Alternatively, if this unit is the Ford Triton V10 (2-valve or 3-valve), the RJ prefix sometimes indicates a post-2003 build with hardened valve seats and a revised PCV system. Older V10s were notorious for spitting out spark plugs. Units with serial numbers approaching are considered the "fixed era." Mechanics are scouring salvage yards for these specific codes to swap into older RVs.
: Setting the cab heat to "high" helps pull heat away from the engine block. eng motor home rj01228542 hot
Use low-pressure water or a specialized cleaner to gently remove debris from the radiator fins. Alternatively, if this unit is the Ford Triton
[Engine Block / Heat Source] │ ▼ [Thermostat Valve] ──(Below Operating Temp)──► [Bypass Loop] ──► [Water Pump] │ ▲ (At Operating Temp) │ │ │ ▼ │ [Radiator / Charge Air Cooler] ────────────────────────────────────────┘ 1. The Expansion Tank and Pressure Cap : Setting the cab heat to "high" helps
Do not let your RV sit stagnant for 6 months. Start it up and drive it for at least 30 minutes every month to keep seals lubricated and prevent valves from seizing.
The cooling system is entirely sealed. The pressure cap raises the boiling point of the coolant by approximately 3°F for every pound per square inch (PSI) of pressure applied. A standard 15 PSI cap raises the boiling point of standard water-glycol mixes to roughly 257°F (125°C). 2. Charge Air Coolers (CAC)
So, what makes the ENG Motor Home RJ01228542 "hot"? Here are some of its most impressive features:
