Pinpoint Test B: Vibration When Brakes Are Applied
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Jaguar XFR-S, 2015 Jaguar XFR, 2015 Jaguar XF, 2014 Jaguar XFR-S, and 2014 Jaguar XFR. However, it is still accessible from the selected car via links, so may be relevant.
- B1: ROAD TEST VEHICLE
- Road test the vehicle between 40-80 km/h (25-50 mph) without applying brakes.
Is the vibration present?
- Yes
: For noise vibration and harshness tests.
REFER to: Noise, Vibration and Harshness (NVH) (Diagnosis and Testing).
- No : GO to B2 .
- B2: CHECK FOR BRAKE VIBRATION
- 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 to specification as required. Check the balance of all road wheels and tires and repair as required. Check the brake discs for excessive wear, runout, thickness variation or cracks. Install new brake discs and brake pads as required. GO to B3 .
- No : No action required, vehicle is OK.
- B3: IS VIBRATION STILL PRESENT UNDER BRAKE APPLICATION?
- 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 section in service information and install new components as required.
- No : No action required, vehicle is OK.