2016 Peterbilt 348 TSBs
34 Technical Service Bulletins across 12 categories
Categories
Electrical
7 bulletinsFix-As-Fail Due to undersupply issues, only a limited supply of Diesel Exhaust Fluid (DEF) sensors are available.
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As a temporary solution, after PACCAR confirms a DEF sensor is not available, a temporary software update will allow a vehicle to continue operation with a failed DEF sensor by disabling the DEF sensor diagnostics.
Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the...
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appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.
Fix as Fail: For all conventional models, except 387/587, equipped with Side-of-Cab (SOC) exhaust and built from...
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03/6/2006 to 1/20/2020, the clamps that secure the SOC exhaust stacks may not be tightened properly. This may allow the exhaust stack to rotate and contact the cab or sleeper.
Information Only Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead...
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to water intrusion and corrosion in some vehicles.
Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.
Information Only: Vehicles may have the connector seal on the wheel speed sensor incorrectly installed, which may lead...
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to sensor corrosion.
Information Only - Quick Reference Guide for Electric harness damage repairs.
Engine
4 bulletinsInfo Only Unnecessary starter replacements can result from customer complaints regarding engine starting issues.
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A new Starter Troubleshooting Guide has been created to provide a comprehensive list of starting system checks, which should reduce unnecessary starter replacements and associated warranty claims. Engine starting system warranty claims now require a completed Starter Checklist, a Battery Pack Midtronics Report, and a Cable Drop Midtronics Report. Claims filed without these documents may be denied.
Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height Control Valve...
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(HCV) arm may be rubbing on other components when the bend in the arm is facing outboard. Flipping the bend in the HCV arm inboard prevents the rub.
Fix-As-Fail - Composite fittings used in the cooling system may crack, resulting in coolant leaks.
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Brass fittings are available to replace the composite fittings.
E-ONE vehicles are designed with electrical circuit protection (e.g.
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fuses), to provide overcurrent protection during short-circuit conditions or malfunction of components. Fuses are sometimes shared amongst different circuits. For example, the circuits for the pump primer motor and chassis power share a common 300Amp fuse. If either of these circuits experiences an electrical overload, the fuse will act as designed to protect the users and the vehicle from further damage. As such, an overcurrent condition in the pump primer circuit will also disconnect main power from the cab and chassis and cause the engine to shut down.
Software & Calibration
4 bulletinsThe service information for Bendix Air Dryer maintenance is being updated to include new procedures.
Information Only - Vehicles built with NAMUX software from 2013 to present may experience accuracy issues with the tachometer.
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The issue can be temporarily resolved using any one of the included procedures.
Information: Bendix ACOM Software version 6.16.5.0 for diagnostics may introduce an unrecoverable error.
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Notice to dealers to replace this version with older software version until Bendix introduces new version.
Information - Recommended Practices for Updating ESA Software
Brakes
4 bulletinsFix as Fail: Peterbilt has determined that certain model 348, 365, 367, 382, 384, 386, 388, 389, 567, 579, and 587...
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trucks, built between 4/13/2010 and 3/16/2020 and equipped with a flush mounted battery box, utilized rubber washers that could rub through and cause the aluminum box mounting tabs to rub directly on the steel frame brackets. This could result in cracked battery box mounting angles. Resolution is to add the reinforcement bracket(s) to affected vehicles.
Fix-As-Fail - Bendix New-Gen Lightweight Steer Axle Drum Brake Spider Cracking
Safety Recall Bulletin: Updated with permanent repair path for phase 1 vehicles.
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The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power. NHTSA recall number is 18V368. Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software.
Safety Recall Interim Bulletin: The Tractor ABS Lamp May Not Illuminate When ABS Controller Loses Battery and/or Ignition Power.
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NHTSA recall number is 20V199 Non compliance to FMVSS and CMVSS 121 and 136. Resolution is to Reflash software.
Other
3 bulletins"Kenworth: Dealers should check the chassis list and SIR weekly for VIN changes.
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2 chassis added to the chassis list. Peterbilt: Dealers should check the chassis list and SIR weekly for VIN changes. 10 chassis added to the chassis list."
DEF tank covers may become loose and potentially crack on vehicles built before October 2019 with DEF tank part number...
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M86-6221-003**(TANK-DEF MEDIUM ASSY) and M86-6222-003**(TANK-DEF LARGE, ASSY). Resolution is to resolve the vibration on the tank cover by adding bottom tank washers.
Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
Infotainment
3 bulletinsSmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
FIX-AS-NEEDED - SMARTNAV SOFTWARE UPDATE IS AVAILABLE FOR IMPROVEMENTS TO IN-CALL AUDIO, RADIO SETTINGS AND WHEEL SEEK...
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FUNCTIONALITY.
FIELD REPAIR NOTICE: SMARTNAV 2.0 RETROFIT FOR MODELS BUILT WITH PRE-PRODUCTION PARTS.
HVAC & Climate
2 bulletinsSample Customer Letter - 215-3 Sleeper Heater Core O-Ring Leaking
Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
Body & Paint
2 bulletinsInformation Only Windshield washer pumps have a high No Trouble Found rate.
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Washer pumps may fail to spray due to a clogged filter.
Information Only: Proper instructions for closure of power distribution box cover to prevent corrosion.
Pre-Delivery & Maintenance
2 bulletinsInformation only: Hendrickson Softek front axle maintenance intervals and requirements.
Information Only This bulletin provides information about the California Air Resources Board (CARB) Periodic Smoke...
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Inspection Program (PSIP) and Heavy Duty Vehicle Inspection Program (HDVIP).
Fuel System
1 bulletinInformation Only: An improved procedure has been developed for servicing the fuel filter on model 348 chassis equipped...
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with a PX-9 and 11 5/8 frame rails.
Transmission
1 bulletinNon-Safety Campaign - Chassis with Eaton Manual or Ultrashift transmissions may experience loosening of the bellhousing...
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bolts.
Suspension
1 bulletinFix-As-Fail ? There is an updated plug to fix leaking steer axle hubcaps.