G874174P2: Vibration When Brakes Are Applied

PINPOINT TEST G874174p2: VIBRATION WHEN BRAKES ARE APPLIED

G874174t3: ROAD TEST VEHICLE

1. Road test the vehicle between 40-80 km/h (25-50 mph) without applying brakes.

^ Is the vibration present?

-> Yes
TEST for noise vibration and harshness (wheel/tire balance, worn/damaged suspension bushings/components, etc.). REPEAT road test if necessary.

-> No
GO to Pinpoint Test G874174t4.

G874174t4: CHECK FOR BRAKE VIBRATION

1. Road test the vehicle between 40-80 km/h (25-50 mph) with light and medium application on the brake pedal.

^ Is a vibration present?

-> Yes
CHECK the brake caliper mounting bolts and wheel hub nuts and TIGHTEN as necessary. CHECK the balance of all road wheels and tires and REPAIR as necessary. CHECK the brake discs for excessive wear, runout, thickness variation or cracks. INSTALL new brake discs and brake pads as required. GO to Pinpoint Test G874174t5.

-> No
Vehicle is OK.

G874174t5: IS VIBRATION STILL PRESENT UNDER BRAKE APPLICATION?

1. Road test the vehicle between 40-80 km/h (25-50 mph) with light and medium application on the brake pedal.

^ Is a vibration present?

-> Yes
CHECK for wear or failure of steering gear bushings. CHECK for wear or failure of steering gear ball joints. CHECK for wear or failure of front wheel bearings, suspension bushings and ball joints. CHECK for wear or failure of rear wheel bearings, suspension bushings and ball joints. REFER to relevant information and INSTALL new components as required.

-> No
Vehicle is OK.