Vehicle report

2009 KENWORTH T470

Service bulletins

7 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

24KWD

Service Bulletin/Repair Instructions

Certain C500/T440/T470/T660/T680/T800/T880/W900 chassis may have air tank reservoirs that do not meet air volume requirements per FMVSS/CMVSS 121 “Air Brake Systems”. This bulletin will be updated when repair parts and procedures are available.

02-160

Service Bulletin/Repair Instructions

Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.

32-015

Service Bulletin/Repair Instructions

Information Only: This bulletin provides dealers with a battery warranty quick reference guide to ensure the appropriate tests for battery warranty are performed in order to prevent battery warranty claims filed with incorrect or incomplete information.

32-016

Service Bulletin/Repair Instructions

Information Only: Proper jump-starting voltage will eliminate high voltage related issues and equipment damage.

34-085

Service Bulletin/Repair Instructions

Information Only – Vehicles may have the connector seals on the wheel speed sensor incorrectly installed, which may lead to water intrusion and corrosion in some vehicles.

01-075

Service Bulletin/Repair Instructions

Information Only: This bulletin provides guidance for repairing an air-conditioning system after internal failure of the A/C compressor.

SB-E-049

Service Bulletin/Repair Instructions

KENWORTH: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ERRONEOUS FAULT CODES MAY DEVELOP IN CHASSIS OR CHECK ENGINE WARNING LIGHT RELATED TO NOX EMISSIONS MEASUREMENT AND AFTERTREATMENT IF IMPROVEMENT FOR THE RECALIBRATION OF ENGINE CONTROL MODULE (ECM) IS LEFT UNCORRECTED. *PE

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.