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Using Synthetic ATF in a Toyota Transmission
I notice that both Mobil 1 Synthetic ATF and your non-synthetic ATF say they meet Toyota Type T-IV standards. I asked Lexus about switching to synthetic fluid for my 2002 RX 300 and they say absolutel...
ExxonMobil stands behind its automatic transmission fluids, and both Mobil 1 Synthetic ATF and Mobil Multi-Vehicle ATF are suitable for use in Toyota applications where Toyota T-IV type product is rec...
Will Using 0W-20 Oil Cause Lifter Ticking in a Scion xB?
I have a 2009 Scion xB which can use 0W-20 or 5W-20 weight oil. I would like to use the 0W-20; however, I am concerned that if I use the 0W-20 weight oil, it may cause the lifter to tick. I have had p...
The 0W-20 may provide you an edge in fuel economy. If you have a finely tuned ear you may hear lifter tick on start-up which would quickly disappear. We recommend you give the 0W-20 a try and see what...
Is New Formulation Mobil 1 Synthetic ATF Usable for Applications Requiring Dexron III?
It is time to replace the ATF in my 2001 Tundra 4.7 V8. Previously I performed a complete transmission flush using the older Mobil 1 ATF designated Synthetic ATF Multi-Vehicle Formula Dexron/Mercon Me...
The new Mobil 1 Synthetic ATF will meet the requirements of Dexron III as the previous formula did.  Feel confident to continue using Mobil 1 Synthetic ATF. In the product description we recommend Mob...
Any Concerns with Using a 15W-50 Viscosity Motor Oil When Towing a Heavy Load?
I have an '07 Tundra 5.7 I-force. Toyota calls for 0W-20 or 5W-20. My mechanic wants to run 15W-50 since I tow a 7500-lb travel trailer on a monthly basis. I have noticed tapping when the engine is co...
We recommend that you follow your manufacturer's recommended viscosity grade. The engine has been designed hydraulically to handle the 20 grade oil. It will also provide better low temperature pumping...
Is it Okay to Use a Higher Viscosity Oil Than What's Recommended for a Vehicle?
I recently changed my oil to 15W-50 Mobil 1 Extended Performance. I have an old 1990 Toyota 4 Runner with 275,000 miles, rebuilt 75,000 miles ago. I discovered this web site after changing the oil mys...
Either Mobil 1 viscosity grade will provide outstanding protection and performance. For an older vehicle there is a occasional benefit sometimes in using higher viscosity grade oil especially if you a...
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