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 S14 Rear Dual Caliper Install.GM.

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ARMAZECRETA
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ARMAZECRETA

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PostSubject: S14 Rear Dual Caliper Install.GM.   Wed Jan 15, 2014 2:02 am



Read entire write up. Fallow at your own risk.

After a few years of waiting I finally got to install a Dual brake caliper kit using the George Marstanovic kit.+Cobra rotors +z32 calipers. In the s14

GM Kit.
Cobra R. Rotors.
z32 Rear calipers.

Tools.
36mm socket.
Impact gun.( electric/air) it will make your life better trust me.
Hand wrench and sockets:
14mm
17mm
19mm


Grinder and cutting metal disc.
sharpie.


New calipers from the local Autoparts store.

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This is the GM Dual caliper bracket.

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After upgrading to z32 rear brakes I ran with out an e brake for a while.

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Ok. Start Remove the upper caliper bolt. 14mm

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Then the lower caliper bolt 14mm.

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Then remove the Rotor. If stuck hit it with a mallet.

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Next remove the cotter pin.

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Get the impact gun and remove the axle nut using a 36mm socket.

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hit the nut with a mallet to loosen the axle, we will slide it out later.

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Moving to the lower strut bolt using a 17mm.

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Use something to pry it out. if you don't want to scratch your coils put a rag in between.

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The toe link 19mm.

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The camber link 17mm one side 19mm other side.

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Traction link 19mm

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Now with the knuckle loose and hanging only from the lower ball joint. push in on the axle and pull out on the knuckle and slide it out.

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and its out.

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These 4 bolt hold the hub in place.

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Remove them using the impact gun and 19mm short socket.

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loose them 3/4 of the way to keep the hub from falling.

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Use the 36mm socket and place it over the center and hit it.

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After a few good hits it should pop out.

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Install the all the link back to hold the knuckle while you work on  it.

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Mark your cuts with a sharpie.

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Make sure you wear the necessary PPE. ( gloves, mask. breather filter. goggles. etc..)

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It should look something like this.

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Time to get the first bracket  and 4 bolt and locking washers that were included on the GM kit.

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I used the wheel lug nuts to hold the bracket in place. check if both calipers will clear.

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First Challenge is to shave the knuckle in order for the lower caliper bolt to slide in place.

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I move the bracket lil forward to see how much material to shave off.

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Another issue was that the back of the caliper was hitting the knuckle and preventing it from aligning with the bolts.

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After a few tryouts now everything clears.. I choose to shave the knuckle and not the caliper because shaving the caliper will void
The part warranty.

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Get the bracket and the hub ready.

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insert the new hub bolt and use them as a guides.

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looking nasty.

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good.


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final checks.

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See how the bracket replaces the stock mounting ears.

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Time to bolt everything up and torque to factory specs.  ( That ball joint looks nasty.)
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all set.
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After installing the axle and turning the disc. the bolts from the hub were rubbing against the axle.
2 ways to fix this. align the flat part of the head bolt to the axle. or shave.
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Minor shaving.
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Before installing the Rotor make sure you put the gap ring.

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and there it is everything installed and torqued to factory specs. I notice that the rotor doesn't center perfectly with the caliper.
it shouldn't be a problem.

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Good Clearance.
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Give the disc some turns. and check for rubbing.

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cant wait.

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wheel on.
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Looking good.  
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Now continue with the other side.

Next up will be the Parts shop max hydro e brake bolt on setup. and the Plumbing.  

Hope this helps.

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evo_jfa
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PostSubject: Re: S14 Rear Dual Caliper Install.GM.   Wed Jan 15, 2014 2:44 pm

I wouldn't shave the knuckle, however there was no other way. do you know if there is another kit with better design to avoid shaving too much suspension parts.

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ARMAZECRETA
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ARMAZECRETA

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PostSubject: Re: S14 Rear Dual Caliper Install.GM.   Wed Sep 30, 2015 12:19 am

there is the pbm drop knuckles but cost almos 3 time more.. algo gk tech has the same setup but again its way over my budget..


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