1986 Cadillac Deville defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 1986 Cadillac Deville. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• REAR BRAKE PIN
  Engineering Analysis EA89028 · opened Jul 28, 1989 · closed Jul 27, 1990

  Summary:these vehicles have rear drum brakes.the parking lever pivotpin is held by an e ring.when the ring fails, parts of the ring andpin fall loose into the drum and may jam the brake, locking the wheel.a stronger e ring is used in 1988 and newer cars.this investigationhas been expanded to include gms c body cars lis…

• ANTI LOCK BRAKES
  Preliminary Evaluation PE89098 · opened Mar 10, 1989 · closed May 17, 1989

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• SUDDEN ACCELERATION
  Engineering Analysis EA88031 · opened Apr 22, 1988 · closed Oct 23, 1989

  Status:analysis of information from the manufacturer is in progress.however, neither nhtsa of gm has identified a failure or malfunction thatcould result in unintended acceleration.some vehicles in this group werefound potentially subject to throttle cable restrictions, and wererecalled along with h cars with similar p…

• HYDRO BOOST
  Engineering Analysis EA88019 · opened Jan 28, 1988 · closed Oct 31, 1990

  There is no summary currently available

• HYDROBOOST FAILURE
  Preliminary Evaluation PE87038 · opened Jul 9, 1987 · closed Jan 28, 1988

  Subject vehicles:caprice, caprice classic, custom cruiser, deville,electra, estate wagon, fleetwood, lesabre, ninety-eight, parisienne,park avenue.(all 1984-86 gm vehicles equipped with hydroboost ii systems)analysis:consumer complaints allege several problems involving the powersteering and power brake systems of thes…