1985-1998 [Subscribe to Daily Digest] |
I've done it two ways, or a combination of the two. I have a pair of motocycle tire irons, kept from the days of racing. They have come in handy in many ways, one is to get the piston back in the caliper for both 900s and 9000s.
First, if you have worn the rotors to the point where they have a lip on the outside edge you should rotate them around to the area where there is an access point, there is a cutout just a little wider than the pads and should not have the lip on it (or at least much less). I don't have the special SAAB for the pad removal, I use a phillips screwdriver with a shaft that just fits into the pad holes, I use it as a lever to move the pads out. With one pad out, try for the outside first, I put the lever in across the piston (or bracket) position the curved in towards the contact point, this keeps it off the swept portion. Then you can either just lean and hold (patience grasshopper!!!) , or optionally crack open the bleeder nipple as you continue to lean and hold. Be sure to close the nipple before you release the lever. Put the new pad in, remove the other old one, repeat the process. If you are replacing the rotors remove both the alignment pin and the hold pin. If you strip the hold pin torx face out DO NOT USE AN EASYOUT! Instead, look at your new rotors, get a drill bit that will fit into the counter sunk hole that the screw is in. The screw is fairly soft, the idea is to drill off the head of the screw, right down to hitting the actual rotor. You will be able to easily turn the remaing screw shaft after removing the rotor. Without any force streching the screw it will turn almost by hand, for sure with pliers or visegrips.
You may be able to wiggle the rotor out without removing the caliper, or you may need to loosen the mount hex screws. There two and they are behind the rubber plugs, unless they have already departed! Just remove the hex bolts/screws and pull off. I like using a bungy cord to support the caliper (attach to something, wrap around the caliper to get correct length and hang from something - this is tempory), sometimes the coil spring is a good place to hookup.
replace rotor, refit the caliper, and continue to fit the pads as described above.
make sure to top off the brake fluid resevoir as needed.
Make sure you do an adaptation run to bed in the rotors and pads, it helps to keep from warping the rotors.
hth
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