What the Heck. I've been beating on the caliper key for over an hour. I've been soaking it in pb blaster, bolt off, wd-40, and liquid wrench. who has ideas?

I'm tempted to cut the thing out, and buy a new one... If I could find one that is...

 

WD-40 is not a penetrating oil; it's a lubricant.

PB Blaster can take a few days to do its magic if the rust is really bad. Soak it several times a day for a few days. After that, pound at it with a BFH and a brass drift.

 

Caliper key should drive out with a punch and hammer. Use a big punch, the bigger the better. Small punches don't transmit the force and shock like big ones. Same with the hammer, use a big one. In this situation, using a small hammer and punchl is the same as just tapping on it.
New ones are available at just about any parts store.

 

I had the same problem on a 77 f150. I put some burnt oil on it let it sit and just bout still torn the key up getting it out. luckly I had a spare to put it back together with.

 

Drive it out from the backside. Trying to drive it from the front, it will hit the steering linkage. I found out the hard way......
I can go either way on my 80, but the steering linkage happens to be in front of the wheel.

 

I tried the wd-40 after everything else, I figured it couldn't hurt.

using a big punch and bfh. still no luck.

called autozone and O'reilly. no dice.


I can go either back or front. steering linkage is also in the front on mine.



Any thoughts on heat?

 

I spent endless time on mine and then all of the sudden it started to move as I keep pounding with the BFH.

 

so when I called O'reilly and Autozone, they said the didn't have it... wrong answer.

found it at Napa
NAPA AUTO PARTS

so I looked at Autozone
Duralast/Brake Disc Hardware Kit - Front (H5545) | 1977 Ford F250 3/4 ton P/U 4WD 8 Cylinders J 7.5L 4BL OHV | AutoZone.com

morons.

took about 2.5 minutes with a cutting disk on the 4" grinder. New ones going in. SO MUCH EASIER (not to mention faster).

 

Glad you got it done.

 

I have used the hot wrench in the past on some of the nasty ones. not good for the calipers, but they were also getting rebuilt. I did'nt realize you could get new ones.

 

this truck has barely been used the last 8 years. new calipers are going in, new pads, new rotors, regreased wheel bearings, pass side is getting a new spindle. Should be nicer when I'm done.