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NHTSA Recall 11V157000

American Government Special Collections Reference Desk

Trucking Vehicles:  Kenworth C500, Kenworth T270, Kenworth T370, Kenworth T440, Kenworth T470, Kenworth T660, Kenworth T800, Kenworth W900

NHTSA Recall 11V157000

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 .


Documents

DateDocument Name & DetailsDocuments
4 March 2011Gunite 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 2011NHTSA 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 2011Kenworth/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 2011Safety Recall 11KWA — Gunite Slack Adjuster
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 99KB - 2 pages
July 2011U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 23KB - 1 page
12 September 2011Gunite Slack Adj Recall
From: Mike Walton, PACCAR, Inc.
Alexander Ansley, National Highway Traffic Safety Administration
NHTSA Recall 11V157000

PDF
- 63KB - 3 pages
January 2012U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 22KB - 1 page
April 2012U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 22KB - 1 page
July 2012U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 44KB - 1 page
October 2012U.S. Kenworth Motor Vehicle Safety Defect Report Quarterly Report Defect Notification Campaigns
Kenworth Truck Company
NHTSA Recall 11V157000

PDF
- 20KB - 1 page




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