G 1500 1/2 Ton Van V6-4.3L VIN W (1997)
c) The left lower retaining nut.
d) The right upper retaining nut.
4. The stoplamp switch, power brake booster pushrod and retainer to them brake pedal.
5. The power brake booster hose and check valve to the power brake booster.
6. The brake master cylinder to the power brake booster.
7. Bleed the brake system. See: Hydraulic System/Service and Repair
