I am planning to rebuilding my C5 Brake Calipers.
I did a search and cant seem to find any threads on the topics.
Was hoping PATCHES had one, as he always documents everything thoroughly and uses pictures to show each step.

Does anyone know of any such instructions out there???

Thanks

F.J.B.

 

If your avatar is an indication of usage for the brakes then I would first make sure the calipers have not started to spread apart. I did this job on C4 calipers and I'm sure it must be the same process. Use air compressor or bicycle pump to get the pistons to pop out of the caliper. Replace the o-rings and reinstall with new boots. There really aren't much going on in the calipers if regular maintenance has kept them in good condition.

 

Contact Randy at DRM, they will fix you up

http://www.dougrippie.com/

 

Yes it is an indication, but I have a 2nd set that I am rebuilding to put on the car.

Already done, parts on the way.

Was hoping for a thread to explain what to do.

Thanks

 

Here is the procedure for the front caliper, the rear is similar.
Bill

Brake Caliper Overhaul - Front

1. Remove the front brake caliper from the vehicle. Refer to Brake Caliper Replacement - Front .
Caution
Do not place your fingers in front of the piston in order to catch or protect the piston while applying compressed air. This could result in serious injury.
Notice
Use clean cloths to pad interior of caliper housing during piston removal. Use just enough air to ease the pistons out of the bores. If the pistons are blown out, even with the padding provided, it may be damaged.
2. Remove the brake caliper pistons from the caliper bore by directing low pressure compressed air into the caliper bore through the fluid inlet hole.


3. Using a small wooden or plastic tool, remove the piston dust boot seals from the seal counterbores in the caliper and discard the boot seals.
4. Using a small wooden or plastic tool, remove the piston seals from the caliper bores and discard the piston seals.
5. Remove the bleeder valve and cap from the caliper.
Important
Do not use abrasives to clean the brake caliper pistons.
6. Clean the brake caliper piston bores and seal counterbores, and the caliper pistons with denatured alcohol, or equivalent.
7. Dry the caliper piston bores and counterbores, and the pistons with non-lubricated, filtered air.
8. Inspect the caliper bores for cracks, scoring, pitting, excessive rust, and/or excessive corrosion.
9. If light rust or light corrosion are present in the caliper bores, attempt to remove the imperfection with a fine emery paper. If the imperfection cannot be removed, replace the caliper assembly.
10. If cracks, scoring, pitting, excessive rust, and/or excessive corrosion are present in the caliper bores, replace the caliper assembly.
11. Inspect the caliper pistons for cracks, scoring, and/or damage to the chrome plating. Replace the caliper pistons if any of these conditions exist.
12. Lubricate the new piston seals with Delco Supreme 11® (GM P/N 12377967) or equivalent DOT-3 brake fluid from a clean, sealed brake fluid container.
13. Install the lubricated, new piston seals into the caliper bores.

14. Install the new piston dust boot seal over the piston.
15. Install the caliper pistons into the caliper bores.
a. Install the boots over the ends of the pistons so that the fold will face toward the brake caliper housing piston bore openings.
b. Seat the boots into the brake caliper bore grooves and slide the pistons into the brake caliper bores.
c. Push the pistons down to the bottom of the brake caliper bores.
d. Make sure the boots are properly seated into the piston grooves and into the groove in the brake caliper bores.
16. Install the bleeder valve and cap to the caliper and tighten securely.
17. Install the caliper to the vehicle. Refer to Brake Caliper Replacement - Front .

 

Thank you!

 

Can I WATCH YOU doing this

 

No! And the Harness bar is installed! Nice product by the way. Camera mount backordered!

 

One thing I did when I rebuilt mine was to use a block of wood in front of the pistons and then progressively use smaller wood so they came out a little at a time. Two reasons, first it prevents them shooting out accidentally and second if one hangs up the other will come out and the stuck one is harder to remove. By using the wood, if one hangs up when the other hits the wood then the stuck one will move.

 

 

Absolutely. I use a piece of wood wraped in a thick rag to absorb the force and protect the piston on extraction.

Mark

 

Here are a couple quick vids

http://www.youtube.com/watch?v=ncpg_P0hp7M

http://www.youtube.com/watch?v=z2FC8Q6zA64

Randy

 

Thanks.....now I just need an air compressor!