NHTSA safety investigation
NHTSA Investigation EA09008
Engineering Analysis · PACCAR Incorporated · ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
An investigation is not a finding that a defect exists.
NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
What NHTSA is examining
The agency's own description of the inquiry, quoted as published
Horton Fan Hub Failures
PACCAR is conducting an Owner Notification Program (ONP) for select vehicles within the subject and peer populations.The ONP are attached to the closing report and can be found in the NHTSA Technical Service Bulletin (TSB) database. (TSB: 10033585, 10033584)See Closing report for investigation details.
An investigation is a separate record from a recall and from a manufacturer communication. A manufacturer campaign to repair a safety defect or a failure to meet a federal safety standard.
Investigation details
Identifiers, dates and outcome as recorded by NHTSA
- Action number
- EA09008
- Investigation type
- Engineering Analysis (EA)
- Status
- Closed
- Manufacturer
- PACCAR Incorporated
- Component
- ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
- Opened
- May 29, 2009
- Closed
- Aug 27, 2010
- Associated recall campaign
- None recorded
Vehicles named in this investigation
37 model years across 24 models
- Kenworth T2000
- Kenworth T300
- Kenworth T600
- Kenworth T660
- Kenworth T800
- Kenworth W900
- Peterbilt 320
- Peterbilt 325
- Peterbilt 330
- Peterbilt 335
- Peterbilt 340
- Peterbilt 357
- Peterbilt 365
- Peterbilt 367
- Peterbilt 378
- Peterbilt 379
- Peterbilt 379K
- Peterbilt 384
- Peterbilt 385
- Peterbilt 386
- Peterbilt 387
- Peterbilt 388
- Peterbilt 389
- Peterbilt 389K
Being named here means NHTSA included the vehicle in the scope of its inquiry. It is not a statement that these vehicles have a defect.