Overheating because fan won't come on
Tiffin Zephyr overheated. Towed to Freightliner shop. Fan wasn't coming on. 6 weeks to get part rebuilt, still not fixed. Towed to second shop and after a day of working on it they can't figure out t...
Forum Discussion
Here is a product to eliminate some of the issues with the side radiator coaches. It senses the temperature of the coolant at the thermostat and tells the engine fan when to come on. It will allow the engine fan to run at variable speeds, which will increase mileage.
Take a good look at this product as a solution to your problem.
Source Thermal valve
Take a good look at this product as a solution to your problem.
Source Thermal valve
