2013 Peterbilt 320 TSBs
25 Technical Service Bulletins across 8 categories
Categories
Electrical
10 bulletinsInformation 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.
Fix as Fail: Peterbilt has initiated an improvement to the Model 320/520 power window module.
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A vapor barrier will be installed over the module to prevent moisture.
Information Only - Quick Reference Guide for Electric harness damage repairs.
Fix-As-Fail: Repair for horizontal exhaust diffuser configurations with broken brackets or cracked diffuser.
CUMMINS: THE RELAYS AND FUSES OF AFTERTREATMENT SYSTEMS, IN WIRING HARNESS, IS POTENTIALLY NOT ADEQUATELY SECURED VIA...
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ORIGINAL EQUIPMENT MANUFACTURE (OEM) AND HAVE WIRE RUBBING POINTS, RELAY DAMAGE OR RUB POINTS. *PE
PETERBILT: AN ACTIVE FAULT CODE 3911, AMMONIA SENSOR COMMUNICATION, MAY BE DISPLAYED AND A REPAIR STRATEGY IS BEING PROVIDED.
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MODEL 320. *PE
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."
Information only: Some model 320 and 520 vehicles built before 3/11/2019 may experience loss or loosening of doghouse insulation.
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Reference the procedure in the attachment section to properly remove and replace the insulation.
Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
Software & Calibration
3 bulletinsInformation 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
Engine
3 bulletinsPETERBILT: THE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES DUE TO AN ENGINE CONTROL UNIT (ECU) SOFTWARE ISSUE, REAR NOX SENSOR, OPERATING CORRECTLY.
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*PE
CUMMINS: THE FAULT CODE 3911 AND CHECK ENGINE LAMPS ILLUMINATES DUE TO VOLTAGE TO AMMONIUM HYDROXIDE NH3 SENSOR AND IS...
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DIPPING BELOW 9 VOLT SPECIFICATION FOR SENSOR. *PE
PETERBILT: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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CERTAIN TRUCKS, WITH CUMMINS ENGINE, HAVE EXPERIENCE LOSS OF POWER TO AFTER TREATMENT COMPONENTS AND NEED TO SWITCH THE FUSES FROM 5 AMP TO 10 AMP. MODELS 320, 587, CONVENTIONAL. NO MODEL YEARS LISTED.
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).
HVAC & Climate
1 bulletinInformation Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the...
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A/C compressor.
Brakes
1 bulletinSafety Recall: Vehicles fail to confirm with FMVSS/CMVSS No 108 Table 1-a requirements which requires 2 red stop lamps.
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Vehicles were equipped with additional amber stop lamps which may illuminate when the brake is applied, and may confuse other drivers. Resolution is to remove the amber stop lamps and associated wiring.