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.
TSB466Amended
Service Bulletin/Repair Instructions
Check for proper torque of all mounting bolts on all electric slideout motors. If any bolt is under- torqued, remove the bolt, and add blue LOCTITE® thread sealant to the bolt threads. If there is no washer on the nut side of the bolt, add a flat washer. Reinstall and torque all 5/16â bolts to 19 ft. lbs. and all 3/8â bolts to 33 ft. lbs.
TSB472Amended
Service Bulletin/Repair Instructions
Check for proper torque of all mounting bolts on all electric slideout motors. If any bolt is under- torqued, remove the bolt, and add blue LOCTITE® thread sealant to the bolt threads. If there is no washer on the nut side of the bolt, add a flat washer. Reinstall and torque all 5/16" bolts to 19 ft. lbs. and all 3/8" bolts to 33 ft. lbs.
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 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.
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.
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 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.
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.
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 495
Service Bulletin/Repair Instructions
Daimler Trucks North America LLC, on behalf of its wholly-owned subsidiary, Freightliner Custom Chassis Corporation, has issued field service campaign SF546AB. In response, Newmar is publishing PIB 495. Issue: On certain coaches, a check valve is missing on the auxiliary air tank, causing the tag axle steer tires to remain in a turned position when stopping the vehicle during a turn and shifting into reverse. In addition, some of these vehicles also require an air line retrofit.
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.
16V512
Service Bulletin/Repair Instructions
Mailing second notice on not corrected customer letters on NHTSA Recall: Newmar Corporation has decided that a defect which relates to motor vehicle safety exists in specific motorhomes. NHTSA#: 16V 512 TC#: 2016-376 Issue: On certain motorhomes manufactured by Newmar Corporation, the interior front slideout fascia wood trim has the potential to separate from the slideout. If the fascia trim separates from the slideout it could possibly make contact with the occupants causing loss of control of the vehicle resulting in a crash or injury/damage.
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.
PIB 478
Service Bulletin/Repair Instructions
This PIB has been created to note the work instructions contained within the Newgle site for installing a super structure to reinforce an HWH slideout wall.
RSB 474
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 a recall: NHTSA #16V 810 TC #2016-543. On certain motorhomes, wires in the throttle circuit were not shielded properly during manufacturing. This could result in an incorrect throttle setting above or below the commanded throttle setting/input, which may result in a loss of throttle or inadvertent acceleration of the throttle. This condition, depending on the driver's reaction and traffic conditions, may increase the risk of a crash and/or property damage.
TSB 464
Service Bulletin/Repair Instructions
ON CERTAIN MOTORHOMES, THE POWER STEERING PUMP MAY HAVE AN UNDERSIZED BORE IN THE SPOOL HOUSING. THIS MAY CAUSE THE SPOOL TO STICK RESULTING IN REDUCED POWER STEERING FLUID FLOW, WHICH MAY RESULT IN AN INTERMITTENT LOSS OF POWER STEERING. THIS COULD HAPPEN WITHOUT WARNING. AN INTERMITTENT LOSS OF POWER STEERING COULD INCREASE THE RISK OF A CRASH AND/OR PROPERTY DAMAGE. NHTSA#: 16V715, TC# 2016-486
RSB 461
Service Bulletin/Repair Instructions
ON CERTAIN MOTORHOMES MANUFACTURED BY NEWMAR CORPORATION, THE INTERIOR FRONT SLIDEOUT FASCIA WOOD TRIM HAS THE POTENTIAL TO SEPARATE FROM THE SLIDEOUT. IF THE FASCIA TRIM SEPARATES FROM THE SLIDEOUT IT COULD POSSIBLY MAKE CONTACT WITH THE OCCUPANTS CAUSING LOSS OF CONTROL OF THE VEHICLE RESULTING IN A CRASH OR INJURY/DAMAGE. THIS COMMUNICATION INCLUDES REPAIR INSTRUCTIONS FOR RECALL 16V 512.
TSB 462
Service Bulletin/Repair Instructions
ON CERTAIN MOTORHOMES MANUFACTURED BY NEWMAR CORPORATION, THE INTERIOR REAR SLIDEOUT FASCIA WOOD TRIM HAS THE POTENTIAL TO SEPARATE FROM THE SLIDEOUT. IF THE FASCIA SEPERATES FROM THE SLIDEOUT IT COULD POSSIBILY DAMAGE THE FASCIA OR SURROUNDING COMPONENTS.