2011 Peterbilt 337 TSBs
26 Technical Service Bulletins across 10 categories
Categories
Electrical
7 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.
Information Only - Quick Reference Guide for Electric harness damage repairs.
PETERBILT TRUCK: CERTAIN TRUCKS ARE ELIGIBLE FOR IMPROVEMENTS ON THE FORWARD NOX SENSORS WITH AN ADJUSTED SENSOR DEW POINT SETTING.
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NO MODELS LISTED. *PE
Engine
4 bulletinsThis SKU is a DEF Injector.
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The customer communication requested return of unsold inventory to inspect the sealing. The injector sealing may have an issue which will cause a slow leak. A slow leak of the DEF Injector can lead to crystal formation which can cause aftertreatment related fault codes and ECU driven engine derating.
PETERBILT TRUCK: SOFTWARE UPDATE FOR ENGINE CONTROL UNIT (ECU) AND AFTERTREATMENT CONTROL UNIT IS AVAILABLE FOR CERTAIN VEHICLES THAT ARE ELIGIBLE.
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*PE
PETERBILT TRUCK: ON CERTAIN TRUCKS, ENGINES WITH TURBO SPEED SENSOR HARNESS, MAY HAVE WIRES THAT ARE CHAFE, RESULTING...
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IN FALSE SIGNALS TO ENGINE CONTROL MODULE (ECM) THAT AFFECT ENGINE PERFORMANCE. *PE
PACCAR INCORPORATED-PETERBILT MOTORS: THERE ARE CABLES MISSING THAT ENABLE THE TEXT TO SPEECH FUNCTIONALITY.
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*RM
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
Other
2 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."
Fix-As-Fail: Two separate causes have been identified as root cause of intermittent low coolant indicator illumination.
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.
Infotainment
2 bulletinsSmartNav 2.0 Hardware retrofit for quality validation and vehicle validation units.
PETERBILT TRUCK: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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ON CERTAIN TRUCKS, WITH SMARTNAV SYSTEM INSTALLED, A NEW SOFTWARE IMPROVEMENTS HAS BEEN PROVIDED. *PE
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).
Brakes
2 bulletinsSafety 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.
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.
Suspension
1 bulletinPETERBILT: INFORMATION REGARDING GAP AND PROPER TORQUE ALLOWED ON DEF TANK STRAPS.
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TANK STRAPS HAVE A SPRING TO ENSURE THEY REMAIN TIGHT DURING EXPANSION AND CONTRACTION OF DEF TANK. STRAPS MAY LOOK LOOSE BUT ACTUALLY ARE NOT UNLESS GAP IS GREATER THAN 1/2 INCH BETWEEN WASHER AND STRAP. *PE