K 1500 Truck 4WD V6-4.3L VIN W (1997)
Hydraulic Brake Booster: Service and Repair
Flushing the Hydraulic Booster System
Flushing is required when the fluid in the power steering/hydraulic booster system becomes contaminated. Contaminated fluid in the booster system
can cause rubber deterioration. Flushing the system involves draining the old fluid and replacing it with clean fluid.
