I'm getting ready to buy a 1998 Chevy Blazer from my dad. I wanted to see what types of issues that they're known for. I know it's had the heater core and some other things replaced. It only has I think 68k miles on it. I'd hate to sell my 1994 Toyota Corolla which has given me 0.00 problems to something that is going to cost me a lot in repairs.