This week I spent some time researching the use of ELC (Extended Life Coolant) such as Peak Final Charge in a Navistar 7.3 indirect-injection motor. Most ELC coolants use organic acid technology to prevent cavitation and corrosion. I did a quick google search (Otherwise known as the rumor mill) on the topic and was unable to find anything conclusive... Everyone's buddy had problems with ELC coolant deteriorating gaskets and seals but somehow this "buddy" never voiced his own opinion. Upon further research I found a TSB on the topic. In International's compatibility testing they found that all engines manufactured pre-02/02/1999 or serial number 940614 should not use ELC coolants due to injector cup deterioration and seal failure. This TSB however only applies to the 7.3 powerstroke engines and I failed to find any research on it's use in the 7.3 idi (The forerunner to the powerstroke) or if there are any required updates for its use. I've contacted Peak (Coolant product manufacturer) and I'm waiting for a reply on the compatibilty of their products.
I completed CAT Basics C & D And I watched the Lethal Strike video.
Week: 42
Total: 136
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