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.
TSB 446
Service Bulletin/Repair Instructions
NEWMAR CORPORATION HAS DECIDED THAT A DEFECT RELATING TO MOTOR VEHICLE SAFETY EXISTS IN SPECIFIC MOTOR HOMES. NHTSA#: 16V 008 TC#: 2016-018 NEWMAR CORPORATION HAS BEEN ADVISED BY LIPPERT COMPONENTS THAT ON CERTAIN MOTORHOMES USING LCI COACHSTEP ELECTRIC DOUBLE OR TRIPLE ENTRANCE STEPS, THERE IS THE POTENTIAL OF A STRUCTURAL FRACTURE WITHIN THE LIPPERT STEP ASSEMBLY. THERE IS THE POTENTIAL OF A STRUCTURAL FRACTURE OF THE CENTER BOLT OF THE FAN GEAR ASSEMBLY WHICH MAY CAUSE THE FAN GEAR ASSEMBLY TO DISENGAGE FROM THE STEPS. THIS ISSUE CREATES AN UNSTABLE PLATFORM, WHICH COULD CAUSE A PERSON TO FALL AND RESULT IN INJURY.
TSB 418
Service Bulletin/Repair Instructions
Certain Newmar units are equipped with Automotion shades. Attached is information you will need. This will apply when replacing the (old) 5 wire shade motors or changing complete shade when existing (old) shade is 5 wire and new shade motors are 3 wire. When installing the new 3 wire shades or motors you will need a Programmer. Instructions for the Programmer are included.
TSB 408
Service Bulletin/Repair Instructions
ON CERTAIN VEHICLES MANUFACTURED BETWEEN FEBRUARY 18, 2013 AND NOVEMBER 15, 2013, EQUIPPED WITH FRIGIDAIRE KG SERIES MICROWAVES, A DEFECT IN THE MICROWAVE OVEN KEYPAD COULD CAUSE THE OVEN TO ACTIVATE WITHOUT PRESSING ANY KEYS, WHICH COULD RESULT IN EXCESSIVE HEAT, SMOKE OR POSSIBLY A FIRE. NHTSA# 14V-098, TC# 2014-066