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Coolant Overflow Tank Protection Tip

Originally Published in MotorHome Magazine

There has been an ongoing problem with UV damage to the coolant overflow tank, which is in the rear engine area, on many built on the Freightliner chassis. The damage occurs because the tank is out in the grille on the rear and if the coach sits exposed to sun the tank eventually fails and has to be replaced, something that’s pretty expensive.

An easy way to prevent this is to simply tape it up with professional HVAC metal tape, which completely blocks the UV rays. I did this on my motorhome more than four years ago, including the hydraulic fluid tank, and have not even had to replace the tape yet. On my motorhome, the coolant tank is in the back and the hydraulic tank in front. It was a simple $10 fix to a potential problem that could have cost me hundreds of dollars.
E. Don Smith | Chattanooga, Tenn.

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