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NHTSA Campaign 99V055001

SERVICE BRAKES, AIR

Issued by INTERNATIONAL TRUCK AND ENGINE · Reported Mar 16, 1999 · 1,547 vehicles affected

What's wrong

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS, TRANSIT AND SCHOOL BUSES, EQUIPPED WITH MERITOR AIR BRAKE AUTOMATIC SLACK ADJUSTERS. SOME OF THE AUTOMATIC SLACK ADJUSTERS HAD INSUFFICIENT TORQUE APPLIED TO THE GUIDE PAWL CAP SCREW.

Consequence

WITHOUT SUFFICIENT TORQUE ON THE GUIDE PAWL CAP SCREW, THE BRAKES COULD GRADUALLY LOSE ADJUSTMENT, INCREASING THE VEHICLE STOPPING DISTANCE.

Remedy

DEALERS WILL CHECK THE TORQUE ON THE AUTOMATIC SLACK ADJUSTER GUIDE PAWL. IF THERE IS NO TORQUE, THE BRAKES WILL BE ADJUSTED AND THE GUIDE PAWL WILL BE TIGHTENED TO 15-20 FT. LBS.

Vehicles affected by this recall

Make Model Year Units
NAVISTAR 2500 1999 1,547
NAVISTAR 2600 1999 1,547
NAVISTAR 3800 1999 1,547
NAVISTAR 4700 1999 1,547
NAVISTAR 4800 1999 1,547
NAVISTAR 4900 1999 1,547
NAVISTAR 5000 1999 1,547
NAVISTAR 8100 1999 1,547
NAVISTAR 9100 1999 1,547
NAVISTAR 9200 1999 1,547
NAVISTAR 9400 1999 1,547
NAVISTAR 9800 1999 1,547
NAVISTAR 9900 1999 1,547
NAVISTAR FE BUS 1999 1,547

Source: NHTSA Campaign 99V055001 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.