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'92 F150 brake caliper removal - problem!
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Guest
Anonymous Poster
Jan 19, 2008, 6:17 PM
Post #1 of 11
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'92 F150 brake caliper removal - problem!
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OK, it seems easy enough to remove the caliper pins, but wow, they will not budge. I've taken a screwdriver and released the barb. Have tried tapping it out with 3/8 extension. That didn't work at all. Only goes in a bit and then nothing. Also released the inside "barb" and tried pulling with everything I've got and it won't budge. Even tried using vice-grips to get best possible hold. It comes out about 1/4 inch or so and then when released "sucks" back in. Am I doing something wrong here? It seems so simple, but it ain't moving. Help! (I will undoubtedly get new pins when reassembling, so whatever is needed at this point is A-OK.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2008, 1:36 AM
Post #2 of 11
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Re: '92 F150 brake caliper removal - problem!
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?? You've started a new thread instead of following the original but I think I can end this here now.
Those metal rubber pins have four barbs each. The springing action of the rubber holds them in place when perfectly in place. If you just strike down on just the metal an get the barb under where it slides - then do the other, than you can chase the whole pin out tapping with screwdriver or whatever but just on the metal - not the rubber inside. A punch or like I said a beat up old extenstion hits both metal parts at once and leaves the rubber alone. It will shoot into the inboard side and fall out.
1992 - they could be rusty and messed up. New ones would be nice. Take a file and or gasket scraper and clean up the "v" grooves of the caliper and the "v" on the spindle that holds the whole thing and use brake lube on the grooves so they slide properly in use and don't rust/corrode further.
If anything gets damaged getting them out it would likely be just the pins not the harder metal of caliper and spindle guides. I know at a glance these things look like they can't be taken apart at first till you see it apart and see what the idea is. As I said - if there's a special punch for these I never owned one or needed one. You fight with one, once and they are not that difficult after that.
Hope that get it for you. I know this forum allow ''Guests" to post but if you sign up with any name not taken it makes it easier to follow you as you get used to how this show works here.
You don't need an "avitar" like my kitty - JIM N uses that firing engine and it's scaring kitty!
Tom
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2008, 5:03 AM
Post #3 of 11
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Re: '92 F150 brake caliper removal - problem!
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The pic is worth 1,000 words.
0900823d800d2d81","gif_medium","no")"
This was in the link that JIM posted. This person is using a punch. I tap down or in on each of the two outer metal parts of that pin just so they aren't snapped in place then tap it through (tap on metal only) - it will fall out the inboard side. If these pins are damaged, don't clean up and snap into place when re-installed they have to be replaced.
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Guest
Anonymous Poster
Jan 20, 2008, 8:58 AM
Post #4 of 11
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Re: '92 F150 brake caliper removal - problem!
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Thanks guys. I'll give it another whirl today. I did punch just as shown in picture. Was careful to stay straight and firm, but the pin ends want to bend. Will try again... and again. Will report back so you know how it went. Am on the west coast so won't get to it until later today. See you're from MA. In case you care, good luck to your Patriots! Thanks again.
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ZmanWA
User
Jan 20, 2008, 9:04 AM
Post #5 of 11
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Re: '92 F150 brake caliper removal - problem!
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Per your request I've signed up using ZmanWA - no longer "guest"
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2008, 9:15 AM
Post #6 of 11
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Re: '92 F150 brake caliper removal - problem!
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Go Pats! Oh - for those pins again, when you punch at the sleeve of the pin aim towards the rubber inside it and towards inboard (engine side) of the caliper. Kind of at an angle not straight on as shown but that would work with some. That nub should sneek under, do the other the same and then knock the whole pin thru. You'll get it. Then hurry up and watch the Pats take over the world!
T
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Guest
Anonymous Poster
Jan 20, 2008, 10:38 AM
Post #7 of 11
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Re: '92 F150 brake caliper removal - problem!
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Tom,
Got it done. Amazingly, it was quite easy. Whew! ... To the next step I was going to replace the rotors (I bought new ones - they're cheap these days), but my rig is a 4-wheel drive and it looked far above my skills to remove all the workings of that. I put in the new pads and all appears to be in great shape. .... Thanks and enjoy the game (win).
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2008, 11:04 AM
Post #8 of 11
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Re: '92 F150 brake caliper removal - problem!
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Rotors should be a peice of cake! do the new ones look like this? Those are just slide on but of course rust can and will stick them real good at the large center hole to hub. Get some PB (power blaster) penetrating oil on them right now. Get a rubber hammer and strike one side of the outer edge - don't mess up the surface for friction and it should start to rock. Hit the other side and jockey the sucker off of the hub. Now clean all the rust or crap up so the inside of new rotor has a nice clean, smooth surface or it will wobble - not good. Smear some of that brake lube (just enough) where metal of rotor will press against the hub and some on the nose of the hub - it will remove easily forever if you do that. DO NOT GET GREASE ON FRICTION SURFACES! If so clean it off with brake cleaner. In fact clean new rotor with that too if at all gunky or if CA doesn't sell that soap and water will be recommended for some.
Do this with the caliper off! You'll get real good at those pins if you just go back for the rotors and best to match new pads with new rotors. You will have to push piston(s) back again as new rotor will be thicker and you will need the clearance.
Note: It works to just "c" clamp the piston back but that is pushing used brake fluid back to mater cylinder. You can get air in system if you use the bleeder to push back for clearance and should make sure that works anyway. If you want to polish off with the best job, drain the larger part of the master cylinder's reservoir with a turkey baster (don't use on turkey again) and fill and bleed with just fresh brake fluid.
Hey - you'll be a CarJunky yet! Good luck,
T
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Double J
Veteran
/ Moderator
Jan 20, 2008, 1:25 PM
Post #9 of 11
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Re: '92 F150 brake caliper removal - problem!
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Hey Tom
I didn't know i was scaring kitty.
From the looks of things ,now I'm getting scared.......
(This post was edited by JIM N on Jan 20, 2008, 1:28 PM)
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Guest
Anonymous Poster
Jan 20, 2008, 1:42 PM
Post #10 of 11
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Re: '92 F150 brake caliper removal - problem!
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That is indeed what they look like. I'll give it a try!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 20, 2008, 2:30 PM
Post #11 of 11
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Re: '92 F150 brake caliper removal - problem!
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JIM! WHERE DID YOU GET THAT PIC?? I THOUGHT I TURNED OFF MY SECURITY CAMERAS!
T
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