1986 Chevrolet Astro defect investigations

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

• SEAT BACK BOLT BREAKAGE
  Engineering Analysis EA92022 · opened Jun 24, 1992 · closed Nov 19, 1993 · led to recall 93V187000

  There is no summary currently available

• DRIVER SEAT BACK FAILURE
  Preliminary Evaluation PE92015 · opened Feb 4, 1992 · closed Jun 24, 1992

  There is no summary currently available

• SPARE TIRE CARRIER FAILURE
  Preliminary Evaluation PE90039 · opened Feb 5, 1990 · closed Jun 29, 1990

  There is no summary currently available

• REAR AXLE SEAL FAILURE
  Preliminary Evaluation PE89106 · opened Mar 23, 1989 · closed Sep 19, 1989

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• REAR BRAKES
  Engineering Analysis EA87009 · opened Jan 21, 1987 · closed Aug 16, 1988

  Analysis: the proposed gm changes should reduce the front-bias in therear brake system.however there is no indication that gm will retrofitthe 1985 and 1986 model year vehicles.reports indicate that the problemmay not lie in the brake biasing system, but rather in malfunctioningor improperly designed rear brake adjuste…

• INADEQUATE REAR BRAKES
  Preliminary Evaluation PE86053 · opened May 1, 1986 · closed Jan 20, 1987

  Summary of information from manufacturer:no tsb's or recalls have beenissued on this matter.the 1985 camip phase ii survey rated the gm m-vanbrake effectiveness lowest among vehicle lines tested.in response to theconcern of van owners, changes in the rear wheel cylinder diameter and theproportioning valve were planned …