Investigations
AD-IP PURGE VALVE UPDATE AND CHANGEUP
NHTSA SQ SQ98001 - closed, opened 1998-01-22.
NHTSA investigation SQ98001 is a SQ opened on 1998-01-22 and currently closed. The subject is tracked inside the Office of Defects Investigation queue. Latest activity on this investigation was logged on 1998-07-31 - NHTSA updates that field whenever an Information Request goes out, a supplement is filed, or a status change is recorded in the public docket.
Investigators summarized the matter as follows: "ALLIEDSIGNAL ISSUED A TSB INFORMING DEALERS OF THE AVAILABILITY OF A UPGRADED PURGE VALVE FOR AIR BRAKE AIR DRY ASSEMBLIES..." Investigations are the early-warning layer of the federal auto-safety system, sitting upstream of formal recalls and defect orders. Whether this one closes without action or escalates into an Engineering Analysis, the full history stays in the ODI archive so researchers, litigators, and buyers can pull the paper trail at any time.
Investigation Summary
ALLIEDSIGNAL ISSUED A TSB INFORMING DEALERS OF THE AVAILABILITY OF A UPGRADED PURGE VALVE FOR AIR BRAKE AIR DRY ASSEMBLIES
About This Investigation Type
Data from NHTSA Office of Defects Investigation. Cross-references: NHTSA recall campaign API and NHTSA FARS where fatality records overlap. PlainCars does not rate or recommend vehicles. about how PlainCars sources NHTSA data.
Read our methodology - how this data is sourced, computed, and verified.