2020 Peterbilt 548 technical service bulletins
19 technical service bulletins and manufacturer communications cover the 2020 Peterbilt 548.
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.
- Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes
- Troubleshooting procedures for 2.1m cab power windows are now available.
- Bogie Crossmember Torque Value Update
- Cummins TSB 210203 has been updated to remove the PACCAR suction side fuel filter part number from Table 1...
- Info Only Unnecessary starter replacements can result from customer complaints regarding engine starting...
- On certain Peterbilt, New Medium Duty chassis that are equipped with the optional engine intake air...
- Certain 536, 537, 548, and 567 chassis built with 2.1m Medium Duty End of Frame Trailer Connections and...
- Certain 536, 537, and 548 chassis built with 2.1m Medium Duty End of Frame Trailer Connections may exceed...
- Safety Recall The brake pedal plunger which connects the brake pedal to the brake valve may dislodge after...
- This campaign is the final opportunity to replace the oil filter screw cap to reduce occurrences of broken...
- Info Only
- The service information for Bendix Air Dryer maintenance is being updated to include new procedures.
- Due to major data carriers phasing out 3G networks, chassis currently utilizing first generation Peoplenet...
- Fix-As-Fail – Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are...
- Information Only
- Safety Recall
- Fix-as-Fail: Radio does not mute when truck with auto trans is placed in reverse
- A vinyl camouflage wrap was applied to new model 536, 537, and 548 cabs built during the validation phase...
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