Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
21V506
Service Bulletin/Repair Instructions
Daimler Trucks North America has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Freightliner chassis (NHTSA #21V 326) based on Cummins recall (NHTSA # 21E 032). In response, Newmar Corporation is issuing recall NHTSA # 21V 506 and TC # 2021-427. On certain motorhomes, as described in Cummins recall 21E-032, the fuel rail assembly on the engine may develop leaks, which may result in an undetected prolonged diesel fuel spray. A leak involving spraying/misting fuel in the presence of an ignition source may increase the risk of fire.
21V372
Service Bulletin/Repair Instructions
The Shyft Group Inc. (Spartan Chassis) has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Spartan chassis (NHTSA #21V 319) based on Cummins recall (NHTSA # 21E 032). In response, Newmar Corporation is issuing recall NHTSA # 21V 372 and TC # 2021-303. On certain motorhomes, as described in Cummins recall 21E-032, the fuel rail assembly on the engine may develop leaks, which may result in an undetected prolonged diesel fuel spray. A leak involving spraying/misting fuel in the presence of an ignition source may increase the risk of fire.
19V 610
Service Bulletin/Repair Instructions
On certain motorhomes, the bedroom fascia header has the potential to fall unexpectedly on top of the bed mattress.
19V 426
Service Bulletin/Repair Instructions
Daimler Trucks North America LLC has decided that a defect, which relates to motor vehicle safety, exists in specific motorhomes built on Freightliner chassis (NHTSA # 18V 582 ). In response, Newmar is releasing NHTSA # 19V 426.
19V 257
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect, which relates to motor vehicle safety, exists in specific motorhomes with the WiFi Ranger option and a specific power supply.
PIB 541
Service Bulletin/Repair Instructions
Some coaches equipped with both the SilverLeaf system and a TRC transfer switch (model 40350RVC-40350RVC3) may receive a warning on the SilverLeaf touchscreen that reads âtransfer switch 0-0 failure unknown.â This is a false warning caused by the TRC transfer switch program code.
PIB 539
Service Bulletin/Repair Instructions
The driver console USB port to the Xite G3 system may not function properly when plugged into the USB dongle on the Xite G3 system.
RSB 537
Service Bulletin/Repair Instructions
Daimler Trucks North America, LLC has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Freightliner Chassis (NHTSA 18V 703). In response, Newmar Corporation is releasing recall NHTSA 18V 859 and TC # 2018-669. Issue: On certain motorhomes, the brake caliper mounting bolts may be incorrectly torqued. Insufficiently torqued bolts may not provide adequate clamping force between the brake caliper and brake anchor plate potentially resulting in reduced brake effectiveness. Reduced brake effectiveness could lead to a vehicle crash and/or property damage.
PIB 538
Service Bulletin/Repair Instructions
Newmar has made a change to the water pump circuit fuse on certain coaches to improve customer experience. In most cases, the 10 amp fuse installed by the factory is sufficient. However, some coaches equipped with a ShurFlo water pump (Newmar part # 127488) blow the 10 amp water pump fuse.
PIB 527
Service Bulletin/Repair Instructions
If a customer complains about their satellite, this product improvement bulletin may be helpful. This will only apply to coaches equipped with an HDMI/ CAT6 splitter AND the customer has installed a Geni-type satellite receiver. In this scenario, the customer may have issues trying to select satellite stations that toggle between high definition (HD) and standard definition.
RSB 528
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motorhomes. NHTSA 18V 518, TC# 2018-413. Issue: On certain motorhomes, the latch on the entry door may not engage properly. This may allow the door to open unexpectedly while the vehicle is in transit, increasing the risk of injury.
RSB 530
Service Bulletin/Repair Instructions
Daimler Trucks North America, LLC has decided that a defect relating to motor vehicle safety exists in specific motorhomes built on Freightliner Chassis (NHTSA 18V 353). In response, Newmar Corporation is releasing recall NHTSA 18V 505 and TC # 2018-401. Issue: On certain motorhomes equipped with air disc brakes, the brake caliper mounting bolts may be incorrectly torqued. The caliper bolts may loosen, which may lead to the caliper detaching. Insufficiently torqued fasteners may not provide adequate clamping force between the brake caliper and brake anchor plate, potentially resulting in reduced brake effectiveness. This scenario would result in greater stopping distances, increasing the risk of a crash causing injury and/or damage to property.
