Front brake pain
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Posting Guru
Joined: Apr 2004
Posts: 1,127
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From: Lewistown, PA
Front brake pain
Hello everyone. I have a problem concerning my front brakes on my 77 F-150 4x4. I have notice my pads dragging on my LF. I went and bought pads to replace them when I discovered that the inside pad was completely worn down while the outside was still good. First, why did this happen? Second, how does one remove the caliper( I believe thats it's been there for years)? And third, what material did Ford use for the caliper piston? I tried to move it back a little and a chunk broke off about 1/2" long from the face of it. How bad is that, I know it's not good. Thank you for any input you may have 
Elder User
Joined: Mar 2004
Posts: 856
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From: Kansas City, Missouri
You will probably get some more specific answers but usually un-even pad wear is due to caliper problems. I really don't know what material was used but with a 1977 it could definately have deteriated by now. I would say either look into rebuilding the caliper or get a rebuilt from the parts store and replace it. Be sure to look at the other side too for the same problem. Sometimes if you have one side that isn't working correctly the other side will wear quicker because it is doing all of the work. 
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Posting Guru
Joined: Apr 2004
Posts: 1,127
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From: Lewistown, PA
Thank you 1081 for your quick response. About a month ago I had to replace the the RH brake hose becase it blew, but had been leaking for quite sometime beforehand. This probably caused the LH side to work harder possibly causing a problem with the caliper. I am going to replace both calipers today. At $13 a peice why not? Now how do I get them off?
Elder User
Joined: Mar 2004
Posts: 856
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From: Kansas City, Missouri
I agree $13 each is pretty cheap. I don't remember specifically on the 77 but there should be two bolts on the back (or inside) of the side of the spindle mounting plate that holds the caliper on. You should be able to take those and and pull the caliper up off of the rotors. You will then have to basically take the brake line loose and R&R. While in there, I would suggest replacing the pads and having the rotors turned while your in there and that way you know everything is true. Somtimes I will take the lid off of the master cylender while I have the brake lines open so that it kind of gravity bleeds while I am working and final bleeding is much easier when done. You must watch the level of the fluid level if you are doing this because you don't want it to run dry. This is very geneal instruction but you should be able to see what needs to be done when you get into it. 
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Posting Guru
Joined: Apr 2004
Posts: 1,127
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From: Lewistown, PA
Thanks everone for your replies. I spoke with a friend of mine who's a ford truck guru and he came over and gave me a hand. We disovered that the anti-seize had worn off causing the the calipers on both sides to stick. I replaced the pads and calipers on both sides and was sure to use PLENTY of anti-seize. 
