1997 Chevrolet 1500 Pickup Q&A

1997 Chevrolet 1500 Pickup Question: why is the brake pedal hard

when i push the pedal after first starting its hard and weven when its driving the pedal still remains hard -
Answer 1
VACUUM PROBLEM (INCLU. CHECK VALVE) TO BRK. BOOSTER OR DEFECTIVE BOOSTER. -
Answer 2
agree with wetry -
Answer 3
bad brake booster -