Auto Trak II Vs Dexron VI | Differences You Should Know
To run your vehicle smoothly and get the best performance, you will need to change the transfer case fluid. GM vehicles with 4WD automatic transmission come with a transfer case and they recommend changing the fluid after 30K-60K regular drive. And GM also recommends using Auto Track II fluid in their transfer case.
Although, Auto Track II and Dexron VI are generally different types of fluid they have some similarities also. Some car experts recommend using Dexron VI instead of Auto Track II in some conditions. And that’s why here we going to discuss Auto Track II Vs Dexron VI.
What is Auto Track II?
Auto Track II is a transfer case fluid approved by General Motors for their 4WD vehicles with automatic transmission and transfer cases. You must check your vehicle handbook to find this recommendation or contact a local GM-approved service center.
However, the current manufacturer of Auto Track II is ACDelco and the fluid comes with improved oxidation resistance. This helps to improve the transfer case life as well as helps to operate at high temperatures. The fluid is made of lubricating oils (petroleum), C15-30, hydrotreated neutral and it’s an oil-based fluid.
The flash point of Auto Track II is 212 °C (414 °F) and the fire point is 228 °C (442 °F). The viscosity index of Track II is 7.33 cSt (100 °C / 212 °F) which is great to work in both hot and cold environments. However, the fluid is stable under normal conditions and does not produce hazardous polymerization.
What is Dexron VI?
Dexron VI is a full-synthetic transmission fluid engineered for the GM automatic transmissions for the model year 2006 and later. The fluid was approved by the GM under US Patent US8642519B2. Although, the fluid is mainly developed for transmission, according to some car experts, it can be used in the transfer case as transfer case fluid.
Auto Track II Vs Dexron VI
The main difference between Auto Track II and Dexron VI is that the Auto Track II is a transfer case fluid developed for the GM 4WD transmissions with a transfer case. On the other hand, Dexron VI is a synthetic ATF that is recommended by GM for the GM 6-speed automatic transmissions.
Auto Track II Fluid Alternative
If you are unable to find the Auto Track II in your near dealer or shop, then there are a few Auto Track II Fluid alternatives you can use. Here are they.
According to several experts, Royal Purple Syncromax and Valvoline Transfer Case Fluid work best as alternatives to the Auto Track II. And we recommend the Valvoline Transfer Case Fluid as the best alternative. Valvoline mentioned GM Auto Track II as the recommended application for this fluid.
Related Questions and Answers
Can I Mix Auto Track II and Dexron VI?
No. The basic properties and functionalities of these two fluids are different. So you can’t mix them.
Can I mix different types or colors of transfer case fluid?
No, it’s not recommended as different transfer case fluids are designed for different types of vehicles.
What Type of Transfer Case Fluid Should I Use On My Vehicle?
For the best possible result, check your vehicle handbook to find the recommended transfer case fluid.
What Color is Auto Trak II Fluid?
Blue.
What Color Should Transfer Case Fluid Be?
Different transfer case fluids come in different colors. Auto Track II comes in blue color and the most common color is red.
Is Auto Trak II Fluid Synthetic?
Yes, it’s a fully synthetic fluid.
Final Words
Different transfer case fluids have different properties and are formulated for specific types of vehicles. So, find the right transfer case fluid for your vehicle according to its manual. Using the right type of transfer case fluid can ensure the best performance and longevity.
References:
Trans X vs Lucas Transmission Fix | Which Is Better?
Where is the Transmission Fluid Pressure Sensor Located?
ATF 4 Vs Dexron VI | Similarities and Differences
About Author
Charles Corbett
Hi, I’m Charles Corbett behind this automotive blog. I have more than 10 years of experience working with different car engines and transmissions. Check more details about me on the about page.
