2027 Peterbilt 579 technical service bulletins
12 technical service bulletins and manufacturer communications cover the 2027 Peterbilt 579.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- The new 2.1m day cab lift tools, a Level 3 mandatory tool, are now available to order.
- Certain Gra-Mag seats have an internal seat harness manufactured without heat-shrink on the resistor/diode...
- Additional chassis have been added to the population
- The PKC Group power distribution center (PDC) in certain vehicles may be contaminated with oil, which...
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- (KW) Parts Shortage – Due to supplier constraints, certain T680 and T880 chassis were shipped without KIMS...
- An exhaust manifold slip joint seal kit is now available for EPA 2017-2024 PACCAR MX-13 engines.
- [SmartAir / KIMS] A/C systems may shut down prematurely when voltage levels drop below a certain threshold.
- For Peterbilt: Chassis list has been updated to include 1 chassis
- An improved transmission bracket is now available for replacement on certain chassis equipped with a...
- Incorrect air filters may be inadvertently installed in certain chassis equipped with under-hood Donaldson...
- There is an update to the Base Emissions Warranty Limits table [PR1.1]and general certification...
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