K 1500 Truck 4WD V8-4.8L VIN V (2003)
Hydraulic Control Assembly - Antilock Brakes: Description and Operation
ABS Description and Operation (8600 GVW or Less)
Antilock Brake System
ABS Description and Operation (8600 GVW or less)
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Brake pressure modulator valve (BPMV)
The BPMV uses a 3-circuit configuration to control the left front wheel, the right front wheel, and the combined rear wheels. The BPMV directs
fluid to the left front and right front wheels independently. The BPMV directs fluid to the two rear wheels on a single hydraulic circuit.
The BPMV contains the following components.
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Pump motor
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Three isolation valves
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Three dump valves
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A front low-pressure accumulator
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A rear low-pressure accumulator