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.
KSB-191007
Service Bulletin/Repair Instructions
Letter to dealers for KSB-191007. This process describes the repair where under certain temperature conditions the Norco slide cable system gearbox may leak oil/grease on the slide roof membrane. The KSB describes how to install a drip pan to prevent damage to the roof membrane, and make repairs if necessary.
16-270
Service Bulletin/Repair Instructions
THIS COMMUNICATION IS THE FINAL CUSTOMER NOTIFICATION FOR ADVISORY 16-270 FOR THE SPRINTER FURRION 32" TV CAMPAIGN.
16-271
Service Bulletin/Repair Instructions
THIS COMMUNICATION IS INFORMING DEALERSHIP SERVICE DEPARTMENTS OF ADVISORY 16-271 FOR THE SPRINTER FURRION 39" TV CAMPAIGN
16-263
Service Bulletin/Repair Instructions
THIS COMMUNICATION IS THE FINAL CUSTOMER NOTIFICATION FOR ADVISORY 16-263 FOR THE SPRINTER 353FWDEN TV STRAP CAMPAIGN.