Description & Operation
Hydraulic system is diagonally split so system will still operate if one side loses pressure. Proportioning valves (one in each rear brakeline) limit hydraulic pressure applied to rear brakes, directing most of the available hydraulic pressure to the front brakes. See Figure . Valves are forward of left rear wheelwell.
Disc brakes are continually self-adjusting. Caliper piston seals retract pistons enough to allow brake pads to lightly brush rotor. Sliding caliper compensates for pad wear.
On all vehicles, BRAKE warning light comes on under the following conditions:
- Parking brake is not fully released.
- Fluid level in master cylinder reservoir is low.
- Ignition switch is in START (bulb check) position. Light should not come on with ignition switch in any other position.