Drew Callahan · March 23, 2026
Walk into any RV dealer service department and they’ll tell you that furnace problems on a Holiday Rambler Navigator almost always point to a bad igniter—replace that $40 part and you’re done. But spend five minutes in an RV forum, and you’ll hear a different story: plenty of owners swapped the igniter, got nothing but … Read more
Drew Callahan · March 23, 2026
Holiday Rambler Navigators have a specific weak point that catches most owners off guard: the run capacitor on the rooftop AC unit fails silently, and by the time you realize something’s wrong, the fan motor is already being starved of the electrical support it needs to function properly. You’ll notice the cooling takes longer, or … Read more
Drew Callahan · March 23, 2026
Your Jayco Alante’s owner’s manual won’t mention it, and the service department charging you $400 in labor won’t explain it either: the rooftop AC unit’s most common failure has nothing to do with refrigerant or compressor wear. It’s a capacitor—a small cylindrical component that costs less than a tank of propane but makes the difference … Read more
Drew Callahan · March 22, 2026
It was November, maybe fifty-two degrees outside, and I’d cranked the thermostat to heat mode expecting the familiar low rumble of the Jayco’s furnace catching. Instead: click. Click. Click. Then nothing. No roar, no warmth building in the ducts, just that hollow, repeating tick that told me the igniter was cycling without actually firing the … Read more
Drew Callahan · March 22, 2026
Most Winnebago Forza owners assume their rooftop AC will soldier on indefinitely—that it’s built to last as long as the diesel engine underneath. That assumption costs people money, comfort, and peace of mind. The truth is simpler and harder: Winnebago, like every other manufacturer writing a spec sheet and a price, cuts corners on climate … Read more
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 21, 2026
Lose your furnace igniter or control board on a Winnebago Forza when you’re parked alone in November temps, and you’re not just uncomfortable—you’re in genuine danger. A furnace that won’t light is a furnace that won’t keep you alive if things go sideways. I’ve spent enough nights in remote spots to know the difference between … Read more
Drew Callahan · March 20, 2026
I’ve got a blackened igniter electrode sitting on my workbench right now — pulled from a Berkshire that came in last month with the owner convinced the whole furnace assembly was toast. The ceramic around the spark point is cracked, the tip’s carboned over to nearly nothing, and the wire connector shows green corrosion where … 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 · March 20, 2026
I’m standing on the ladder with my head tilted up into the rooftop AC shroud, one hand on the blower housing and the other holding a multimeter. The hum is there — the compressor is spinning fine — but the fan blade barely moves. It’s 98 degrees outside, and inside the Berkshire it’s climbing toward … Read more
