Gear oil is a lubricant made specifically for transmissions, transfer cases, and
differentials in ... Also, transmissions which explicitly call for GL-4 oil may have
been designed around this lower ...
The Difference between GL-4 and GL-5 gear oils. 2 of 11. A traditional GL-4 gear
oil of any given viscosity has about ½ of the level of sulfur/phosphorous.
The main difference between GL-4 and GL-5 gear oils is how much extreme-
pressure additive has been included in the mix. GL-5 oil has roughly twice as
The difference between GL-4 & GL-5 is ONLY that GL-5 has an impact .... What
happens if API GL-5 gear oil is used in an API GL-4 gear oil ...
Nov 18, 2015 ... When someone tells you that their GL-5 oil covers GL-4, remember they are
correct as far as EP protection,but that is only half answer.
Aug 9, 2010 ... Today I changed the oil in my '06 Toyota Matrix 5-speed at 21K miles. The
owners manual calls for 75W-90 GL4 or GL5, so I used Valvoline ...
In summary a straight gL4 (not GL4,GL5) , might be the best... ... The Difference
between GL-4 and GL-5 gear oils. A traditional GL-4 gear oil of ...
API GL-4. Medium EP, MIL-L-2105 quality, moderate severity hypoid gears,
manual transmissions. API GL-5. High EP, MIL-L-2105D quality, all hypoid axles,
some ... What is the difference between a gear oil, an atf and an mtf and why are
I've been told that I shouldn't put EP90 GL5 specification oil in the ... of a gear
lubricant are wear prevention, friction reduction between the ...
Sep 13, 2011 ... If you go to an auto parts store and look for GL-4, you most likely won't find any.
What you will find is a lot of of GL-5 gear oils that say on the ...