Drew Callahan · March 21, 2026
I’ve got my workbench set up in the shade behind bay two, and sitting on it right now is a Dometic AC shroud I pulled off a Thor Palazzo last week. The owner called me at 2 PM on a Saturday—kids playing in the background, wife asking what was wrong—because the unit had quit mid-afternoon. … Read more
Drew Callahan · March 20, 2026
“Drew, my Palazzo’s furnace keeps clicking but won’t actually fire. The blower kicks on when I turn up the thermostat, I can smell propane coming from the vents, but nothing ignites. Is this the igniter, or am I looking at a bigger problem?” That question landed in my inbox last winter, and it’s the same … Read more
Drew Callahan · January 1, 2026
Air Brake System Maintenance for THOR PALAZZO I was three days into a late-October run through the Colorado Rockies, climbing toward Vail in a steady drizzle, when my foot brake started feeling mushy. Not catastrophic—just soft, like I was pushing through cotton instead of steel. I pulled over at a rest area, killed the engine, … Read more
Drew Callahan · January 1, 2026
Diesel Engine Oil Service for THOR PALAZZO The Thor Palazzo diesel pusher sits at an awkward middle ground — it’s heavy enough to demand real diesel maintenance discipline, but just small enough that owners sometimes treat it like a gassed-up Class C and skip intervals or grab whatever 15W-40 is on sale at the truck … Read more
Drew Callahan · December 31, 2025
Cooling System Service for THOR PALAZZO I’ve got the radiator cap off and I’m staring down into the PALAZZO’s cooling passages, and what I see tells me everything about why full-timers blow engines on these rigs. The coolant in there is the color of weak tea—not the bright red or orange it should be—and when … Read more
