HowTune

1998 GMC B7 Recalls

  1. Recall Description

    VEHICLE DESCRIPTION: SCHOOL BUSES, MEDIUM DUTY TRUCKS AND TRACTORS BUILT WITH BENDIX AIR ABS WITH AN EC-17 1030R ELECTRONIC CONTROL UNIT (ECU), THERE HAVE BEEN REPORTS OF UNWANTED ABS ACTIVATION AT LOW SPEEDS CAUSED BY 1) CHAFED ABS WHEEL SPEED SENSOR WIRES ON ROTATING PARTS OR 2) A DAMAGED COMPONENT AT THE WHEEL END THAT GENERATES A CERTAIN TYPE OF ERRATIC SENSOR SIGNAL.

    Possible Effects

    THIS CONDITION COULD CAUSE THE ABS ECU TO EXHAUST THE AIR AT THE AIR BRAKE MODULATORS FOR ONE OR MORE OF THE WHEELS. THIS COULD RESULT IN EXTENDED BRAKING DISTANCES AND A POSSIBLE CRASH.

    Action

    DEALERS WILL REPLACE THE ABS ECU.

    Notes

    OWNER NOTIFICATION BEGAN DECEMBER 14, 2000 FOR THE B7 SERIES SCHOOL BUSES AND ON MARCH 15, 2001, FOR THE MEDIUM DUTY TRUCKS AND TRACTORS. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1022 OR GMC AT 1-800-462-8782. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION''S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

    Recall Manufacture Dates

    1997-05-01 - 1998-09-30

    Vehicles Affected

    30000

  2. Recall Description

    VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH POWER STEERING. SOME OF THESE VEHICLES WERE ASSEMBLED WITH AN INCORRECT INTERMEDIATE STEERING SHAFT. THE OVERLAP IN THE SLIP JOINT IS INSUFFICIENT ALLOWING THE STEERING SHAFT TO SEPARATE.

    Possible Effects

    THIS COULD LEAD TO LOSS OF STEERING, INCREASING THE RISK OF A VEHICLE CRASH.

    Action

    DEALERS WILL INSPECT THE STEERING SHAFT AND, IF NECESSARY, REPLACE THE INTERMEDIATE STEERING SHAFT.

    Notes

    OWNER NOTIFICATION IS EXPECTED TO BEGIN OCTOBER 21, 1998. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACTCHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION''S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

    Recall Manufacture Dates

    1996-06-01 - 1998-04-30

    Vehicles Affected

    3969

  3. Recall Description

    VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH AIR BRAKES AND ANTI-LOCK BRAKE SYSTEMS. CHAFFING OF THE ELECTRIC BRAKE CONTROL HARNESS CAN OCCUR RESULTING IN AN ELECTRICAL GROUNDING CONDITION. THIS WILL ILLUMINATE A WARNING LIGHT ON THE INSTRUMENT PANEL AND SHUT OFF THE ABS FEATURE.

    Possible Effects

    THIS CONDITION CAN CAUSE REDUCED BRAKING CAPABILITY OF THE FRONT BRAKES, INCREASING THE RISK OF A CRASH.

    Action

    DEALERS WILL INSPECT THE HARNESS FOR CHAFFING AND PROPER ROUTING AND WILL REPAIR IF NECESSARY.

    Notes

    OWNER NOTIFICATION BEGAN APRIL 24, AND JULY 30, 1998.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION''S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

    Recall Manufacture Dates

    1998-03-01 - 1998-05-31

    Vehicles Affected

    1590

All b7 Recalls

Other GMC Recalls