WenmarOpen by Wenmar Pro

Service bulletins for the 2017 Freightliner Cascadia

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.

1143 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
SB32-0562022-03-03. Service bulletin. SUSPENSION. Freightliner Service Bulletin for Front Spring Eye Bushing Replacement
SS3083-FTL20212021-12-02. Service bulletin. SUSPENSION. Service Solution for Aero Height Control Interfering with RDF Alignment. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
SS2083FTL20212021-07-22. Service bulletin. SUSPENSION. Service Solution for Aero Height Control Interfering with RDF Alignment and 42/523004/13 and 232/524042/9 Active for vehicles equipped with Hadley Smart Valve. The Aerodynamic Height Control feature on the New Cascadia is a feature that raises and lowers the air suspension with relation to vehicle speed in order to reduce drag and achieve better fuel efficiency. The Hadley Smart Valve (HSV) is the module that makes this possible by applying and exhausting air from the rear axle suspension as necessary.
FAB1432021-05-18. Service bulletin. SUSPENSION. Freightliner Action Bulletin FAB143 Load Transfer Suspension
CALFTL32-0082020-10-19. Service bulletin. SUSPENSION. Customer Advisory Letter for Drive Axle Leaf Spring Pin Hex Nut Torque Inspection. Select New Cascadia vehicles may have been delivered to customers with insufficient torque applied to the hex nuts at the front of the spring hanger.
SB31-0432020-07-31. Service bulletin. EQUIPMENT; SUSPENSION:REAR. Freightliner Service Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non-Airliner rear suspension (bogie) crossmember have changed. The rear suspension bogie crossmember gussets to the C-channel will be assembled with 5/8 - 18 fasteners. This change includes a revision to a higher friction nut that requires an increase in tightening torque. The new higher friction nut can be identified by its green color.
SB32-0332020-03-31. Service bulletin. SUSPENSION. Freightliner Service Bulletin for Front Axle Spacer Replacement. This service bulletin replaces the version dated 05/01/2016. This bulletin is updated to include the parts list. Some vehicles may exhibit a lean (right or left) due to weight difference on the front suspension. While this does not affect the operation of the vehicle, it may be visually unpleasing to many customers. To correct this condition, replace the existing front axle spacer on the low side of the vehicle with a thicker one.
SB00-0382020-03-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; SUSPENSION. Freightliner Service Bulletin for vibration troubleshooting - finding the cause. This version replaces the version dated 5/1/14 and adds New Cascadia.
SB32-0402019-11-20. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; EQUIPMENT. Service Bulletin for troubleshooting Airliner suspension air-spring bag misalignment. This version updates applicability to New Cascadia.
19TL-92019-08-08. Service bulletin. WHEELS; SUSPENSION; EQUIPMENT. DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on DTNA products at DTNA service locations. The Axis4000 system uses the reference points required by DTNA for precise, accurate, and repeatable measurements. Axis4000 is a sophisticated, user-friendly system that utilizes computer based camera-radio technology and references the center line of the frame for measuring and providing alignment results to DTNA specifications.
DOC-10340192019-04-08. Service bulletin. SUSPENSION. Service Solution : 1034019 Cascadia Steer Axle Suspension Dual leaf Spring Squeak.
New Cascadia Cab2019-04-08. Service bulletin. SUSPENSION. Field Service-New Cascadia Cab Air Shocks
DOC-10340192019-04-01. Service bulletin. SUSPENSION. Service Solution : 1034019 Cascadia Steer Axle Suspension Dual leaf Spring Squeak.
New Cascadia Cab2019-04-01. Service bulletin. SUSPENSION. Field Service-New Cascadia Cab Air Shocks
DOC-10341712019-04-01. Service bulletin. SUSPENSION. SS 1034171 Airliner Rear Suspension Chassis Lean Troubleshooting
SF5582019-03-18. Service bulletin. SUSPENSION. Field Service Campaign- Cascadia Front Suspension Crossmember Steel Sleeves
TSN 32-06 Airlin2018-12-10. Service bulletin. SUSPENSION. Technical Service Note: Airliner Rear Suspension Main Crossmember Fastener Replacement.
sb3125 AirLiner2018-12-10. Service bulletin. SUSPENSION. Service Bulletin: AirLiner Suspension Six-Piece Bolted Service Crossmember
sb310372018-10-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; SUSPENSION. With the start of production on February 12, 2018, the fasteners used to assemble Airliner rear suspension crossmembers changed. The forward-suspension crossmember will assembled with 5/8-18 fasteners and the rear-suspension (bogie) crossmember will be assembled with 3/4-16 fasteners.
sb35292018-06-25. Service bulletin. SUSPENSION. sb3529 Axle Alignment Specifications
sb35322018-06-18. Service bulletin. SUSPENSION:MULTIPLE AXLE; EQUIPMENT:MECHANICAL. sb3532 Detroit Drive Axle Identification and LubricationB
fsb420732018-06-18. Service bulletin. SUSPENSION. fsb42073 Inspection d'absence de fuites d'air par les transporteurs concessionnaires
17TS102018-06-11. Service bulletin. SUSPENSION. Detroit? DT12? Split Rod Bushing Repair
sb33292018-04-16. Service bulletin. SUSPENSION. Caster Angle Specifications, Cascadia vs. New Cascadia
17TL252018-02-12. Service bulletin. SUSPENSION. 17TL25 TruckCam? Alignment System

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.