Symptom Chart
WARNING: This page is about a different car, the 2011 Jaguar XKR, 2011 Jaguar XK, 2010 Jaguar XKR, and 2010 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
| Condition | Possible Source | Action |
|---|---|---|
| Brakes noisy | Brake pads. Brake discs. |
GO to Pinpoint Test A. |
| Vibration when brakes are applied | Wheels require balancing. Wheel hub nuts. Brake caliper mounting bolts. Brake pads. Foreign material/scratches/corrosion on brake disc contact surfaces. Excessive brake disc thickness variation. Excessive brake disc runout. Wheel bearing wear or failure. Suspension bushing wear or failure. Steering bushing wear or failure. |
Go to Pinpoint Test B. |
| The brakes pull or drift | Tire pressures/wear. Brake calipers. Brake pads. Brake discs. Wheel alignment adjustment. Wheel bearing. Suspension bushings and ball joints. |
GO to Pinpoint Test C. |
| The pedal feels spongy | Air in brake system. Leak in hydraulic system. Brake booster/master cylinder. Brake pads. |
GO to Pinpoint Test D. |
| The pedal goes down fast | Air in brake system. Leak in hydraulic system. Brake booster/master cylinder. Brake pads. |
GO to Pinpoint Test E. |
| The pedal goes down slowly | Air in brake system. Brake booster/master cylinder. |
Go to Pinpoint Test F. |
| Excessive brake pedal effort | Brake pads. Brake booster. |
GO to Pinpoint Test G. |
| Brake lockup during light brake pedal force | Brake pads. Brake calipers. |
GO to Pinpoint Test H. |
| Brakes drag | Parking brake control applied/malfunction. Seized parking brake cables. Seized caliper slide pins. Seized brake caliper. Brake booster. Pedal gear. |
GO to Pinpoint Test I. |
| Excessive/Erratic brake pedal travel | Hydraulic system. Brake pads. Brake discs. Hub and bearing assembly. |
GO to Pinpoint Test J. |
| The red brake warning indicator is always on | Fluid level. | FILL the system to specification. CHECK for leaks. |
| - | Brake fluid level sensor. | INSTALL a new brake master cylinder fluid reservoir. Refer to Brake Fluid Reservoir article. |
| - | Parking brake control. | For additional information, Refer to Parking Brake article. |
| - | Electrical circuit. | For additional information, Refer to Parking Brake article. |
| Slow or incomplete brake pedal return | Brake pedal binding. Brake booster/master cylinder. |
GO to Pinpoint Test K. |