7mm.
The Allen wrench size for the front caliper slide pin bolts is 3/8".
9mm Allen wrench
A 3/8" Allen wrench is used to r&r the caliper bolts.
7 mm
Metric Allen wrench.
A 3/8" Allen wrench.
The caliper bolts can be accessed from the rear of the caliper. After removing the tire you can view the recessed brake caliper bolts. You will need a large Allen wrench, as these are Allen head bolts. Consult your auto parts store for the proper size Allen wrench. Common toolbox wrenches will be far too small. I would advise to spray down with some WD-40 the night before. You should also make available a large hammer to hit the wrench and loosen the bolts, as it is an akward position to muscle the bolt free with a short wrench.
the caliper bolts require a 3/8" Allen wrench. You can buy these as a socket at just about any parts store.
use an Allen wrench not a socket or open or box wrench.
You need a 3/8" Allen wrench to remove them.
The front caliper on a 1995 Ram is requires a 3/8 inch Allen wrench to remove the bolts.
It should be a 3/8" Allen wrench.