WenmarOpen by Wenmar Pro

Service bulletins for the 2025 Peterbilt 579

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.

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

By type

By component

By topic

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
24KWC/24PBC2026-08-20. Service bulletin. STEERING. Updated Sheppard Steering Gear Classification Tool link in Inspection Procedure
24KWF/PBF2026-04-07. Service bulletin. STEERING. Sheppard Recall Update March 2026 - The Parts section has been updated with revised steps for opening a TCS365 Order Support – Order Inquiry case.
24KWGD/24PBGD2024-09-10. Service bulletin. STEERING. This bulletin contains secondary inspection procedures and part replacement procedures for tie-rods identified as SUSPECT under 24PBGB ONLY. Certain chassis that have completed 24PBGB inspection with “GOOD” results but have not filed warranty claims to close out the campaign in SIR will need to file a claim and close out 24PBGD. Secondary inspection and replacement procedures are now available through this bulletin for parts found to be SUSPECT in the 24PBGB Safety Recall. Customers will be advised NOT TO DRIVE TRUCKS until this remedy is completed.
24PBGD2024-08-03. Service bulletin. STEERING. This bulletin contains secondary inspection procedures and part replacement procedures for tie-rods identified as SUSPECT under 24PBGB ONLY. Certain chassis that have completed 24PBGB inspection with “GOOD” results but have not filed warranty claims to close out the campaign in SIR will need to file a claim and close out 24PBGD. Secondary inspection and replacement procedures are now available through this bulletin for parts found to be SUSPECT in the 24PBGB Safety Recall. Customers will be advised NOT TO DRIVE TRUCKS until this remedy is completed.
24PBF2024-08-02. Service bulletin. STEERING. SAFETY RECALL Repair parts and procedures are now available. Certain Peterbilt vehicles from Model Year 2025 may contain steering gear(s) with sector shaft gear teeth that may prematurely wear, crack, or fracture and interfere with the steering gear mechanism. This may lead to steering gear binding, which may increase the risk of a crash.
24KWGB/24PBGB2024-07-03. Service bulletin. STEERING. Safety Recall Certain model year 2025 Peterbilt 220, 536, 537, 548, 567, 579, and 589 chassis may have a tie-rod with a ball stud that does not meet hardness specification. The ball stud may fracture, leading to a loss of steering and reduced vehicle control, increasing the risk of a crash. Customers will be advised NOT TO DRIVE TRUCKS until the remedy is completed.
15-0312024-04-04. Service bulletin. STEERING. This Bulletin contains parts ordering and replacement procedures for Steering Gears identified as SUSPECT under 24PBC ONLY. Steering Gears repaired under this bulletin MUST be entered into the Serial Number Tracking Form for 24PBC.

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