2018 Newmar Mountain Aire

Defect. Newmar Corporation (Newmar) is recalling certain 2019 Mountain Aire, 2020-2021 New Aire, 2020-2022 Super Star, 2018-2021 Ventana, and Dutch Star vehicles equipped with certain Cummins diesel engines. The sealing washer may not seat correctly in the pilot boreholes, allowing the high-pressure fuel rail assembly to leak.

Risk. A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy. Cummins service centers will inspect the rail threads and fuel lines, and replace the rail as necessary, free of charge. Owner notification letters were mailed on August 24, 2021. Owners may contact Newmar customer service at 1-800-731-8300. Newmar's number for this recall is Cummins 21E-32.

Defect. Newmar Corporation (Newmar) is recalling certain 2017-2022 Dutch Star, 2017-2019 Mountain Aire, 2019-2021 Ventana and 2021 New Aire motorhomes. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Risk. A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy. Dealers will inspect the rail threads, and replace the rail as necessary, free of charge. Interim notification letters were mailed to owners on July 16, 2021. Owners may contact Newmar customer service at 1-800-731-8000. Newmar's number for this recall is Cummins 21E-032.

Defect. Newmar Corporaton (Newmar) is recalling certain 2016-2019 Ventana LE, 2017-2020 Ventana, London Aire, Essex and Dutch Star, 2017-2019 Mountain Aire, 2018-2020 New Aire, and 2020 Kountry Star motorhomes that received the 'inspection-only' remedy from recall 19V-426. The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

Risk. Non-functioning exterior marker lights can increase the risk of a crash.

Remedy. Newmar will notify owners, and Daimler Trucks North America dealers will replace the PDM, free of charge. This recall began September 11, 2020. Owners may contact Newmar's customer service at 1-800-731-8300. Newmar's number for this recall is 20V-404.

Defect. Newmar Corporation (Newmar) is recalling certain 2018-2020 Mountain Aire, Essex, and King Aire motorhomes. The bedroom fascia header may fall unexpectedly onto the bed.

Risk. If the fascia header falls while there is an occupant in the bed, it can increase the risk of an injury.

Remedy. Newmar will notify owners, and dealers will add screws and brackets to properly secure the fascia header, free of charge. The recall began September 17, 2019. Owners may contact Newmar customer service at 1-800-731-8300.

Defect. Newmar Corporation (Newmar) is recalling certain 2016-2019 Ventana LE and 2017-2019 Dutch Star, Essex, London Aire, Mountain Aire and Ventana, and 2018-2019 New Aire motorhomes built on a Daimler trucks chassis. The rear mounted Power Distribution Module (PDM) may have been damaged during manufacturing, possibly resulting in the rear marker lights, brake lights, or turn signals not functioning.

Risk. Nonfunctioning lights can increase the risk of a crash.

Remedy. Newmar will notify owners, and Daimler Trucks dealers will inspect and replace the rear PDM, as necessary, free of charge. The recall began July 18, 2019. Owners may contact Newmar customer service at 1-800-731-8300. Newmar's number for this recall is 18V-852.

Defect. Newmar Corporation (Newmar) is recalling certain 2018-2019 Bay Star, Essex, New Aire, 2018 Bay Start Sport, Canyon Star, Dutch Star, King Aire, Mountain Aire, Ventana LE, Ventana, and London Aire motorhomes. The power supply for the WiFiRanger may overheat.

Risk. An overheated power supply can increase the risk of a fire.

Remedy. Newmar has notified owners, and dealers will replace the power supply, free of charge. The recall began April 18, 2019. Owners may contact Newmar customer service at 1-800-731-8300.

Defect. Newmar Corporation (Newmar) is recalling certain 2018-2019 Newmar Essex, Ventana LE, Ventana, London Aire, and Mountain Aire vehicles. The brake caliper mounting bolts may not have been sufficiently tightened.

Risk. Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

Remedy. Newmar has notified owners, and Daimler Trucks North America dealers will inspect and tighten the brake caliper mounting bolts, free of charge. The recall began January 10, 2019. Owners may contact Newmar customer service at 1-800-731-8300. Newmar's number for this recall is 18V-703.

Defect. Newmar Corporation (Newmar) is recalling certain 2018-2019 Newmar Ventana LE, Mountain Aire, Essex, Ventana, Dutch Star, New Aire, London Aire and King Aire motorhomes. The affected vehicles have entry doors that have latch rods that may be improperly adjusted, allowing the door to open during transit.

Risk. If the door opens during transit, it can increase the risk of injury or a crash.

Remedy. Newmar will notify owners, and dealers will readjust the door latch rod, free of charge. The recall began September 5, 2018. Owners may contact Newmar customer service at 1-800-731-8300.

Defect. Newmar Corporation (Newmar) is recalling certain 2017-2019 Newmar Ventana LE and Ventana motorhomes, 2018 Mountain Aire and Essex motorhomes, and 2017-2018 London Aire motorhomes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.

Risk. If the brake caliper mounting bolts loosen, braking performance may be reduced, increasing the risk of a crash.

Remedy. Newmar will notify owners, and authorized Daimler Trucks service centers will inspect the caliper mounting bolts and tighten them to the proper specification, free of charge. The recall began on August 30, 2018. Owners may contact Newmar customer service at 1-800-731-8300. Newmar's number for this recall is 18V-353.

Defect. Newmar Corporation (Newmar) is recalling certain 2018 Newmar Bay Star, King Aire, London Aire, Mountain Aire, Bay Star Sport, Canyon Star, Dutch Star, Essex, New Aire, Ventana LE, and Ventana motorhomes. When the ignition key is in the off/accessory position and the battery disconnect is on, the slide-out rooms on these vehicles may move in or out unexpectedly.

Risk. If the slide-out room moves unexpectedly, it can increase the risk of injury.

Remedy. Newmar will notify owners, and dealers will replace the slide-out room controller, free of charge. The recall began August 24, 2018. Owners may contact Newmar customer service at 1-800-731-8300.

These vehicles, built on a Spartan K3 chassis and powered by a Cummins ISX-12 engine are experiencing very high failure rates in the DEF system control head. When the control head fails, it sends error codes that result in derating engine power dramatically and/or immediate engine shut-down. This creates a very dangerous situation for anyone driving a motorhome that experiences this problem. In extreme cases, it may stop the vehicle in traffic lanes. Spartan Chassis says replacement DEF control heads are in extremely short supply and they will not provide one to a repair facility unless the affected vehicle has experienced a full derating; an initial warning message of a failing control head is deemed insufficient cause for them to provide a replacement part. Their official response is that “you must drive it until it fails before we will provide a replacement unit.” This means drivers of these motorhomes will either be subject to sudden (and, potentially very dangerous) engine shut-down, or they must cease using their expensive motorhome until such time as Spartan Chassis feels they again have a sufficient stock of replacement units. Many motorhome owners use their vehicles full time; they are their home. The inability to safely use them places a huge burden on those owners. I believe NHTSA needs to issue a recall on affected vehicles and direct Spartan Chassis to implement a software emergency bypass of the engine derating caused by a faulty DEF control head. It is my under