NHTSA Campaign 86V086000
SERVICE BRAKES, HYDRAULIC:FLUID
Issued by GENERAL MOTORS CORP. · Reported Jul 7, 1986 · 4,299 vehicles affected
What's wrong
SEVERE BRAKE CHATTER MAY CAUSE THE BRAKE CHAMBER MOUNTING BRACKETS ON EITHER SIDE TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S-CAM SHAFT TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION. CONSEQUENCE OF DEFECT: BRACKETS CAN BREAK, RESULTING IN LOSS OF BRAKING ABILITY AT THE FRONT WHEEL, AND POSSIBLY RESTRICT STEERING, WHICH COULD LEAD TO A VEHICLE CRASH WITHOUT PRIOR WARNING.
Remedy
AS NECESSARY, REPLACE FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE.
Vehicles affected by this recall
| Make | Model | Year | Units |
|---|---|---|---|
| CHEVROLET | B6P042 | 1983 | 4,299 |
| CHEVROLET | B6P042 | 1984 | 4,299 |
| CHEVROLET | B6P042 | 1985 | 4,299 |
| CHEVROLET | B6P042 | 1986 | 4,299 |
| GMC | B6P042 | 1983 | 4,299 |
| GMC | B6P042 | 1984 | 4,299 |
| GMC | B6P042 | 1985 | 4,299 |
| GMC | B6P042 | 1986 | 4,299 |
Source: NHTSA Campaign 86V086000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.