RAVENOL J1C1125 Transfer Case Fluid DTF-1 - Full Synthetic (1 Liter)

Was experiencing the dreaded transfer case slippage at about 50k miles on my Porsche Cayenne. After some research the Ravenol fluid seemed to be what many people had success with. Changing the transfer case fluid on the Cayenne is already very easy, but the fill tube feature in the bottle is outstanding where I didn't need to use a pump or any type of funnel. I immediately felt a difference after the fluid chage. Slippage was gone and shifts are now very smooth. No more hesitation when on the throttle. Out of warranty transfer case replacemet is roughly $4000 at the dealership. Will be changing TC fluid every 10-20k miles from now on as preventative maintenance when I do the regular oil changes. The Porsche feels like a Porsche again.

I definitely feel the difference in acceleration after replacing the old oil in the transfer box with this. I bought the Cayenne used with 134,000 miles and have no history when it was last replaced. I drain it into a jar to measure the amount. It took about 0.8 L. Someone recommended replacing this oil every 20,000 miles.It could improve by providing a better instruction as how to use the bottle. It is actually very cleaver. It has a build-in tube that fits into the refill hole of the transfer case. Just follow the 1 and 2 written on top of the cap. 1 is to bring the two small handles up. 2 is to turn counter-clock wise for about five turns than pull straight up. The tube will come straight out. To fill the transfer case, stick the tube inside the refill hole at least one inch or more before squeezing the bottle to push the oil in the transfer case.Do not twist the big cap off or you will end up leaking oil on the floor as one of the users learn it the hard way. This is not a normal bottle cap that you twist off the cap and pour. Just make sure the tube and cap are snug.

Packaged well and great transfer case fluid!

My girlfriend's 2012 X5 xDrive35i was shuddering badly when cornering (or turning with modest severity, in general), and research pointed to the transfer case being the culprit... either best-case, a fluid swap could resolve the issue, or worst-ca$e, the transfer case would need replacing. OEM BMW fluid runs ~$65/qt. This is around half that, and from what I could tell by looking at the MSDS, this is essentially equivalent to the more expensive OEM fluid. I performed the fluid change (very easy job), and she reported back that the shuddering disappeared, and the car seemed to drive more aggressively/more decisively, in general (consistent with the AWD functioning properly). Great job, Ravenol, and great product!

I tried this because the transfer case in my 958 cayenne was popping and the dealer said it needed to be replaced. The fluid replacement took about 5 minutes total and fixed all of the problems I was experiencing with surging, popping sounds, binding. This inexpensive purchase saved me $3k for just the transfer case without labor. I’m going to start changing this every time I change the oil in the car. Great product!

Great product, Excellent package, that allows for Easy use with Built in Fill tube. You can feel the smoothness of your power delivery right after you change out that old fluid. This is the Butter BABY. Only problem, price keeps going up was 29.99 in July 2018. Changed again in July 2019, fluid looked bad but no silver, unlike my oil change with the Amsoil last year.

10/4/2019 I received 1 liter and installed .85liters of Ravenol ATC Synthetic Transfer Fluid TF-0870 and drained and refilled my transfer case in a 2012 Porsche Cayenne S. It helped a lot with the turning while backing up binding in the drive train and the 2nd gear deceleration "coast" or uneven deceleration problem. It didn't eliminate it, but it shifts and downshifts much better than it had been.2/13/20 I received a reorder of exactly the same thing per the previous order and it originally appeared that they had sent the wrong item. What I received is now labeled Ravenol ATC Fullsynth Transfer Fluid DTF-1. There is an Article Number label on the back of the bottle "Art. 1211128-001" which is identical to the bottle received in October 2019. Problem is the photo of the item depicted on the ad on the website TODAY still calls for the TF-0870. You know this is becoming a giant pain in the ass. Seems like 1/2 the time something I order from Amazon is not what it was, or is even not what it is supposed to be, and it's up to me to determine if its wrong or right. Come on Bezos stop fighting with Trump and get your head in the game. This BS isnt cutting it and I'm looking for new suppliers of what I need and use all the time because of stuff like this. VERY Frustrating !

Awesome stuff. Fixed the shudder and pop in 08 X3. 150k and thought the transfer case was going, so gave this a shot. A drain, transfer pump, and one litre of this "liquid gold" later, X3 rides like new. Amazing results from simple fluid change. I've heard of this working for the same symptoms with other X3s so I recommend giving it a try if you have shudder or popping when turning. This combined with the actuator gear change and very satisfied.