Silverado SS AWD V8-6.0L VIN N (2003)
Hydraulic Control Assembly - Antilock Brakes: Description and Operation
ABS Description and Operation (Over 8600 GVW)
Antilock Brake System
ABS Description and Operation (Over 8600 GVW)
Brake pressure modulator valve (BPMV)
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The BPMV uses a 3-circuit configuration to control hydraulic pressure to each front wheel independently, and to the rear wheels as a pair.
The BPMV contains the following components.
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ABS pump motor and pump
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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
