2006 Peterbilt 520 TSBs
10 Technical Service Bulletins across 5 categories
Electrical
5 bulletinsThe current chassis harness connector contains a wire that is no longer necessary with the latest electrical architecture.
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The presence of the wire could result in a false fault code.
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.
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.
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."
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.
Body & Paint
1 bulletinInformation 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.
Pre-Delivery & Maintenance
1 bulletinInformation only: Hendrickson Softek front axle maintenance intervals and requirements.
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.