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I drive 78 f150. Im changing the front disc brake pads. My main problem was getting the caliper off the rotor. The way i did it was probably the wrong way. I took a 2x4 and held it against the caliper and hammered the other side of the 2x4 which eventually got it off. It took a hell of a hammering to get it off too. So next time i want to do it the right way. Im sure you guys know what to do.
Once the locking bolt and slide are removed, I like to use a pry bar and apply pressure between the caliper and pad, to force the piston back into the caliper. I do this just enough to slide the caliper off the rotor. Works great. Be sure not to pry directly on the caliper piston, it may break then you'll be replacing the caliper too...
We use a 8 inch c-clamp at our shop if our factory tools won't fit.Place the fixed end against the back of the caliper and the end that moves back and forth into the middle of the piston face,tighten as much as needed,usually you have to bottom it out for the new pads to go in.Be sure to open your master cylinder and scoop a bit of the fluid out so it doesn't overfill and spill all over.Good luck,John
In a perfect world they may,but the ones I've seen have had to be backed off due to neglect.If you don't have any ridges on your rotors they should somewhat easily slide off.
well mine didnt quite do that, like i said i had to do a lot of hammering. i was using a 32oz ball peen and a block of wood. and now theres a big indention on that block of wood where i was hammering it. i tried opening up the bleeder valve see if it would help but not really. it was one of those things where i couldnt think striaght but i was determined to get the thing off
remove the bolt, drive the locking pin out and they just flip up with one hand. I've never had on harder than that, even on trucks that have sat out in fields for years. It takes longer to take the wheel off then it does the caliper.
Last edited by oldhalftons; Mar 22, 2005 at 12:14 AM.
What I do is loosen the bleeder after removing the bolt and slide. This allows you to easily back off the piston for clearance between the brake pads and rotor for caliper removal. Basically you really shouldn't push the old brake fluid back up into the master cylinder. You should realize the old brake fluid should be changed during any new brake pad installation anyway. It's just good maintenance.
I agree with some of the others, just remove the slide bolt push the slide out and pull up on the caliper. The only way the caliper wont come off easy is if your rotors are worn to the point of having a ridge around the outside edge.
Use a small or medium prybar -tip placed between the caliper and the old pad's backing plate. Pull on the prybar untill you see the pad seperate from the rotor. It should slide right up after that. Your rotors are probably grooved or worn beyond resurfacing. New pair of rotors from Carquest was about $50-60 last month. I don't remember exactly but I just did this last month.
Now if I can just get the sheared off slide bolt remains out of the hole to put in a new one... already broke three drill bits on the damned thing.
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