I have been having overheating issues with my 2005 HEMI Jeep Grand Cherokee (113K Miles) for as long as I can remember. The dealer told me time and time again that these SUV's just run hot. I replaced the Radiator and Thermostat and noticed very little improvement. I tried every Antifreeze/Coolant out there with little success! A friend of mine recommended a Coolant Additive from a Company called Nano Pro MT called NANO COOL. It cost $17.99 via their eBay Store ( https://www.ebay.com/itm/100-Authentic-Nano-Pro-MT-NANO-Cool-Antifreeze-Coolant-Additive-Brand-New-2020/164024870872?hash=item2630a4e7d8:g:NmgAAOSw3~ZeHKBV) and came in a 16oz Bottle! I flushed the Radiator put new Coolant in along with The Nano Cool Additive.
The following day I put about 25 miles on the Jeep in heavy Rush Hour Traffic and was amazed with the result. My temperature gauge averaged 9-10 degrees cooler and the Temp gauge never got close to the "Danger Zone" . I am going on 2 weeks and 300+ miles on the same bottle on Nano Cool mixed with my regular Coolant and the engine temp is the same as the day I added the Nano Cool! I was very skeptical in the beginning however, now I swear by this stuff and purchased a Full Case and a few of their other products from their eBay Store ( https://www.ebay.com/usr/nanopromt). They also have excellent customer service and answered all of my questions promptly.
I thought I would share this Hidden Gem in case anyone else out there is having overheating issues with their vehicle! I have attached pictures I pulled from their website! The company looks to be pretty serious on the Racing Scene and connected to Roush Performance!
Happy New Year,