Hello, I'm Cam.
Confirm that you have adjusted the rear brake shows, if not then you need to use a flat screwdriver type tool and insert it into the hol at the bottom of the backing plate and move the adjuster to extend out the shoes.
The shoe is inside the rotor itself. , a dual system if you will.
The brakes are rear discs. It has a good pedal.
It seems to stop fine on the road. However in addition to the brakes failing to lock the rear wheels when they're in the air, the parking brake won't hold the vehicle in drive, even though the park brake pedal stops mid-way down.
I haven't tried to pull the park brake cables. I can try that. If it slows the wheel, what does that tell me?
Regarding the shoe inside the rotor, I don't think this Blazer has that...? Isn't that a Ford set up?
I just remember that 80's GMs with rear discs, like Camaros and Firebirds, had a tendency for the rear discs to get out of adjustment. The fix had something to do with the parking brake. Does this Blazer have the same set up?
I repeat my last question....1980's GM rear disc brakes had an adjustment function. Does this 2000 Blazer have the same set up, and do you know what the adjustment function was?