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Helen Petrauskas Vice President Environmental & Safety Engineering PowerPoint Presentation
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Helen Petrauskas Vice President Environmental & Safety Engineering - PowerPoint PPT Presentation


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Helen Petrauskas Vice President Environmental & Safety Engineering Actions We Have Taken Replaced tires in Middle East (July 1999), Southeast Asia (Feb 2000), and Venezuela and adjacent countries (May 2000) At the same time took action to determine if same issue existed in North America

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Presentation Transcript
actions we have taken
Actions We Have Taken
  • Replaced tires in Middle East (July 1999), Southeast Asia (Feb 2000), and Venezuela and adjacent countries (May 2000)
  • At the same time took action to determine if same issue existed in North America
    • Requested Firestone to check U.S. database and perform tire testing
    • Reviewed NHTSA hot line, as well as all internal Ford databases
    • With Firestone, undertook study of worn tires from U.S. Southwest
  • Found no evidence of tread separation
actions we have taken4
Actions We Have Taken
  • Requested and analyzed data from Firestone
  • Supported Firestone recall decision
actions we have taken5
Actions We Have Taken
  • The tire industry is increasing production of 15-inch tires by more than 250,000 tires per month by the end of September
  • Engaged 3,100 Ford and Lincoln-Mercury dealers to perform tire replacements
  • Suspended Explorer and Ranger production at three assembly plants: Edison, St. Louis, and Twin Cities
  • Looking at increased use of 16-inch tires to free up 15-inch tires
actions we have taken6
Actions We Have Taken
  • Major effort to communicate with customers
    • Opened additional call center
    • Website
    • Series of newspaper ads
  • Full cooperation and disclosure to NHTSA
claims for firestone tires by tire size
Claims for Firestone Tires by Tire Size

Firestone Property Damage and Injury Claims and Lawsuits Submitted Pursuant to NHTSA Inquiry

Tire Sizes with More Than 30 Claims

Tires with Ford Original Equipment Application Noted

tread separation claims for firestone tires by tire size
Tread Separation Claims for Firestone Tires by Tire Size

Firestone Claims Data

Tire Sizes with at least 5 Tread Separation Claims

Tires with Ford Original Equipment Application Noted

tread separation claims for firestone p235 75r15 atx and wilderness tires by state
Tread Separation Claims for Firestone P235/75R15 ATX and Wilderness Tires by State

Firestone Claims Data

slide12
Tread Separation Claims Rate for Firestone P235/75R15ATX and Wilderness Tires for 1996 Tire Production Year

Firestone Claims and Production Data

slide13
Tread Separation Claims Rate for Firestone P235/75R15 Wilderness Tires by Tire Production Year and Plant

Firestone Claims and Production Data

slide14
Tread Separation Claims Rate for Firestone P235/75R15 ATXby Time in Service at Claim, Tire Production Year, and Plant

Firestone Claims and Production Data

slide15
Tread Separation Claims Rate for Firestone P235/75R15 Wildernessby Time in Service at Claim, Tire Production Year, and Plant

Firestone Claims and Production Data

slide16
Tread Separation Claims Rate for Firestone P235/75R15 Wildernessby Time in Service at Claim, Tire Production Year, and Plant

Firestone Claims and Production Data

slide17
Tread Separation Claims Rate for Firestone 15-inch and 16-inch Tires Production Years 1995-1999 and Claims Years 1995-1999

* P235/75R15 Wilderness AT 15-inch production began in 1996

passenger car and light truck occupant fatality rates
Passenger Car and Light TruckOccupant Fatality Rates

Source: Department of Transportation Data

fatality rate comparison
Fatality Rate Comparison

Source: Department of Transportation Data

fatalities by crash mode
Fatalities by Crash Mode

Passenger Cars

Compact SUVs

Source: Department of Transportation Data

ford internal safety guidelines
Ford Internal Safety Guidelines
  • Frontal and Offset Frontal Impact
  • Resistance to Rollover
  • Occupant Restraints
  • Interior Side Impact Protection
  • Side Intrusion
  • Dynamic Side Impact
  • Rear Impact
  • Roof Crush Resistance
  • ABS
  • Fuel System Performance
fatality rate comparison23
Fatality Rate Comparison

Source: Department of Transportation Data

fatality rate comparison24
Fatality Rate Comparison

Source: Department of Transportation Data

tire design tradeoffs

TRA Range *

26 Optimum

acceptable

Lower

Higher

20

26

30

35

Tire Design Tradeoffs

Higher

B

Implications / Desirability

C

A

Lower

Pressure (psi)

A High speed durability, load capacity, fuel economy traction & seat on rim

B Ride, comfort, noise, vibration & harshness

C Stability & handling

* P235/75 R15