Investigations List

After a preliminary review of consumer complaints and other information related to alleged defects, NHTSA obtains information from the manufacturer(including data on complaints, crashes, injuries, warranty claims, modifications, and part sales) and determines whether further analysis is warranted.  If warranted, the investigator will conduct a more detailed and complete analysis of the character and scope of the alleged defect.



NHTSA Action Number: PE12006

Date Opened: 2012-03-14

Date Closed: 2012-08-17

Manufacturer’s Name: John Deere

Component Description: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

Recall Campaign: 12E026

Summary Description: Turbocharger Failure


Summary

The Office of Defects (ODI) received a Product Improvement Program (10RG264) from John Deere in January 2011 concerning failed turbochargers on transit buses.This Product Improvement Program (PIP) was exclusive to their 8.1L compressed natural gas (CNG) engine.However, the PIP only covers transit busses in the state of California.John Deere indicated that in the event of a failure, the entire turbocharger was to be replaced as part of the repair.The ODI contacted consumers (supplied by the manufacture as complainants) and most described a condition that once the turbo failed, the vehicle became stranded.One consumer detailed a failure where the cab started to fill up with smoke while the vehicle was stalled, subsequently the turbo was on fire.The fire was eventually extinguished however the vehicle was stranded and needed to be towed.On June 11, 2012 ODI received John Deere's response to an ODI Information Request (IR) letter.From the responsive information it was determined that the risk of turbo fires as related to stalling/abandonment warranted an equipment safety recall.John Deere made ODI aware of 265 complaints and 22 possible vehicle fires for a population of approximately 3,500 vehicles.ODI notes that John Deere had not determined the exact number of affected vehicles, or a specific recall remedy at the closing of this investigation.However all vehicles (not just the vehicles located in California.) similarly configured and within the scope of this investigation will be recalled.This investigation is closed with John Deer's announcement of a safety recall. The Product Improvement Program cited above can be reviewed online at http://www-odi.nhtsa.dot.gov/tsbs/ under the following NHTSA Item Number: 10034925.Updates on the recalled vehicle population and defect remedy can be viewed in the manufacture's 573 document online at http://www-odi.nhtsa.dot.gov/recalls/recallsearch.cfm under the following NHTSA Campaign ID Number: 12V056 (use the Document Search button to locate the 573 document).

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NHTSA Action Number: EQ12003

Date Opened: 2012-03-07

Date Closed: 2013-08-15

Manufacturer’s Name: DEXTEReBay AXLE

Component Description: PARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR

Recall Campaign: 12V113

Summary Description: DextereBay Hydraulic Brake Actuators Failing


Summary

Please see the closing resume attached with this PDF copy of this document.

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NHTSA Action Number: PE12005

Date Opened: 2012-03-07

Date Closed: 2012-10-22

Manufacturer’s Name: FordeBay Motor Company

Component Description: VEHICLE SPEED CONTROL:CABLES

Recall Campaign:

Summary Description: Stuck throttle


Summary

Preliminary Evaluation (PE)12-005 was opened to investigate allegations of speed control cables detaching from the throttle body and subsequently interfering with the throttle closing fully to the idle position in model year (MY) 2005 and 2006 FordeBay Taurus vehicles.The speed control cable, throttle body attachment arm (?nail head?) for the speed control cable, cable mounting bracket and cable routing for the MY 2005 and 2006 FordeBay Taurus are common to all MY 2004 through 2006 FordeBay Taurus and MercuryeBay Sable vehicles equipped with either the 155 HP 3.0L 2-valve Vulcan engine or the 200 HP 3.0L 4-valve Duratec engine (the ?subject vehicles?). Figures 1 and 2 show the throttle body cam and speed control cable installed and a cable interference condition caused by contact between a detached cable and the ?nail head.?FordeBay?s assessment of the condition in incident vehicles noted that the interference conditions produced tended to be short in duration as the cable end tended to dislodge itself from the throttle body due to vibration, road loads or engine roll in addition to tapping the acceleration pedal.FordeBay inspected three incident vehicles and measured maximum throttle openings of 5.8% to 14.9%, resulting in engine speeds ranging from 1600 to 2200 rpm with the transmission selector in Drive.A FordeBay stack-up analysis of the speed control cable length from the attachment bracket to the throttle body indicated a maximum theoretical throttle opening of 16.4% that could result from the alleged defect. Engineers at the NHTSA Vehicle Research and Test Center (VRTC) inspected an incident vehicle to evaluate throttle positions and engine speeds that could result from the alleged defect and performed brake testing of a vehicle with the throttle stuck at the worst case throttle opening that could result from the condition.The VRTC vehicle inspection noted that, depending on the orientation of the detached cable end, the amount of throttle opening that could result from interference by a detached speed control cable end varied from 4.8% to 11.3%.VRTC brake testing of a MY 2006 Taurus with a Vulcan engine and the throttle held open at 16% found that, even with multiple brake applications, sufficient vacuum was available for the brake booster assist and the brake pedal efforts required to stop the vehicle did not increase significantly from normal operating conditions. ODI?s analysis of 100 complaints related to the alleged defect found that drivers were generally able to free the interference condition or safely brake to a stop without incident.Approximately one-third (32) reported that the stuck throttle condition was corrected with no action or by tapping the accelerator pedal while the vehicle was still moving, another third (34) reported braking to a stop with the vehicle in Drive prior to correcting the condition, and the remaining third (34) reported that the driver responded to the incident by shifting to Neutral before stopping the vehicle.One complaint alleged that stuck-throttle type symptoms caused the vehicle to pass partially through a traffic light and into an intersection before stopping, however,ODI was unable to contact the owner to verify the cause or relationship to the alleged defect condition.ODI has not identified any crashes related to the alleged defect. Tables 1 and 2 provide a breakdown of complaints and warranty claims related to the alleged defect by engine and model year.A safety-related defect has not been identified at this time and further use of agency resources does not appear to be warranted.Accordingly, this investigation is closed.The closing of this investigation do

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NHTSA Action Number: PE12004

Date Opened: 2012-02-17

Date Closed: 2012-08-17

Manufacturer’s Name: Tiffin MotorhomeseBay, Inc.

Component Description: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Recall Campaign: 12V242

Summary Description: Diminished Brake Performance


Summary

Daimler Truck has issued 12V-242.See ODI closing report for further details.The associated VOQs are: 10442468, 10442861, 10442879, and 10454022 (Model Year 2008).

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NHTSA Action Number: EQ12002

Date Opened: 2012-02-14

Date Closed: 2012-05-08

Manufacturer’s Name: Autoliv, Inc.

Component Description: AIR BAGS:SIDE/WINDOW

Recall Campaign:

Summary Description: Autoliv Air Bag Propellant Mixture


Summary

The summary for this investigation, labeled EQ12-002 Autoliv Closing Resume, can be found attached separately to this resume.This EQ is closed.

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Recalls List


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Technical Service Bulletins TSB’s List


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Complaints List



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