Vehicle report
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.
PIB 494
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-404
NEWMAR CORP.: ON CERTAIN TRUCKS, ON THE LOWER RIDELL AIR SPRINGS, A DEFECT RELATING TO MISSING LOWER SPRING NUTS OR AIR SPRING RETAINER FASTENERS MAY BE LOOSE. MODELS 2005-2013 LONDON AIRE, KING AIRE. *PE
TSB-396
NEWMAR CORP.: ON SOME MANUFACTURED CHASSIS, THE RATIO VALVE CONTROL PORT DIAPHRAGMS, AIR IS ESCAPING AND THERE MAY EXIST A POTENTIAL DEFECT. MODELS 2004-2012 KING AIRE, MOUNTAIN AIRE, ESSEX. *PE
344
NEWMAR CORPORATION: ALL MOTORIZED EQUIPPED WITH NORCOLD REFER. CHANGE COOLING UNIT HEATING ELEMENT VENDORS; THERE IS A NEW STYLE ELECTRIC HEATING ELEMENT THAT MUST BE USED IN CERTAIN NEW COOLING UNITS. *PE
343
NEWMAR CORPORATION: ALL MOTORIZED RV. A THERMAL LIMIT SWITCH IS ADDED TO CERTAIN 1200 LR, 1200 LRIM, AND 1201 LRIM REFRIGERATORS TO PREVENT POSSIBLE EXCESS OR OVERHEATING CONDITIONS IN THE HEATER AREA OF THE COOLING UNIT TO EXCEED A CERTAIN LEVEL. *PE
337
DISCOLORATION IN THE REFRIGERATOR ENCLOSURE WALL ADJACENT TO THE FLUE EXHAUST ON NORCOLD 1200LR REFRIGERATORS. CONCERN IS THAT THE DISCOLORATION IS DUE TO EXPOSURE TO HEAT FROM THE FLUE. *NJ
338
[ENGINE BRAKE] LIGHT FUNCTION WAS PROGRAMMED (DISABLED) IN [ENGINE PROGRAMMING PARAMETERS]. *NJ
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.