What size wrench is needed to remove the rear caliper mount bolts on a 2002 Chevy Suburban?

The most common size for rear caliper mount bolts on a 2002 Chevy Suburban is 14mm. However, it's always best to double-check with a repair manual specific to your year and model Suburban to be absolutely certain. There's a small chance it could be a different size depending on any specific modifications or unusual parts.