A 3/8" Allen wrench is used to r&r the caliper bolts.
size of bolt on break calliber on Chevy trailblazer
It should be a 3/8" Allen wrench.
The Allen wrench size for the front caliper slide pin bolts is 3/8".
3/8" Allen
chevy blazer fan bolts are a 13 mm bolt. There will be 4 of them
15 mm is the size,for caliper bolts caliper bracket bolt is t60(it is star shaped)
You need 54mm bore bolts for a caliper for a 1998 Chevy Prism.
It takes a 3/8" allen wrench to r & r that caliper bolt.
3/8"
They are Metric bolts, 12 or 13 millimeter I think.
T55
It will take a 15mm socket to r&r them.