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
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.
344
Service Bulletin/Repair Instructions
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
Service Bulletin/Repair Instructions
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
341
Service Bulletin/Repair Instructions
STEERING GEAR SEAL LEAKS FLUID. *PE
337
Service Bulletin/Repair Instructions
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
306
Service Bulletin/Repair Instructions
OPTICAL WARNING DEVICES - TURN SIGNAL STALK OPERATION IS AWKWARD. SPARTAN CAMPAIGN TSB06-540-0002 MH586. *NJ