Drew Callahan

RV TPMS Installation & Tire Blowout Prevention Guide Your RV’s owner’s manual doesn’t mention TPMS sensors because the factory assumes you’ll never need one—and your tire shop won’t push you to install them because the labor doesn’t move the needle on their bottom line. I learned this the hard way watching a fellow traveler nurse … Read more

RV Freshwater System Sanitization & Complete Winterization Guide I was three days into a boondocking trip outside Moab, Utah, when I noticed it—that faint metallic smell rising off the water as it came out of the kitchen tap, just enough to catch your attention if you weren’t half-asleep. By the next morning, the taste was … Read more

RV Toilet Repair & Replacement Guide (Thetford / Dometic) Most RV owners assume their toilet will work the same way it did on day one—that assumption is wrong. What actually happens is quieter and slower: a seal starts to weep, the foot pedal gets stiffer month by month, mineral deposits build up invisibly inside the … Read more

RV Propane System Inspection & Regulator Replacement Guide I’ve got my toolbench set up next to the wet bay of my current van, and that’s where I found myself last winter when the propane regulator started hissing—not the sharp sound of a leak, but a tired, inconsistent whisper that meant the internal seal was finally … Read more

RV Refrigerator Troubleshooting & Repair Guide (Dometic / Norcold) Let a dead fridge sit for three days and you’re not just throwing out groceries—you’re eating gas station sandwiches and reconsidering this whole full-time thing. An absorption refrigerator feels like black magic when it quits: no compressor to listen for, no obvious moving parts, just a … Read more

RV Black & Gray Water Tank Cleaning, Sensor Repair & Odor Control I’ve got a corroded sensor probe sitting on my bench right now—pulled it from a 2015 Jayco last month—and the crystallized mineral and biofilm coating it is thick enough that you could barely see the electrode underneath. That one part explains everything wrong … Read more

RV Air Conditioner Service & Replacement Guide (Dometic / Coleman-Mach) “Drew, my AC just died completely—it was cooling fine yesterday, and now it won’t even turn on. I’m not hearing the compressor hum or anything. Is the whole unit shot?” That’s the call I got from a friend boondocking near Sedona last month, and it’s … Read more