2012 Peterbilt 520 technical service bulletins
17 technical service bulletins and manufacturer communications cover the 2012 Peterbilt 520.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- An upgraded power steering pump is available for certain Model 520 chassis with a RHSU or dual steering...
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- The current chassis harness connector contains a wire that is no longer necessary with the latest...
- Information Only – Windshield washer pumps have a high No Trouble Found rate
- Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (“SOC”) exhaust and...
- Information Only:
- Information only: Hendrickson Softek front axle maintenance intervals and requirements.
- Safety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles
- Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment...
- Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed,...
- Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed,...
- Information Only
- Information only: Some model 320 and 520 vehicles built before 3/11/2019 may experience loss or loosening...
- Information Only:
- Fix as Fail: Some model 520 right hand stand up vehicles built before 07/16/19 are experiencing washer...
- Information Only â
- Fix-As-Fail: Two separate causes have been identified as root
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