Auto-Rx Customers Questions & Answers

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Advanced Formula Auto-Rx®

Our new blend used since June is only the third blend in our 12-year history and the best we've ever produced. This blend was made to work with most oils, including synthetic oils. The instructions are printed below on how to use this new blend and are on our website, but, unfortunately, many people continue to follow instructions for the previous blend and do not get the savings or the benefits.  



Basic Engine Cleaning
For vehicles in good condition with less than 100,000 miles. This will work for stuck rings, most stuck lifters, and many other situations that are under forced (pressurized) circulation. Not for sludge!  Vehicles with more than 100,000 miles may require a second application. Click here for instructions.
Fast Track for Extreme Sludge & Extreme Oil-Burning
Several factors may cause sludge or extreme oil-burning, and correcting either one is not an exact science. If you still have questions after reading our application instructions, please contact our support tech at  Click here for approved oils>>
Fast Track for Cleaning Engine & Ring Packs for Low Mileage Use
For vehicles that do not meet the mileage requirements for the Basic and the Sludge Applications. Click here for instructions.
Diesel Engine Cleaning
For large and small diesels. Click here for instructions.
Transmission Cleaning
Use the proper application: Automatic, Manual, Power Steering, Differential. Also see FAQs about Auto-Rx in transmissions. Click here for instructions.
Motorcycle Cleaning
Auto-Rx® can be added to your existing oil if you have at least 1500 miles of service life left in the oil, or you can change to fresh oil if you wish. Also see FAQs about Auto-Rx in motorcycles. Click here for instructions.
Seal Leaks 
For rotating seals. Click here for instructions.
Maintenance Program
Extend your oil life and keep engine clean,click here for instructions.


For further information, contact Tech Support: 


Frank Miller


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