Repairs Class A

Newmar Dutch Star Chassis Fluids: Transmission Check & Hub Oil

· July 4, 2026
Newmar Dutch Star Hydraulic Filter Change: Step-by-Step Guide

⚠️ 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. Castrol TranSynd 668 Synthetic Automatic Transmission Fluid Check the Allison dipstick color … Read more

Class A Diesel Pusher Air Dryer Cartridge Replacement Guide

· June 28, 2026
Class A Diesel Pusher Air Dryer Cartridge Replacement Guide

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

Newmar Mountain Aire Air Dryer Replacement: Spartan Chassis Guide

· June 27, 2026
Newmar Mountain Aire Air Dryer Replacement: Spartan Chassis Guide

  AD-9 107794 Style Desiccant Cartridge Most common spec across pre-2015 Class A Freightliner and Spartan platforms. Check Price on Amazon → R950011 Air Dryer Cartridge — WABCO System Saver 1000 & 1200 Built to System Saver specs — stage it before you start the job. Check Price on Amazon → 130504 Desiccant Cartridge — … Read more

Tiffin Allegro Bus Air Dryer Cartridge Replacement Guide

· June 27, 2026
Tiffin Allegro Bus Air Dryer Cartridge Replacement Guide

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

Winnebago Forza 36G AC Refrigerant: R-410A Guide & Fixes

· June 25, 2026
Winnebago Forza 36G AC Refrigerant: R-410A Guide & Fixes

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. The refrigerant for this system: R-410A — verify your AC unit before purchasing — — R-410A Refrigerant on Amazon → Winnebago Forza 36G AC Refrigerant: … Read more