Ok I have a 2000 gmc jimmy SLE (2 wheel drive) and I recently replace the brake booster and master cylinder and now i can't get my vehicle out of park, my pedal goes straight to the floor but i don't hear air i check my dash board lights and the brake light along with the check engine light are on idk what to do at this point please help me also tried bleeding the brakes and that didn't help

 

Did you bench bleed the master cylinder before install? If not, it will be extremely difficult to get the brakes working properly.

 

Yes I did but I'm not worrying about the brake so much as I am about me not getting the car out of park

 

Switch under brale peddle may be bad. May have blown fuse. as for your brakes, if the fluid drained completely out. your abs needs to bleed with a tool available at dealers or it wont work right

 

Which switch and I checked my fusespam they are fine and I filled master cylinder before I bench bleed it and it hasn't been empty since

 

this video will show you where it is

 

It's the rest of the brake system that you don't want to let air into. The ABS system has air in it, and will need the PCM aided bleeding procedure to get the air out. Tow it to a shop with a capable scanner. Pretty much any shop that does brakes these days should have it.

 

I know I'm late but the switch was the problem thanks gents

 

Damn late! But that's ok. I forgive you, better late then never. Lol

 

Thanks for the final report. These are very helpful to others who might find this thread. And Congrats!