RSB 526
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motorhomes. NHTSA # 18V 438, TC# 2018-349 Issue: After the battery disconnect is turned on, the slideout controller may cause the slideouts to extend or retract without warning. This could increase the risk of injury and/or damage to property. This condition can only occur with the battery disconnect on and the ignition key in the off/accessory position.
PIB 529
Service Bulletin/Repair Instructions
This bulletin was created to inform dealers and techs that an updated linkage is available that provides a remedy for binding linkages to the power actuator. This issue often creates difficulty when locking or unlocking the compartment door using the key and is only relevant on 2016 to early 2019 model year coaches equipped with power baggage locks.
RSB 522
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motorhomes. NHTSA 18V 387 TC 2018-303 Issue: On certain motorhomes, the windshield wiper arms may have been manufactured incorrectly. This may reduce the driver?s visibility under certain conditions and increase the risk of a crash and/or property damage.
TSB 525
Service Bulletin/Repair Instructions
Newmar has determined that the Bose 300 sound bar may come loose from the mounting brackets.
RSB 519
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motorhomes. Recall NHTSA 18V 236, TC 2018-182. On certain motorhomes, there may be loose electrical connections in the breaker box that were not properly tightened. A loose power connection may cause a buildup of heat at the connection, potentially increasing the risk of overheating or a fire causing injury and/or damage to property.
PIB 511
Service Bulletin/Repair Instructions
Certain Dash Xite Radio USB Inputs may have been spliced without the shield of the cable properly attached. If affected, the USB ports may not be active as the USB input to the Xite Infotainment center. The affected USB input is normally located on the driver side console
TSB 514
Service Bulletin/Repair Instructions
On 2017 and 2018 Ventana and Dutch Star coaches with the 4310 floorplan and 2017 Mountain Aire and London Aire coaches with the 4525 floorplan equipped with a 85,000 BTU Oasis NES hydronic heating system, the hydronic heating system fuse and wiring may be undersized. Issue: The fuse may blow due to overload.
RSB 506
Service Bulletin/Repair Instructions
Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motorhomes. Issue: On certain motorhomes, there may be a loose electrical connection to the automatic transfer switch (ATS) that was not properly tightened. If the power connection is loose, it may result in a buildup of heat at the connection, which may increase the risk of fire causing injury and/or damage to property.
PIB 494
Service Bulletin/Repair Instructions
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 improve the overall grounding of the HWH pump assembly.
TSB 491
Service Bulletin/Repair Instructions
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 491. Issue: During coach startup, the TM102 Coach Management module may crash the 500k data bus.
TSB 493
Service Bulletin/Repair Instructions
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 value.
RSB487
Service Bulletin/Repair Instructions
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 factory. In response to their findings, Newmar Corporation is issuing TSB 487 to inform dealers and service personnel of the defective parts. Issue: When the SD card plays in the Xite Infotainment Center, it loses communication after a period of time (typically 7-10 minutes). The system becomes sluggish and tries to re-boot continuously. This is partly due to the inability to read the cards information quickly enough, causing the radio?s CPU to ?max out,? resulting in the previously described freezing and rebooting symptoms.
RSB485
Service Bulletin/Repair Instructions
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, manufactured March 21, 2016, through January 2, 2017. In response, Newmar Corporation published TSB 485 to inform our dealers and customers. Issue: On some vehicles, the windshield wiper intermittent delay function is incorrectly set to a fixed delay.
RSB 477
Service Bulletin/Repair Instructions
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. Issue: On certain motorhomes, the ball joints on the independent front suspension may be loose. If not detected, the loose ball joints could separate over time. This could affect vehicle handling and increase the risk of a crash causing injury and/or damage to property.