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November 13, 2015 Service bulletin

HVAC

Peterbilt technical service bulletin FRN215-3 for 2015 Peterbilt 379, 2015 Peterbilt 579 and 2015 Peterbilt 389 and others.

Bulletin number
FRN215-3
Component
Engine and engine cooling
Summary
HVAC - Sleeper Heater O-ring Coolant Leak Phase 2 - Peterbilt has determined that vehicles built between 08/01/2013 and 08/01/2014 and were manufactured fwith a sleeper heater may have sleeper heater o-rings that are incompatible with the extended-life coolant (ELC) usedin the PACCAR heating systems and may develop leaks.

Owners of these vehicles have filed 1 complaints in the engine category.

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