
What is GL-4+ - Bob is the Oil Guy
Feb 8, 2004 · A gear oil API GL 4+ exceeds API GL4, but it doesn not fulfill API GL 5. There are some special gearboxes (e.g. VW T4 all-wheel) in which an API GL 4 would not be sufficient …
GL-4 vs. GL-5? | BobIsTheOilGuy
Nov 29, 2002 · It can also be used in rear axles where an API Service GL-4 lubricant is recommended. It should not be used in any transmissions requiring an engine oil or automatic …
Updated List of MTF's (both GL-4 and GL-5) | BobIsTheOilGuy
Jun 5, 2002 · 4. Castrol Syntrans Transaxle 75w-90 5. Ford XT-75W90-QGT (Carries a GL-5 rating as well) 6. Ford MOTORCRAFT® Full Synthetic Manual Transmission FluidXT-M5-QS …
GL-4 or GL-5 | BobIsTheOilGuy
Dec 2, 2014 · The GL-4 Performance Improvement package (additive package) has been tested by the additive suppliers to perform to GL-4 protection levels using modern testing machines. …
Difference between GL4 and GL4+ - Bob is the Oil Guy
Oct 22, 2015 · Is it ok to use GL4+ in place of GL4 in a manual transmission that uses brass synchros? I've read that GL5 has phosphorous GL4 has 1/2 that of GL5 And that GL4+ has …
75W-90 GL-4 (brass synchros) Fluid Options | BobIsTheOilGuy
Jun 8, 2006 · 4. Castrol Syntrans Transaxle 75w-90 5. Ford XT-75W90-QGT (Carries a GL-5 rating as well) 6. Ford MOTORCRAFT® Full Synthetic Manual Transmission Fluid XT-M5-QS …
Can I use 75w instead 70w gear oil? | BobIsTheOilGuy
Feb 29, 2020 · My KIA Ceed recoomends for manual transmission oil: 70W API GL-4. I cant find nowhere 70w oil, so can I use 75w oil (api GL4) instead? Yes, you can and you get stronger oil …
Synchromesh fluids and GL-# ratings.... | BobIsTheOilGuy
Jun 8, 2006 · It also contains a list of GL-4 certified or GL-4 applicable MTFs. This applies to Pennzoil and GM Synchromesh. After my own research on GL-4 applicable MTFs, I'd look for …
GL4 vs GL5 gear oil - Maintenance/Repairs - Car Talk Community
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 75W-90 GL5 oil. It really needed …
School me for a minute on Gear Oil GL4/GL5 | BobIsTheOilGuy
Jul 2, 2007 · The GL-5 just uses twice as much. GL-4 test components are no longer available and have not been for several years. In the past oil companies passed the GL-4 tests with 1/2 …