Drew Callahan · April 1, 2026
“Drew, I’ve got a Thor Four Winds that won’t light. It’s clicking, then nothing. Is it the igniter or did I fry the board?” I get that question more often than you’d think, usually from someone parked somewhere cold and running out of patience. The answer almost always starts with the igniter — it’s the … Read more
Drew Callahan · April 1, 2026
I’m standing in front of a Thor Four Winds right now with the access panel off the rooftop AC unit, compressor humming like it’s working hard but the fan blades aren’t moving at all. Hand on the housing—it’s hot enough that I’m not leaving my palm there long. This is the moment where most owners … Read more
Drew Callahan · February 3, 2026
Water Pump Replacement for THOR FOUR WINDS I’ve got the old pump sitting on my workbench right now—the housing is chalky with mineral deposits, the intake port is crusted white, and when I crack it open, the impeller barely moves. That’s what a Four Winds freshwater pump looks like after it’s done talking to you. … Read more
Drew Callahan · February 2, 2026
Slide-Out Motor and Mechanism Service for THOR FOUR WINDS I’ve got the trim panel off and I’m staring straight at the Schwintek mechanism now—gears, rails, the motor coupling still bolted to what used to be a working drive shaft. The slide is stuck three-quarters extended, and before I even test the motor with a multimeter, … Read more
Drew Callahan · February 2, 2026
Roof Seal and Skylight Leak Repair for THOR FOUR WINDS A Thor Four Winds with a weeping skylight will cost you $1,200 to $1,800 in labor alone if you take it to a service center — and that’s before they open up the ceiling to see what the water has already done to your framing. … Read more
