Drew Callahan · July 4, 2026
⚠️ Safety Disclaimer: This guide is for informational purposes only. Working under a diesel pusher involves crush hazards, hot driveline components, and pressurized systems. Always chock the wheels, set the parking brake, and consult a certified RV or chassis technician for safety-critical service. Most Dutch Star owners are diligent about the house side of the … Read more
Drew Callahan · June 28, 2026
The air dryer cartridge is one of the maintenance items most Class A diesel pusher owners either forget entirely or push past its service interval because the brakes still feel fine. They feel fine until the desiccant saturates and moisture starts accumulating in the brake lines, which is when “fine” turns into degraded stopping distances … Read more
Drew Callahan · June 27, 2026
Where Is the Air Dryer Located on a Newmar Mountain Aire Spartan Chassis? the air dryer on a Newmar Mountain Aire equipped with a Spartan K2 or K3 chassis is typically mounted in one of two locations: mounted directly to the frame rail in the rear engine bay area, or secured to the chassis frame … Read more
Drew Callahan · June 27, 2026
The air dryer cartridge in your Tiffin Allegro bus is one of those components that doesn’t get much attention until your air brakes start acting up. I’ve replaced plenty of these over the years, and I can tell you the difference between doing it right and doing it wrong is night and day. Here’s what … Read more
Drew Callahan · June 25, 2026
Disclaimer: This guide is for informational purposes only. Always consult a certified RV technician for safety-critical repairs. Improper AC service can void warranties, damage sealed systems, and create safety hazards. Winnebago Forza 36G AC Refrigerant: R-410A Guide & Fixes If you own a Winnebago Forza 36G Class A motorhome, knowing your air conditioning system’s specifications … Read more
Drew Callahan · June 2, 2026
Key Takeaways The Fleetwood Discovery Park’s parking brake system uses spring-actuated air brakes controlled by a dash-mounted push-pull valve — most commonly a Bendix PP-1 or PP-7 — on the Freightliner XC chassis.A failed or leaking park brake valve will…
Drew Callahan · June 2, 2026
Key Takeaways The Tiffin Allegro Bus uses the HWH hydraulic leveling system — one of the most reliable in the industry, but still vulnerable to low fluid, blown fuses, and failed solenoid valves.Low hydraulic fluid is the single most common…
Drew Callahan · June 1, 2026
Key Takeaways The Cummins ISL 8.9L engine in the Tiffin Allegro Bus has six primary coolant leak points: the water pump weep hole, coolant filter housing, EGR cooler, charge air cooler, hose connections, and freeze plugs.A cooling system pressure test…
Drew Callahan · May 31, 2026
Key Takeaways Most Thor Motor Coach Class A models — including the Venetian, Aria, Tuscany, and Palazzo — use the Lippert Schwintek in-wall slide-out system as their primary slide mechanism.The Schwintek system relies on dual IG-42 gearmotors and rack-and-pinion gear…
Drew Callahan · May 30, 2026
Key Takeaways Entegra Coach motorhomes — including the Aspire, Cornerstone, Anthem, Accolade, and Odyssey — are factory-equipped with SHURflo or Aquajet 12V diaphragm water pumps rated between 3.0 and 4.0 GPM.The freshwater pump is typically located in a basement compartment…
