Is this Normal RPM Speed
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Is this Normal RPM Speed
1992 4Runner Auto. Is this normal?
1) I was going over the Sierras, California to Nevada, and found that the A/T temp light would come on if I ran it above 2500 RPMs. So I was was going about 45 mph the whole way.
2) I was going about 70 mph at about 3000 RPMs Seems a little high but I've never driven another 2nd gen 4Runner.
1) I was going over the Sierras, California to Nevada, and found that the A/T temp light would come on if I ran it above 2500 RPMs. So I was was going about 45 mph the whole way.
2) I was going about 70 mph at about 3000 RPMs Seems a little high but I've never driven another 2nd gen 4Runner.
#4
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I run about 3400 at 72 with 4.88s and 31" tires. My 3.0 absolutely gets best gas mileage when the motor is running 2700 to 3200 rpm on the highway. (20.59mpg a few nights ago) Also, I had trans temp light problems when lugging it too much. If I'm going up a long grade I switch off O/D and it'll never come on. Also had trans flushed at Toyota with the correct fluid in transmission (Dexron III I think) and the transfer case fluid also. Does not come on nearly as much anymore.
Last edited by vasinvictor; 08-18-2010 at 06:30 AM.
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I've had the AT temp light come on about 3 times when I drive through the Sierra (ahem; Sierra is a collective noun meaning "range," you weren't driving through the "Sierras.") In my case, I've pulled over for about 10 minutes and that resolved it.
I drive on cruise control all the time, and I think I get to just the right grade where the transmission is shifting back and forth in such a way that it never reaches lock-up. The Torque converter is working away, raising the temperature. I suspect that if I took it off cruise and "hand drove" it to keep it from shifting as much, I wouldn't get the temperature issue.
But this is just a guess.
I drive on cruise control all the time, and I think I get to just the right grade where the transmission is shifting back and forth in such a way that it never reaches lock-up. The Torque converter is working away, raising the temperature. I suspect that if I took it off cruise and "hand drove" it to keep it from shifting as much, I wouldn't get the temperature issue.
But this is just a guess.
#6
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I've had the AT temp light come on about 3 times when I drive through the Sierra (ahem; Sierra is a collective noun meaning "range," you weren't driving through the "Sierras.") In my case, I've pulled over for about 10 minutes and that resolved it.
I drive on cruise control all the time, and I think I get to just the right grade where the transmission is shifting back and forth in such a way that it never reaches lock-up. The Torque converter is working away, raising the temperature. I suspect that if I took it off cruise and "hand drove" it to keep it from shifting as much, I wouldn't get the temperature issue.
But this is just a guess.
I drive on cruise control all the time, and I think I get to just the right grade where the transmission is shifting back and forth in such a way that it never reaches lock-up. The Torque converter is working away, raising the temperature. I suspect that if I took it off cruise and "hand drove" it to keep it from shifting as much, I wouldn't get the temperature issue.
But this is just a guess.
Stops the hunting, allows the torque converter to lock up which reduces the heat generated.
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