1997 Volvo WXR

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS 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.

RiskTHIS 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.

FixDEALERS WILL REPLACE THE ABS ECU.

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH AFTERMARKET ALUMINUM DUAL WHEELS, 22.5X8.25, ONE-PIECE, TUBELESS, SUPPLIED BY ACCURIDE/AKW. CERTAIN DESIGN REVISIONS COMBINED WITH PROCESS CONDITIONS CAUSED FATIGUE CRACKS IN THESE WHEELS.

RiskTHIS CONDITION CAN CAUSE FAILURE OF THESE WHEELS.

FixACCURIDE/AKW WILL REPLACE THESE WHEELS.

VEHICLE DESCRIPTION: CLASS 8 HEAVY DUTY TRUCKS. THE STEER AXLE WHEEL BEARING JAM NUT LOCK WASHER MAY NOT HAVE BEEN BENT OVER THE JAM NUT AFTER THE WHEEL BEARINGS WERE ADJUSTED.

RiskIF THIS CONDITION EXISTS, THE JAM NUT AND WHEEL BEARING ADJUSTING NUT CAN BACK OFF THE SPINDLE ALLOWING THE WHEEL AND THE BRAKE DRUM ASSEMBLY TO SEPARATE FROM THE VEHICLE INCREASING THE RISK OF A VEHICLE CRASH.

FixDEALERS WILL INSPECT THE STEERING AXLE WHEEL BEARING JAM NUT LOCK WASHER TO DETERMINE IF IT IS BENT OVER THE JAM NUT, AND IF NOT, REPAIR AS REQUIRED.