Changin differential oil to synthetic ?
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Changin differential oil to synthetic ?
I have 110 000 km on the 2.7 4runner .I`m thinking of changing my differential , transfer case and transmission to synthetic (amsoil or mobil 1 ) .But I heard that sometimes changing to synthetic ant higher mileage may cause problems . Anyone have any opinions ?
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I changed mine and refilled with Amsoil in the diffs, transmission, and transfer case. No leaks yet. Truck had 120,000 miles on it when I changed over.
The one problem I had was the shifting is a little notchy using the Amsoil. This has been discussed numerous time here. Some have changed over to Redline MT-90 in their transmissions to improve the shifting.
I reluctantly tried the MT-90 and would have to say it is a little better than the Amsoil on improving shift quality. It is still a little notchy when I first start off in the morning, but it seems to get better much sooner than when I had the Amsoil in it.
I still have Amsoil in the diffs and T case though.
Just something you may want to think about.
The one problem I had was the shifting is a little notchy using the Amsoil. This has been discussed numerous time here. Some have changed over to Redline MT-90 in their transmissions to improve the shifting.
I reluctantly tried the MT-90 and would have to say it is a little better than the Amsoil on improving shift quality. It is still a little notchy when I first start off in the morning, but it seems to get better much sooner than when I had the Amsoil in it.
I still have Amsoil in the diffs and T case though.
Just something you may want to think about.
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