The ultimate guide to Ford F53 chassis ownership covering everything from routine maintenance to advanced troubleshooting. Learn about common issues, upgrade options, and keep your motorhome running reliably.
Multiple coil codes on driver side likely common wiring, ground, or PCM driver issue. Check shared circuits before replacing coils.
Most RV heat pumps draw 12-16 amps when running, well within your 30-amp service capacity. However, you'll need to manage other electrical loads to avoid tripping breakers when the heat pump cycles on.
Essential guide for Ford E-Series Class C motorhome chassis covering suspension, maintenance, and common issues.
When your HWH 625S slide solenoids work manually but not from the switch, the issue is likely in the control box wiring or internal components. You can bypass the control box by connecting switch wires directly to solenoid wires, but proper diagnosis should be done first.
Ford V10 coil bolts fit better with 9/32" SAE wrench. Access cylinder 3 by removing doghouse and working from inside RV. Use wobble extensions and swivel sockets for tight areas.
Yes, you're absolutely on the right track - your testing clearly points to a PCM failure in the ground switching circuit for the drivers side coil bank. The fact that you have +12v but no ground pulse during cranking confirms the PCM isn't completing the circuit.
Common firewall modules on 2001 F53 include GEM, Ignition Control Module, and Fuel Pump Driver Module. Your overheated module with heat sink sounds like a power-handling component. Post photos to Ford truck forums for exact identification. Trace wires to identify function.
Norcold Chapter 11 is restructuring, not closure. Parts should remain available short-term. Owners should source needed parts promptly and consider alternatives for major repairs.
54K miles on E450 V10 is moderate and not concerning. V10 engines commonly exceed 200K miles. Check maintenance records and get pre-purchase inspection focusing on overall condition.
If total repairs exceed 50% of replacement cost with problems continuing, replacement makes sense. Refurbished Onan from reputable source with warranty is good option. Get thorough diagnosis before deciding - intermittent issues can often be isolated.
Change plugs now at 30K - lower stuck plug risk than waiting. Use penetrating oil on warm engine, remove slowly. Apply anti-seize to new plugs. Have extractor kit as backup. Proper technique prevents most stuck plug problems.
The 2007 3-valve V10 does not need EGR delete like earlier versions. Focus on regular maintenance: Motorcraft spark plugs, synthetic oil, and transmission fluid changes. Engine is reliable as-is.
For misfire codes on cylinders 5 & 7 in your 2001 Ford E350 V-10, start with the most likely causes: spark plugs and ignition coils. Since you already have these parts, install them first as they're the cheapest fix and most common culprits.
Everything RV owners need to know about the Ford 6.8L Triton V10 engine including common problems and solutions.