Rear Brake Caliper Problems

[muggzy]

Hey All,

 

I went to replace the brake pads on my rear caliper a couple of days ago and the bolts that hold the pads into the caliper were shot. I knew that the back most one was stripped while I was taking it out, I could just feel it. I found a newer (used) caliper locally today but it needed pads too. So I just got back to working on it and the same (back) screw was coming out the same way. Only the bottom 2-3 threads are shot but they wrecked the threads in the hole on the way out. WTF!?!? Did I do something to eff it up?

 

^^ Anybody know what the thread size is? It's that bolt that only has threads for about 1.5cm from the head of the bolt and the rest is bare for about 4cm. I'm gonna try chasing the thread with a tap to clean it up but I may have to helicoil the damn thing tomorrow.

[bansheesandrider]

Hey All,

 

I went to replace the brake pads on my rear caliper a couple of days ago and the bolts that hold the pads into the caliper were shot. I knew that the back most one was stripped while I was taking it out, I could just feel it. I found a newer (used) caliper locally today but it needed pads too. So I just got back to working on it and the same (back) screw was coming out the same way. Only the bottom 2-3 threads are shot but they wrecked the threads in the hole on the way out. WTF!?!? Did I do something to eff it up?

 

^^ Anybody know what the thread size is? It's that bolt that only has threads for about 1.5cm from the head of the bolt and the rest is bare for about 4cm. I'm gonna try chasing the thread with a tap to clean it up but I may have to helicoil the damn thing tomorrow.

Sounds like you have plan for fixing it. It was probably hard to remove because it was corroded. Whe I put anything together on my quads(which are ridden exclusively in the sand) I use either anti-sieze or loctite. I use the blue loctite even on stuff that I am not worried about it loosening up because with the loctite in the threads there is no room for moisture to get in there and start corroding things. Because there is no corrosion it is easier to take things apart that have been put together with blue loctite than if it was put together dry.

[muggzy]

I use the blue loctite even on stuff that I am not worried about it loosening up because with the loctite in the threads there is no room for moisture to get in there and start corroding things. Because there is no corrosion it is easier to take things apart that have been put together with blue loctite than if it was put together dry.

 

Hey thanks sandrider. I did just that this morning. Been getting into the Blue Loctite habit. It seems everything I touch on this thing that I haven't worked on myself needs more repairs than I start out on. Oh well, at least I know the brakes will be easier next time.

[toytech]

Hey All,

 

I went to replace the brake pads on my rear caliper a couple of days ago and the bolts that hold the pads into the caliper were shot. I knew that the back most one was stripped while I was taking it out, I could just feel it. I found a newer (used) caliper locally today but it needed pads too. So I just got back to working on it and the same (back) screw was coming out the same way. Only the bottom 2-3 threads are shot but they wrecked the threads in the hole on the way out. WTF!?!? Did I do something to eff it up?

 

^^ Anybody know what the thread size is? It's that bolt that only has threads for about 1.5cm from the head of the bolt and the rest is bare for about 4cm. I'm gonna try chasing the thread with a tap to clean it up but I may have to helicoil the damn thing tomorrow.

 

they should be 8mm x1.25

 

it happens, get Time Serts they are way better than helicoils, or drill and tap it for a bolt two sizes bigger red loctite that in cut it off then drill and tap it to the oridginal size, works great just a little more work but worth it

Edited July 8, 2010 by toytech