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I was putting in my bbk today and stripped the hole where the oil feeds into the calipers. At first I thought it was the bolt but then I pulled it back out the hole inside was stripped out. What can I do to fix it? Any thoughts? I hope I dont have to buy another caliper.
I believe that there is a product called "Form a thread" (or something like that) on the market. I used it about 20 years ago on the bolts that held on my wheel covers and never had a problem with them. However, the brake lines are under pressure when in use, so I don't know if this product is appropriate for the application. Is there an insert that will fit?
i think i will try to take it to a machine shop to get it rethreaded.. hopefully it will help..
Tuterz,
You will have to get the hole re-drilled and tapped oversize, and have a slimsert (or an Heli-coil) installed... This procedure requires special tooling and is widely use on aircrafts... Assuming the seal between the hose and the caliper is done with a copper washer (like regular calipers), this should work.
Did you strip it by over tightening, or is it a manufacturing defect? If it's a defect, I would request a replacement... 'cause I assume that these aren't cheap!
BUT DON'T USE ANY KIND OF PUTTY!!! It will definitely not work!
I stripped it by over tightening it. I'm bringing it to a shop tm so they can take a look at it. It was the very last step and I was done too. SMH. I was pretty sad about it.
I stripped it by over tightening it. I'm bringing it to a shop tm so they can take a look at it. It was the very last step and I was done too. SMH. I was pretty sad about it.
The heli coil may fail due to the high pressure brake fluid. I would take it to a machine shop and let them repair it - if possible.
Helicoils are designed to withstand correct torque value, and are widely used to repair stripped treads in aircraft components.
Typical brake line pressures during a stop range from less than 800psi under "normal" conditions, to as much as 2000psi in a maximum effort. Aircraft hydraulic systems operate at 3000 PSI... Just so you know.