NHTSA Recall 11V157000 |
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Vehicles: Kenworth C500, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470, Kenworth T660, Kenworth T800, Kenworth W900
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NHTSA Campaign ID number : 11V157000
Vehicle Make / Model: Model Year(s):
KENWORTH / C500 2011-2012
KENWORTH / T270 2011-2012
KENWORTH / T370 2011-2012
KENWORTH / T440 2011-2012
KENWORTH / T470 2011-2012
KENWORTH / T660 2011-2012
KENWORTH / T800 2011-2012
KENWORTH / W900 2011-2012
Manufacturer: PACCAR INCORPORATED Mfr's Report Date: MAR 04, 2011
NHTSA CAMPAIGN ID Number: 11V157000
N/A
NHTSA Action Number: N/A
Component: SERVICE BRAKES, AIR:SLACK ADJUSTERS
Potential Number of Units Affected: 280
Summary:
PACCAR IS RECALLING CERTAIN MODEL YEAR 2011-2012 KENWORTH T270/370, T440/T470, T800, T660, W900 AND C500 VEHICLES MANUFACTURED BETWEEN OCTOBER 18, 2010, AND JANUARY 28, 2011. CERTAIN CAST IRON SLACK ADJUSTER HOUSINGS, WHICH TRANSMIT BRAKING FORCE FROM THE BRAKE CHAMBER PUSH ROD TO THE BRAKE CAM TUBE, MAY INCLUDE A FLOW NOTCH IN THE HANDLE PORTION OF THE HOUSING DUE TO AN ERROR DURING THE CASTING PROCESS. A FLOW NOTCH IN THE HANDLE PORTION MAY REDUCE THE EFFECTIVE CROSS SECTION STRUCTURE AND CAUSE THE SLACK ADJUSTER HOUSING TO FRACTURE.
Consequence:
IF THE SLACK ADJUSTER HOUSING WERE TO FRACTURE, THE WHEEL BRAKE TO WHICH THE SLACK ADJUSTER HOUSING IS ATTACHED WOULD NO LONGER FUNCTION, WHICH COULD INCREASE VEHICLE STOPPING DISTANCES, AND IF MOUNTED ON THE STEER AXLE, COULD CAUSE THE VEHICLE TO PULL TO ONE SIDE DURING BRAKING, INCREASING THE RISK OF A CRASH.
Remedy:
DEALERS WILL INSPECT AND REPLACE THE SLACK ADJUSTER HOUSING AS NECESSARY. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING APRIL 2011. OWNERS MAY CONTACT KENWORTH AT 425-828-5440.
Notes:
KENWORTH SAFETY RECALL. NO. 11KWA. OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV .
| Date | Document Name & Details | Documents |
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| 4 March 2011 | Gunite Slack Adjuster Cast Housing Kenworth Recall No.: 11KWA From: Jennifer Timian, National Highway Traffic Safety AdministrationTo: Brian Van Bodegraven, PACCAR, Inc.NHTSA Recall 11V157000 |  PDF - 277KB - 2 pages |
| 4 March 2011 | NHTSA Recall 11V157000 2011-2012 Kenworth C500, 2011-2012 Kenworth T270, 2011-2012 Kenworth T370, 2011-2012 Kenworth T440, 2011-2012 Kenworth T470, 2011-2012 Kenworth T660, 2011-2012 Kenworth T800, 2011-2012 Kenworth W900 Service Brakes, Air:Slack Adjusters National Highway Traffic Safety Administration | Recall Page - 1 page |
| 10 March 2011 | Kenworth/Gunite/Slack Adjuster Cast Housing From: Jennifer Timian, National Highway Traffic Safety Administration To: Brian Van Bodegraven, PACCAR, Inc. NHTSA Recall 11V157000 | PDF - 26KB - 3 pages |
| 30 March 2011 | Safety Recall 11KWA — Gunite Slack Adjuster Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 99KB - 2 pages |
| July 2011 | U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 23KB - 1 page |
| 12 September 2011 | Gunite Slack Adj Recall From: Mike Walton, PACCAR, Inc. Alexander Ansley, National Highway Traffic Safety Administration NHTSA Recall 11V157000 | PDF - 63KB - 3 pages |
| January 2012 | U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 22KB - 1 page |
| April 2012 | U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 22KB - 1 page |
| July 2012 | U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 44KB - 1 page |
| October 2012 | U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns Kenworth Truck Company NHTSA Recall 11V157000 | PDF - 20KB - 1 page |