Drew Callahan · March 16, 2026
I’m standing on the ladder with my head tilted up into the rooftop AC when I hear it—that thin, almost apologetic hum. The compressor’s running fine, pushing refrigerant through the lines, but the fan isn’t spinning the way it should. It’s moving, sure, but lazily, like it’s fighting through molasses. Twenty seconds in, maybe thirty, … Read more
Drew Callahan · March 16, 2026
Most American Coach American Eagle owners assume their Suburban SF-series furnace will simply work when they turn up the thermostat — that it’s built tough enough to soldier through season after season without complaint. That assumption costs people sleep on cold nights. A furnace igniter that fails doesn’t fail gently; it fails completely, and suddenly … Read more
Drew Callahan · March 15, 2026
I’ve got my work setup spread across a concrete pad behind bay two at the storage facility where I keep the current rig — socket set hanging on the pegboard, laptop propped on an old toolbox, and a parts catalog open whenever I’m troubleshooting a system that’s gone sideways. Pulled a blackened Suburban igniter electrode … Read more
Drew Callahan · March 15, 2026
Skip this repair and your Tiffin Allegro Bus AC won’t just underperform—it’ll trap you in a rig that either won’t cool at all or keeps nuking your breaker every time you fire it up. A weakening capacitor or dragging fan motor is the kind of failure that sneaks up: one week the AC is sluggish … Read more
Drew Callahan · March 14, 2026
I’ve got a capacitor sitting on my bench right now—pulled it off a Dutch Star that rolled through last week. The casing is bulged on one side, and if you look at the solder joints where it connects to the fan motor circuit board, they’re cracked and discolored from heat cycling. That’s what a dead … Read more
Drew Callahan · March 14, 2026
“Drew, my Allegro Bus furnace clicks three or four times before it finally catches, and half the time it just blows cold air. Is this an igniter thing, or am I looking at something bigger?” I get that question more than I’d expect, and the answer’s usually yes to both. The Tiffin Allegro Bus furnace … Read more
Drew Callahan · March 13, 2026
Most RV owners don’t realize their slide-out motor is undersized until it locks up halfway extended at a campground they can’t leave—and by then, you’re calling a shop and watching four hundred dollars walk out the door. I’ve got the trim panel off on this Crossroads Zinger 261BH, head half-inside the wall cavity behind the … Read more
Drew Callahan · March 13, 2026
Most RV owners assume stabilizer jacks are bulletproof — set them and forget them, right? Wrong. The Crossroads Zinger 261BH stabilizer jack is actually one of the hardest-working components on a bunkhouse trailer, and it fails predictably because nobody respects what it’s actually doing. That rear bunkhouse layout concentrates sleeping weight directly over those jacks, … Read more
Drew Callahan · March 13, 2026
Most Newmar Dutch Star owners don’t realize their furnace’s igniter and control board are on borrowed time until the moment they fail—usually at night, usually in cold weather, usually when the nearest service bay is three hours away. The blower will spin and push air, but no spark, no flame, no heat. I’ve watched owners … Read more
Drew Callahan · March 12, 2026
I was three days into a July booking when the 308BHS owner called—his voice tight, kids yelling over each other in the background. “There’s something wrong with the ceiling,” he said. I walked through the diagnostic anyway: had he seen staining? A soft spot? Smelled anything off? Turns out he’d noticed a faint discoloration near … Read more
