NHTSA Defect Investigations for the 1991 Jeep Wrangler

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 Jeep Wrangler, both ongoing and closed, are listed below:

  1. FUEL LEAKAGE NHTSA Defect Investigation #RQ97016

    Component(s): Fuel System, Gasoline:Delivery:Fuel Pump

    Summary: ODI has received 6 reports on fuel leakage and 3 reports on alleged remedy failure reports

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #RQ97016 »

  2. DRIVESHAFT/UNIV.JOINT FAIL NHTSA Engineering Analysis #EA93025

    • Status:
      CLOSED
    • Date Opened: October 29, 1993
    • Date Closed: November 25, 1994
    • Recall: no recall issued

    Component(s): Power Train

    Summary: There is no summary currently available

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #EA93025 »

  3. REAR AXLE SHAFT SEPARATION NHTSA Preliminary Evaluation #PE95049

    • Status:
      CLOSED
    • Date Opened: August 17, 1995
    • Date Closed: January 26, 1996
    • Recall: no recall issued

    Component(s): Suspension

    Summary: This investigation was opened to examine the failure mode and the risk to motor vehicle safety posed by allegations of rear axle separations.the rear axle shaft and housing design is typical of those in which the weight of the vehicle is carried on the axle housing.the left and right axle shafts, supported by roller bearings, are situated inside the axle housing.the inboard splined end of the axle shaft receives power transmitted from the differential assembly, providing torque to the rear wheels.the allegations are that the axle shaft fails, resulting in the separation of a wheel and axle hub assembly or the entire axle shaft and wheel assembly, depending on the location of the axle shaft failure.as identified by Chrysler, the subject rear axles are dana 35C and 35cm models, which have been used on the subject vehicles since the 1990 model year.a safety defect trend with respect to the subject axle shafts has not been identified.see hard copy resume for full text of summary.

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #PE95049 »

  4. SENDING UNIT GASKET FAILS NHTSA Engineering Analysis #EA93031

    Component(s): Vehicle Speed Control:Linkages

    Summary: There is no summary currently available

    NHTSA: For detailed information & supporting documents, see the official NHTSA page concerning investigation #EA93031 »

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