#Oil for o2j manual#

My thinking was that either the OEM oil sheared way down OR the OEM fluid started out much lighter than the 75w-90 oils that many of us are commonly replacing G52 with. I had the lab perform a VOA on the Motul Gear 300 I put in and its = 14.0. The CAT lab ran the viscosity test twice because I listed the oil as being a 75w-90 - which G52 clearly is not. of the factory fill (G52) in my 2004 Golf TDI 5-speed after 43,000 miles was 6.4. Obviously, based upon your success w/ Redline MT-90 in this transmission, Redline MTL should work fine.Īnd yes, I would suggest draining the MT-90 out ASAP and replacing it with something much thinner, as the transmission was designed to tolerate such a heavy lubricant. The correct replacement fluid for this transmission should’ve been Molakule’s MTFGlide, the Genuine VW fluid, or possibly Redline MTL, even though it’s thicker. The decreased shifting performance may’ve been a result of the friction modifiers wearing out and may’ve been unrelated to the slight or no shearing of the fluid. Can a 75w90 possibly shear to 14.5 cst, when 75w90 lubricants are extremely shear stable? Very unlikely. Obviously, this report shows that the original factory fill was the latter, not the former! Some come with a GL-4 75w90, while others come with a lubricant having an automatic transmission fluid like viscosity.

#Oil for o2j manual#

Not all VWs come filled with the same 75w90 manual transmission lube! We go through this silly discussion every time someone posts a VW Manual Transmission Analysis.