AI Damage2018 Newmar King Aire: common problems
The maker issued 14 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 14
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 0 | 0 | 8 |
| Electrical system | 0 | 0 | 7 |
| Structure | 0 | 0 | 2 |
| Electronic stability control | 0 | 0 | 1 |
| Engine | 0 | 0 | 1 |
| Engine and cooling | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
Comparison
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
- Electronic stability control. ABS/ESC sensors, steering angle, codes after suspension repair.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- On certain motorhomes, the baggage door skins may come loose from the door frame perimeter, possibly…
On certain motorhomes, the baggage door skins may come loose from the door frame perimeter, possibly allowing the skin to separate completely from the door frame.
- On certain motorhomes, the bedroom fascia header has the potential to fall unexpectedly on top of the bed…
- Newmar has determined that the push button switches used during early production of the 2018 King Aire…
Newmar has determined that the push button switches used during early production of the 2018 King Aire coaches have experienced a high failure rate in the field. The replacement switch is more robust than the previous…
- KIB push-button compartment door lock modules on 2018 King Aire coaches may have a software glitch that…
KIB push-button compartment door lock modules on 2018 King Aire coaches may have a software glitch that may cause some modules to fail to automatically acquire their network ID when installed. When operating a…
- Newmar has decided to incorporate a system reset switch for coaches equipped with HWH hydraulic entrance steps
The switch has been added to the front overhead cabinet during production on later 2018 models. If the HWH system fails to operate the pump assembly when using the leveling system touchpad, slideout switches, or the…
- Newmar has decided to install an override switch for the HWH step to provide a way to operate the step…
Newmar has decided to install an override switch for the HWH step to provide a way to operate the step from inside the coach in the event of a sensor or door switch failure. In the event of a step failure, the…
- KIB push-button compartment door lock modules on 2018 King Aire coaches may have a software glitch that…
KIB push-button compartment door lock modules on 2018 King Aire coaches may have a software glitch that may cause some modules to fail to automatically acquire their network ID when installed.
- This Product Information Bulletin?s purpose is to inform technicians that when working on the 2018 New…
This Product Information Bulletin?s purpose is to inform technicians that when working on the 2018 New Aire HVAC system, there is an extra zone thermostat sensor installed in the driver?s side slideout. It is often…
- If the coach's HWH leveling system has intermittent issues when operating, check for corrosion or loose…
If the coach's HWH leveling system has intermittent issues when operating, check for corrosion or loose mounting bolts. Torque the mounting bolts (if needed) to 30 ft. pounds. A ground cable may also be installed to…
- Newmar changed the breaker box wiring and updated the SilverLeaf TM250 Load Management Module to help…
Newmar changed the breaker box wiring and updated the SilverLeaf TM250 Load Management Module to help balance the electrical loads in 2018 New Aire Diesel Pusher coaches. Some coaches may have been shipped without the…
- SilverLeaf has determined that, in some cases, the TM102 Coach Management module (between version 3.38 and…
SilverLeaf has determined that, in some cases, the TM102 Coach Management module (between version 3.38 and 3.42) may not communicate with the engine computer using the 500k baud rate. In response, Newmar has issued TSB…
- Riverpark, Inc
has recently discovered an issue with some of their SD cards that may make the dash radio freeze, run slow, and/or reboot. After testing, Riverpark believes that some of the Kingston SD cards were defective from the…
NHTSA lists 14 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2018 Newmar King Aire?
There are no owner complaints in the NHTSA data for this year; the data comes from 14 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 Newmar King Aire?
NHTSA lists 14 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Newmar King Aire from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.