If it keeps breaking and not just slipping off you've probably got a pulley that is locking up. You'll just have to find which one it is.....A/C, Power Steering, idler pulley, etc.
timing chain
The 1999 Chevrolet Silverado serpentine belt assembly diagram can be obtained from most Chevrolet dealerships. The diagram is usually provided when you purchase the serpentine belt.
You have one belt that runs everything. It's called the serpentine belt. Yours is most likely a 960K6 in the Gates or Dayco belt line.
how do you change the air condition controller in a 2004 chevy silverado
If it is a serpentine belt you replace the tensioner pulley
Replace your a/c evaporator filter under dash. Liquid refrigerant is getting back to compressor causing belt to break.
Your 1999 Chevy blazer doesn't have a timing belt.
Should have a spring loaded belt tensioner
It does not have a timing belt. It uses a chain.
A/C Belt Power steering belt. Alternator belt Air pump belt.
belt
Belt