Customer Ratings & Reviews

After buying a Porsche 911 with a Tiptronic S transmission I was always underwhelmed that the shifts were too smooth and fluid even under hard acceleration, after talking with some pros I decided the best term is sluggish. The transmission fluid was last changed 24,000 miles ago, so it should have had some life left, but I decide to change it anyway. Rather than do a partial change, I refilled and drained it twice, which would have resulted in the old fluid still the torque converter being less than 25%. All I can say is what a difference !!!! The car feels like a manual under hard acceleration. Each shift at 6500 rpm is sharp and firm, and pushes me back in seat like I always expected. When just cruising things are smooth a quiet, downshifts to pass are crisp with out any lag waiting for the engine to rev up. And when spirited driving on track days, the up shift and down shifts are exactly a the Tiptronic should be, with out hesitation or jerkiness as it was before.

I replaced the OEM GM fluid with the Signature Series fluid and no more shudder, my transmission shifts smoother and runs cooler!!

I have used Amsoil products in several of my vehicles and have NEVER had an issue with performance after installing. Two vehicles had noted over-due transmission fluid changes; one over due by 96k and the other over due by 164k ( Yes, that's right ). After removing the pan, thorough cleaning, filter replacement and at least one additional drain = NO! transmission issues due to the fluid change. Don't let mechanics convince you to never change your fluid, if the transmission is operating normally and you are careful and keep the pan and filter dust and lint free, I am convinced you will have no issues after the fluid change. I have full confidence in Amsoil products. Install the best and expect the best protection, reliability and fuel mileage.

This model has had its share of trans shifting problems. Decided to do a complete tranny flush myself and refill Amsoil. So happy it did. The shifting issues are slowly working they’re way out and this vehicle runs so much better. GM uses, well, I’m not sure what they use, but it does seems to be a bad lubricant. Go Amsoil all the way!!!!!

My transmission started slipping between shifts and was getting worse. The transmission shop said I needed to rebuild the transmission. I did a complete exchange with AMSOIL ATF and I haven't had a problem since. That was 90,000 miles ago!

Didnt want to have to get over priced fluid from the dealer. After the fluid change it seems to me that the clutches hook up better and maybe a little faster then factory fluid!

Works for my VW, Ford diesel truck and my Isuzu Trooper. Can’t beat the Preformance and the convenience of just needing one type of fluid for all my vehicles.

Very fast delivery. Most convenient container that I have ever used... never wasted or spilled a drop.

Easy to use and put in. I seem to gain some fuel mileage. I did this on my 2002&2003 Tahoe. I did change all fluids with Amsoil products.

It’s great AMSOIL pays attention and correctly tells you to use this for your transfer case in a 2002 Ford Explorer rather than gear oil or the same transmission fluid that you use for a pan drop because it is a different fluid. As always great quality.

I would never have believed how good it was until I used it.

I got this for my 98 Honda Accord it had a hard shift of each gear. Sometime when turning I would loose power and it would just start revving up before it would go back into gear. With in 1 day of using AMS transmission fluid the was so much better shifting not even hard and no problem around turns now. Will do another drain in 1 month and put fresh fluid again.

I have heard a whole lot of good about the Amsoil products. my wife has got a Jeep Renegade and it was time to change the transmission fluid so i tried Amsoil Synthetic Transmission fluid And as what i heard it works as advertised, I have noticed more of a snap when shifting into gears, then before. Very good product

Definitely worth protecting your transmission with the best.

I've put this in my 2017 Chevrolet Silverado in place of the Dexron VI from GM and I must say it's a vast improvement! The shifts are smoother and the transmission temps are lower. I highly recommend this to anyone with the newer GM 6 and 8 speed transmissions, you'll be happy with the results!

Not much to say, I only use the best materials, fluids available on my machines, so I am pretty much Amsoil dependent. Which can only be a good thing.

easy to use containers

So far I’ve used Amsoil’s gear oil and transmission fluid and I can tell you I feel the difference! I’d highly recommend their products and great customer service. 👍🏽

Smoother shifting, smoother running in all RPM’s, I’m very impressed with my transmission working absolutely perfect on AMSOIL signature series full synthetic fuel efficient transmission fluid.

Have been using this product close to 40 years.