mark79,80

Was removing a rear brake caliper and instead of removing the bolts
that hold the caliper to the car I removed one bolt that holds the
caliper halves together and loosened the second bolt before I realized
it and tightened the bolts. As soon as I loosened the first bolt brake
fluid came out. Caliper halves never moved as the brake pads held
them in alignment.

Do I need to anything to the caliper so it will not leak?
Replace the o rings between the halves? If so can I match them
up at a hardware store?

Ganey

Probably just tighten will do it.

dburgjohn

If fluid came out, air may have gone in. You need to bleed it to be sure

RaymondD

I would bleed the brakes and clean the pads with 'break clean' to make sure there isn't any brake fluid on them.

0grandmastercorvette

I agree with all of the above.

69elky

As do I.

mark79,80

Installed caliper and it does not leak. Bleed the brakes.
The GM service manual lists to torque the caliper housing bolts
to 60 pounds. This seems like a lot of torque for that size bolt.
Not sure if caliper housing bolts are the same as caliper half bolts?

stock76

The caliper housing bolt for the rear caliper should be torqued to 60 lb-ft.

The front housing bolt should be torqued to 130 lb-ft.

The Caliper mounting bolts should be torqued to 70 lb-ft.