1996 - 1997 Isuzu Hombre RWD. 1995 - 1998 Chevrolet S10. Booster Type：Vacuum. 1995 - 1997 Chevrolet Blazer V6-4.3L. Type：Brake Booster. A: How can I test my brake booster for proper functionality?. B: With the engine off, pump the brake pedal until it feels firm and hold.
