The Office of Defects Investigations (ODI) is an office within the NHTSA which investigates serious safety problems in the design, construction or performance of vehicles. The NHTSA is authorized to order manufacturers to recall and repair vehicles, if the ODI finds a safety issue. NHTSA investigations for the 1991 Buick Regal, both ongoing and closed, are listed below:

  1. INVESTIGATION: ENGINE CRADLE SEPARATION

    NHTSA #EA00011

    Status:
    RECALLED

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  2. INVESTIGATION: SUB-FRAME ABSORBER FAILURE

    NHTSA #PE94048

    Status:
    CLOSED

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  4. INVESTIGATION: ENGINE CRADLE SEPARATION

    NHTSA #RQ99002

    Status:
    PENDING

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  5. INVESTIGATION: JACK FAILURE

    NHTSA #EA91049

    Status:
    CLOSED

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  6. INVESTIGATION: CORRODED REAR DISK BRAKES

    NHTSA #PE94063

    Status:
    CLOSED

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  7. INVESTIGATION: STEERING WHEEL SEPARATION

    NHTSA #PE91072

    Status:
    CLOSED

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  8. INVESTIGATION: STRUCTURE

    NHTSA #RP01001

    Status:
    RECALLED

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  9. INVESTIGATION: CRADLE BOLT FAILURES

    NHTSA #RQ97017

    Status:
    PENDING

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  10. INVESTIGATION: FUEL LINE SEPARATION

    NHTSA #PE93039

    Status:
    RECALLED

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  11. INVESTIGATION: STICKING THROTTLE

    NHTSA #EA92024

    Status:
    CLOSED

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