You had head gaskets put on a 92 ford thunderbird tubo super coupe now the brakes are hard to push and car hard to stop and brake light is on?

Answer 1

check forit sounds like the vacumn hose is off the power brake assist chamber. Answerits possible the vacum line to the brake booster was not put back on if it wasnt there would be a major vacum leak unless the line was plugged off the booster is located where the master cylinder is under hood that's where you add brake fluid