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Service bulletins for the 2018 Western Star 4700

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.

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

By type

By component

Bulletins, newest first
DOC-10334632018-10-29. Service bulletin. POWER TRAIN. SS 1033463 - WST 4700 Transmission Oil Cooler Lines Routing Improvements
DOC-10334622018-10-29. Service bulletin. VISIBILITY; EQUIPMENT ADAPTIVE/MOBILITY. SS 1033462 - WST Cab Mounted Mekra Mirror Cover Chrome Peeling
DOC-10334462018-10-29. Service bulletin. POWER TRAIN. SS1033446 Driveline Support Bearing - Meritor Driveline
DOC-10334032018-10-29. Service bulletin. VISIBILITY. SS 1033403 - WST Wiper Motor not Parking Issues
MY18M42018-10-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. MY18M4-Bulletin-02-MAY-2018 Field Service Campaign D18M4
aeo18M42018-10-29. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. aeo18M4 Field Service Campaign D18M4
0508-182018-10-29. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0508-18 Aftertreatment
0505-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 0505-18 SPN 3563 HDEP Inlet manifold pressure Too Low
0504-182018-10-29. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. 0504-18 Fuel System - Fuel Injectors
0503-182018-10-29. Service bulletin. ENGINE; EQUIPMENT. 0503-18 Relative Cylinder Compression Test
0502-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING. 0502-18 Symptom Diagnostics - Low Engine Coolant Temperature
0501-182018-10-29. Service bulletin. ENGINE; EQUIPMENT; ELECTRICAL SYSTEM. 0501-18 Aftertreatment Control Module (ACM)
18SP7342018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 18SP734 18SP734?GHG14 DD15AT Turbocharger
sbw310132018-10-29. Service bulletin. EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY. With the start of production on March 6, 2018, the fasteners used to attach the slide- and plate-mount style fifth wheels to the outboard angles changed to M16 metric bolts, nuts, and washers.
sbw83292018-10-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:FRAME AND MEMBERS. In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh air intake on the frontwall on 47,00,4900, and 5700 models.
sbw00052018-10-29. Service bulletin. EQUIPMENT:OTHER:LABELS. If a GVWR certification label is lost or damaged, Freightliner will supply a duplicate label. Log on to DTNAConnect.com and under "DTNAConnect Resources", select the "Tool and Services" plus sign. Select "Request for Certification Labl or OWI." Fillout the form, then select "Review."
ICI18-016 FL7562018-10-29. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. The automatic connector terminal removal tool is part of tool kit DDE KI0CHA17001.
FL7662018-10-29. Service bulletin. EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY. Improperly installed power stud may contact the bulkhead, resulting in potential arcing, which may increase the risk of fire.
FL7562018-10-29. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM. Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal.
DOC-10333332018-10-29. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. SS 1033333 - WST ECC Replacement Jumper Harness Installation.
0312-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 0312-18 Installation Output Shaft Seal
0311-182018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT. 0311-18 Installation of the Main Shaft Speed Sensor
aeo18M12018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM:SOFTWARE. aeo18M1 GHG14 Heavy Duty Engine Platform Vocational Application Programming
MY18M12018-10-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ELECTRICAL SYSTEM:SOFTWARE. MY18M1a 05-MAR-2018 Vocational
0405-182018-10-01. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; POWER TRAIN. 0405-18 Symptom Diagnostics - Range Up or Down Shift Issue

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