F Fitter30 Joined May 5, 2013 Messages 934 Location Peace valley, Missouri Feb 10, 2018 #1 Has the APIGL-5 rating have run Mobil 1 in a open differential in a 03 astro van. Should I change brands? It has 200,000 miles on it.
Has the APIGL-5 rating have run Mobil 1 in a open differential in a 03 astro van. Should I change brands? It has 200,000 miles on it.
Jimzz Joined Oct 3, 2014 Messages 1,904 Location NoVA Feb 10, 2018 #2 I have used a lot of super tech 75w90 gear oil with no issue. I say go for it if you need to change. I usually run 100k on a open diff that does not tow much.
I have used a lot of super tech 75w90 gear oil with no issue. I say go for it if you need to change. I usually run 100k on a open diff that does not tow much.
S Speak2Mountain Joined Apr 7, 2017 Messages 553 Location Mississippi Feb 10, 2018 #3 Just got my MTF changed w/ST. So much better. Do it.
Z zuluplus30 Joined Nov 23, 2013 Messages 443 Location Fly-Over Country, USA Feb 10, 2018 #4 It's a good lube. Less than $6 per quart. GL-5, MT-1, J2360, MIL-PRF-2105E. It meets all the right specs.
It's a good lube. Less than $6 per quart. GL-5, MT-1, J2360, MIL-PRF-2105E. It meets all the right specs.
MolaKule Staff member Joined Jun 5, 2002 Messages 24,022 Location Iowegia - USA Feb 10, 2018 #5 It's basically MAG1 Differential fluid. Not for use in Manual Transmissions.
S Spartanfool Joined Feb 10, 2008 Messages 441 Location Michigan Feb 10, 2018 #6 Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up?
Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up?
cos Joined Nov 21, 2004 Messages 1,519 Location Metro Detroit Feb 11, 2018 #7 Spartanfool, You might want to try a dedicated manual trans fluid. I run a mix of Amsoil's MTF and MTG.
Spartanfool, You might want to try a dedicated manual trans fluid. I run a mix of Amsoil's MTF and MTG.
A aquariuscsm Joined Dec 30, 2006 Messages 29,558 Feb 11, 2018 #8 Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? I think some Subaru's actually spec a GL5 diff fluid in their manual trannies.
Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? I think some Subaru's actually spec a GL5 diff fluid in their manual trannies.
S Spartanfool Joined Feb 10, 2008 Messages 441 Location Michigan Feb 11, 2018 #9 Originally Posted By: aquariuscsm Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? I think some Subaru's actually spec a GL5 diff fluid in their manual trannies. Yes, it is spec'd for GL5.
Originally Posted By: aquariuscsm Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? I think some Subaru's actually spec a GL5 diff fluid in their manual trannies. Yes, it is spec'd for GL5.
MolaKule Staff member Joined Jun 5, 2002 Messages 24,022 Location Iowegia - USA Feb 11, 2018 #10 Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? Not if it is a Subaru with a common sump driveline system. Ford XT-75W90-QGT Carries a GL-5 rating as well and does have the proper friction modification for manuals', whereas the SuperTech and MAG1 does not. Last edited: Feb 11, 2018
Originally Posted By: Spartanfool Originally Posted By: MolaKule It's basically MAG1 Differential fluid. Not for use in Manual Transmissions. Why not? I used it before in my Subaru 5 speed. Did I screw it up? Not if it is a Subaru with a common sump driveline system. Ford XT-75W90-QGT Carries a GL-5 rating as well and does have the proper friction modification for manuals', whereas the SuperTech and MAG1 does not.