is cold, it no longer shifts at a higher RPM in second gear the way it used to.
Last edited by Potomacduck; 10-09-2007 at 08:59 AM.
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My mechanic uses ATF from Toyota, it's marked Toyota on the container. I've always used Dexron III myself, but he uses the factory stuff, which for all I know, is the same thing.
Last edited by Potomacduck; 10-09-2007 at 09:00 AM.
#5
i know they say toyota atf but some are T-IV's , dexIII's etc etc i am assuming he put T-IV in, and i hope he didnt bc your truck is spec'ed for dexIII correct or do you know??
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There was a guy, forgot his name, who was talking about the difference between T-IV and Dexron III. He really seemed to know his stuff, I think his job was to analyze ATF fluid. Anyway, he was saying that T-IV is very close to the same as Dexron III but it shifts a little bit crisper because it has a bit more friction.
Dexron III and T-IV are formulations. Your mechanic very well could have used Toyota Dexron III or T-IV.
BTW, I think your transmission is supposed to shift at higher RPMs when the truck is cold. This is to get the engine up to running temp as soon as possible since that is when it is most efficient. Maybe that part is in your head?
Dexron III and T-IV are formulations. Your mechanic very well could have used Toyota Dexron III or T-IV.
BTW, I think your transmission is supposed to shift at higher RPMs when the truck is cold. This is to get the engine up to running temp as soon as possible since that is when it is most efficient. Maybe that part is in your head?
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#8
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Hey, sorry to hijack this thread, but I thought it better than starting a new one. Anyway, I am in the process of changing my ATF and the trans filter. I have a 1998 Taco, which calls for Dextron II ATF. However, the closest I have found is Dextron III. Is this going to be okay to use? What is the difference between Dextron II and III? Any advice into the matter would be appreciated. P.S. My Taco is supercharged, so the extra power might have an effect?
#9
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Hey, sorry to hijack this thread, but I thought it better than starting a new one. Anyway, I am in the process of changing my ATF and the trans filter. I have a 1998 Taco, which calls for Dextron II ATF. However, the closest I have found is Dextron III. Is this going to be okay to use? What is the difference between Dextron II and III? Any advice into the matter would be appreciated. P.S. My Taco is supercharged, so the extra power might have an effect?
#10
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Hey, sorry to hijack this thread, but I thought it better than starting a new one. Anyway, I am in the process of changing my ATF and the trans filter. I have a 1998 Taco, which calls for Dextron II ATF. However, the closest I have found is Dextron III. Is this going to be okay to use? What is the difference between Dextron II and III? Any advice into the matter would be appreciated. P.S. My Taco is supercharged, so the extra power might have an effect?
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i had my 98 auto flushed last week at the dealer, they only charged me for 12qts! Am i four qts short? i swear it's not shifting as smoothly as it was before and i was expecting a big change.
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