Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (4 Pack)

Works great for toyota yaris. Car has brass synchros which do better with GL4 formulation than the newer GL5 products.

Product was exactly as advertised.

Used in a '94 Toyota Pickup manual transmission. Was having some synchro issues in 2nd gear a few months after trying a competing AMSOIL product. After reading online forum users reporting improvement for similar issues using Red Line I switched and within a few days my gearbox was shifting almost perfectly again.

Just changed my fluid out last weekend, haven't driven it much but so far so good. I will update this posting when I learn more about this top of the line gear lube.

98 celica manual trans fluid

This stuff went into my 2005 Pontiac Vibe. It took 2 quarts and at the end I noticed there was some 'sludge' at the bottom of both jugs. this is GOOD sludge BTW so i took an ounce of old fluid (wasn't that old) to give it something to shake around with. I think it's the esters that sat on the shelf for months that settled. Anyways. get it all out of the bottle and you will be good. This MT-90 fluid made my car shift much better too.

Changed oil to this Red Line in my Jeep wrangler five speed trans and It really is a noticeable smoother shifting.

This stuff is the best. My truck runs so much more smoothly.