Forum Discussion
Ed_Manifold
Nov 22, 2015Explorer
On my Phaeton I only use coolant from Caterpillar and I have had it changed about three times If you have a Caterpillar service facility close I would yse them. Don't forget your generator, I assume that's its an Onan and it has its own separate cooling system.
About Motorhome Group
38,763 PostsLatest Activity: Dec 05, 2025