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Service bulletin 42-073

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10140647
Published by NHTSA2018-06-11
Manufacturer's number42-073
Manufacturer's date2017-11-17
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; PARKING BRAKE:CONVENTIONAL:AIR; SERVICE BRAKES, AIR; EQUIPMENT

NHTSA's summary

Transport Dealer Air Leak Inspection

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Equipment and accessories, Labels and manuals, Parking brake

Vehicles listed
FREIGHTLINER 108SD2015, 2016, 2017, 2018
FREIGHTLINER 114SD2015, 2016, 2017, 2018
FREIGHTLINER BUSINESS CLASS M22015 to 2018
FREIGHTLINER CASCADIA2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
DOC-10342252019-06-10. Service bulletin. Accent / Park Light Function Disable Accent / Park Light Function Disable
DOC-10334162018-06-18. Service bulletin. SS 1033416 New Cascadia ICUC Brake Drag Warning Message Appears For Approximately 3 Seconds When Applying Or Releasing The Parking Brake
sb420732018-06-18. Service bulletin. sb42073 Transport Dealer Air Leak InspectionB