What size wrench is needed for the 2 bolts that hold caliper on 2004 Chevy Suburban?

The size of the wrench needed to remove the caliper bolts on a 2004 Chevy Suburban depends on the specific model and whether it has disc brakes on the front or rear (or both). There's no single universal answer.

However, 14mm and 15mm are the most common sizes for these bolts. You'll likely need both sizes, as sometimes different size bolts are used on the same caliper.

It's best to:

1. Consult your owner's manual: This will provide the most accurate information for your specific Suburban.

2. Visually inspect the bolts: Before you start working, take a look at the caliper bolts themselves. The size will usually be stamped on the bolt head.

3. Use a wrench set: A socket set with both 14mm and 15mm sockets is recommended, as it will provide a much better grip than an open-ended wrench.

Don't assume the size – always double-check to avoid damaging the bolts or your tools.