2022 Peterbilt 348 technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Sep 11, 2026 Service bulletinKenworth: Dealers should check the chassis list and SIR weekly for VIN changes
• Aug 13, 2026 Service bulletinThe verbiage in the Introduction section has been updated.
• Mar 3, 2026 Service bulletinSheppard Recall Order Process Update
• Jan 10, 2025 Service bulletinSafety Recall Updated software and procedures are now available
• Nov 22, 2024 Service bulletinInfo Only Unnecessary starter replacements can result from customer complaints regarding engine starting...
• Oct 21, 2024 Service bulletin13-065 DAVIE4
• Jul 30, 2024 Service bulletinFix As Fail The height control valve (HCV) rod on vehicles with low air leaf suspensions is prone to...
• Jul 24, 2024 Service bulletin07/24/2024
• Oct 18, 2022 Service bulletinInfo Only
• Sep 9, 2022 Service bulletinFix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height...
• Aug 3, 2022 Service bulletinThe service information for Bendix Air Dryer maintenance is being updated to include new procedures.