NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   think i just screwed myself (https://www.nopistons.com/2nd-generation-specific-17/think-i-just-screwed-myself-64922/)

silver86 03-24-2007 07:40 PM

yep... still working on this 5-lug swap of mine...



still couldnt get the toe control bolt loose, so decided to give a crack at removing just the hub and not the whole assembly... removed both the screws that hold the disc on, and started trying to remove the caliper... when i BROKE the head off the top caliper bolt.... ****** god damnit... i dont even know what to do... i cant remove the caliper with the remainder of the bolt stuck and still remove the disc to get at the hub... and i cant get the toe control bolt loose...



****... https://www.nopistons.com/forums/pub..._DIR#>/sad.gif

fc3sboy1 03-24-2007 08:11 PM

6 nuts and 2 brake lines, 2 e-brake cables and 4 d-shaft nuts the whole rear sub comes down. i think you might want to do that and take care of all the fucked up **** that is on the rear suspention man.

silver86 03-24-2007 08:52 PM


Originally Posted by fc3sboy1' post='865181' date='Mar 24 2007, 08:11 PM

6 nuts and 2 brake lines, 2 e-brake cables and 4 d-shaft nuts the whole rear sub comes down. i think you might want to do that and take care of all the fucked up **** that is on the rear suspention man.





that isnt on my car... all these problems are comming from my donor car...

RONIN FC 03-24-2007 09:54 PM

Unbolt the whole caliper bracket.

silver86 03-24-2007 11:32 PM


Originally Posted by RONIN FC' post='865201' date='Mar 24 2007, 09:54 PM

Unbolt the whole caliper bracket.





like the upper, lower and ddts bolts?



edit: ok i see... only problem im having there, is that i cant seem to break the ddts bolt loose... i would heat it up to break up the oxidation, but i also dont want to melt the bushing... any tips? would i be safe rigging up a long breaker bar... or would i risk also breaking the head off that bolt also https://www.nopistons.com/forums/pub...IR#>/wacko.gif

teknics 03-25-2007 08:10 AM

no there are 2 caliper bolts and two caliper bracket bolts, at least IIRC. just remove the 2 bigger caliper bracket bolts to remove the whole caliper as one piece.



kevin.

silver86 03-25-2007 03:17 PM


Originally Posted by teknics' post='865225' date='Mar 25 2007, 08:10 AM

no there are 2 caliper bolts and two caliper bracket bolts, at least IIRC. just remove the 2 bigger caliper bracket bolts to remove the whole caliper as one piece.



kevin.



thats what im trying to accomplish, but the head i broke off is on the bracket...

RONIN FC 03-25-2007 05:19 PM


Originally Posted by silver86' post='865280' date='Mar 25 2007, 04:17 PM



thats what im trying to accomplish, but the head i broke off is on the bracket...

Is it the bracket or the "top caliper bolt"?

teknics 03-25-2007 05:26 PM

yea im gonna go with i dont have a clue. even if you snap a bracket bolt you should be able to take the other off and then just jockey the whole caliper assembly off.



kevin.

silver86 03-25-2007 08:55 PM

1 Attachment(s)
sorry for the confusion... so heres a pic of the bolt i broke...



Attachment 19699



sorry for the quality, something is wrong with my camera...

fc3s4utnv 03-26-2007 03:45 PM

Un dolt the other one, and slide all of it off in one peice, the rotor caliper caliper braket and everything, you will nd another caliper and braket unless you can get the honker of a bolt out.

silver86 03-26-2007 08:41 PM

well... tried again tonite to get the ddts bolt out on the driver side... no luck... still cant get it to budge even after soaking the thing in pb blaster for the past 3 days...doesnt help when the brake dust cover and disc are in the way... even tried heating it up a bit, but decided to stop b4 melting the bushing itself and the cv boot...



so onto the pass. side... why couldnt the driver side go as smoothly? decided to try pulling just the hub this time... waaaaay easier... now i just need to find a better puller, my 3 prong 4" puller only pulled it 1/4" back b4 one of the lugs got in the way...



anyone in the WI area have access to a TIG welder and know how to use it... someone told me that you can build up whats left of that bolt, then weld a socket to it and ease it out that way...



oh and btw, ive been meaning to ask this... on 7's with 4 pot brakes up front, are the rear calipers different from those cars... or are the rear calipers all the same...

fc3s4utnv 03-26-2007 08:46 PM

depends some have vented rotors some dont.

silver86 03-26-2007 08:48 PM


Originally Posted by fc3s4utnv' post='865493' date='Mar 26 2007, 08:46 PM

depends some have vented rotors some dont.





that would be the only difference?



wondering, cause if i dont have to swap the calipers between the 2 cars... that would be 1 less thing id have to worry about...

iceblue 03-26-2007 08:50 PM

The calipers are 40 and 85$ a piece from parts store buy new ones sheez.

silver86 03-26-2007 08:55 PM


Originally Posted by iceblue' post='865495' date='Mar 26 2007, 08:50 PM

The calipers are 40 and 85$ a piece from parts store buy new ones sheez.





i know that already... i asked, cause the calipers on the parts car are ****... the ones on my project car are already brand new/rebuilt... the guy i bought the car from had the brakes done a few months b4 i bought it from him... so if i can save some money by not swapping the calipers, great! if not... that just means my car will be off the street that much longer...

toplessFC3Sman 03-27-2007 03:51 PM

well if you TIG something to the end of the bolt to get it out, thats certainly gonna melt the bushing you're worried about more than heating it with a torch. can you try an ez-out?

silver86 03-27-2007 04:31 PM


Originally Posted by toplessFC3Sman' post='865588' date='Mar 27 2007, 03:51 PM

well if you TIG something to the end of the bolt to get it out, thats certainly gonna melt the bushing you're worried about more than heating it with a torch. can you try an ez-out?





did you look at the pic i posted... there is no bushing in danger...

RONIN FC 03-27-2007 06:55 PM

Did you take the other bolt out of the bracket yet?

silver86 03-28-2007 02:43 AM


Originally Posted by RONIN FC' post='865610' date='Mar 27 2007, 06:55 PM

Did you take the other bolt out of the bracket yet?





yes... the lower bolt was removed successfully.


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