2018 Newmar Essex: common problems
The maker issued 12 service bulletins for this year. Details by component below, with sources.
Key figures
- Technical service bulletins (TSB)
- 12
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 7 |
| Equipment | 0 | 0 | 7 |
| Engine | 0 | 0 | 2 |
| Engine and cooling | 0 | 0 | 1 |
| Fuel system | 0 | 0 | 1 |
| Powertrain | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Suspension | 0 | 0 | 1 |
| Visibility | 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.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Engine and cooling. Radiator and fan after a frontal hit, coolant level and condition, overheating.
- Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Daimler Trucks North America LLC, has decided that a defect relating to motor vehicle safety exists in…
Daimler Trucks North America LLC, has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Freightliner chassis (NHTSA # 20V 485). In response, Newmar Corporation is issuing…
- Daimler Trucks North America LLC, has decided that a defect relating to motor vehicle safety exists in…
Daimler Trucks North America LLC, has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Freightliner chassis NHTSA # 20V 404. In response, Newmar Corporation is issuing NHTSA…
- On certain motorhomes, the bedroom fascia header has the potential to fall unexpectedly on top of the bed…
- 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…
- 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…
- Daimler Trucks North America has issued field service campaign SF543A
In response, Newmar is publishing TSB 493. Issue: On specific vehicles equipped with Stoneridge light bar control units (LBCU), the instrument panel odometer value may reset and no longer match the engine ECU odometer…
- 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…
- Freightliner Custom Chassis Corporation, has initiated Field Service Campaign SF536A to modify specific…
Freightliner Custom Chassis Corporation, has initiated Field Service Campaign SF536A to modify specific Freightliner Custom Chassis X-line motorhome and shuttle bus chassis equipped with multiplex wiper controls…
- Spartan Motors has decided that a defect relating to motor vehicle safety exists in specific motorhomes…
Spartan Motors has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Spartan chassis. In response, Newmar is issuing recall NHTSA # 17v 413. Issue: On certain motorhomes, the…
- Spartan Motors USA, Inc
has decided that a defect relating to motor vehicle safety exists in specific motor homes built on Spartan chassis. In response, Newmar Corporation is publishing the following recall: NHTSA #17V 195 TC #2017-162…
Other years of this model
Questions and answers
What are the most common problems with the 2018 Newmar Essex?
There are no owner complaints in the NHTSA data for this year; the data comes from 12 manufacturer service bulletins.
How many service bulletins (TSB) were issued for the 2018 Newmar Essex?
NHTSA lists 12 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 Essex 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.