Brake rebuild kit - instructions for newbs?

[Subw00er]

I bought the GM brake rebuild kits. Is there a newbie "how-to" lying around somewhere? I couldnt find it.

In my searches it looks like I should remove the caliper from the car (not ideal!) and then pull the pistons out. I may need to use a compressor to push the pistons out with air?! I guess I should also use a block of wood in between the piston and caliper - It shoots out of there, but this is confusing ot me since it seems like it wouldnt be under pressure if its out of the car.

Couple questions, can I do this while the calipers are still attached to the car, and any other words of wisdom? Thanks.

[wallyman424]

Originally Posted by Subw00er

I bought the GM brake rebuild kits. Is there a newbie "how-to" lying around somewhere? I couldnt find it.

In my searches it looks like I should remove the caliper from the car (not ideal!) and then pull the pistons out. I may need to use a compressor to push the pistons out with air?! I guess I should also use a block of wood in between the piston and caliper - It shoots out of there, but this is confusing ot me since it seems like it wouldnt be under pressure if its out of the car.

Couple questions, can I do this while the calipers are still attached to the car, and any other words of wisdom? Thanks.

no, you cant rebuild them in the car. you have to pull them off the car, and use air pressure applied to the hydraulic line port to shoot the pistons out.

also, why rebuild when replacement calipers are 110/piece from fredbeans? The problem with the calipers is that they spread, the pistons/seals are usually fine.

[Subw00er]

I just found this: http://www.installuniversity.com/ins...er_rebuild.htm

Wally, thats sort of a rational point, maybe I'll consider this next year. I do not think my calipers have spread though because I still have even pad wear. I am fairly easy on brakes and only really drive at 80% of my (or the car's) ability. I'm not racing, just have fun at the track. That last 20% gets expensive!