1984 Ford Thunderbird defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 1984 Ford Thunderbird. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• PARKING BRAKE FAILURE
  Preliminary Evaluation PE89039 · opened Feb 9, 1989 · closed Jun 13, 1989

  Summary:the spring under investigation causes the latching pawl toengage the teeth of the ratchet whereby the parking brake is retainedin the applied position.if the spring fails, the pedal follows theoperators foot back up into the released position.ford states that it issued the bulletin in order to inform dealerstha…

• SEATBACK FAILURE
  Engineering Analysis EA86010 · opened Mar 26, 1986 · closed Jul 28, 1989 · led to recall 86V082000

  Summary of information from manufacturer:ford believes that the al-leged defect only occurs in a small number of the subject vehicles andrecalled about 195,732 1984 tempo/topaz vehicles in june 1986.analysis: vehicles potentially involved include tempo/topaz, escort/lynx/exp, mustang/capri, ltd/marquis, and thunderbird…