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Urgent: Akebono reassembly, torque spec?

So my powdercoating company unassembled my Akebono sport brakes before he powdercoated them. He did not put them back together after. I now have it at my body shop, the

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Old 08-31-2017, 07:28 PM   #1 (permalink)
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Default Urgent: Akebono reassembly, torque spec?

So my powdercoating company unassembled my Akebono sport brakes before he powdercoated them. He did not put them back together after.

I now have it at my body shop, the rebuild is completed but he is unsure what the torque spec is needed to tighten the bolts and put the calipers back together.

Does anyone have experience with this? I have googled and didn't find any results.
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Old 08-31-2017, 07:58 PM   #2 (permalink)
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What is the size of the bolt diameters?
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Old 08-31-2017, 08:20 PM   #3 (permalink)
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Nissan 370Z Factory Service Manuals

Every torque spec you will ever need!!!!
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Old 08-31-2017, 08:25 PM   #4 (permalink)
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Its in the BR pdf file... since you're in a hurry =)
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Old 08-31-2017, 11:40 PM   #5 (permalink)
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Thanks for the link, I don't believe I have what I am looking for (the bolts that hold the 2 caliper halves together)

but from a youtube video comment and this link:

DIY: Sport Brake Caliper Rebuild

https://www.youtube.com/watch?v=artb4VxLaig

I believe the answer for the front 4 piston caliper 17mm bolt is around 80lb.

I have no idea on the ones for the rear caliper (I believe the bolts are 14mm?)
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Old 08-31-2017, 11:54 PM   #6 (permalink)
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I'm looking at page BR-46 for the '13 FSM and it shows 91 ft-lb of torque for what appears to be the two bolts holding the 4 piston caliper together.

Here's a portion of the page:


There is a legend for the symbols and numbers in the GI (General Information) pdf. Table of contents is in the fwd.pdf.

If you aren't familiar with it, it can be a little difficult to navigate.. But after you figure out how to find what you're looking for it's unbelievably useful.
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File Type: jpg br46.jpg (51.3 KB, 232 views)
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Old 08-31-2017, 11:56 PM   #7 (permalink)
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Quote:
Originally Posted by Jayhovah View Post
I'm looking at page BR-46 for the '13 FSM and it shows 91 ft-lb of torque for what appears to be the two bolts holding the 4 piston caliper together.

Here's a portion of the page:


There is a legend for the symbols and numbers in the GI (General Information) pdf. Table of contents is in the fwd.pdf.

If you aren't familiar with it, it can be a little difficult to navigate.. But after you figure out how to find what you're looking for it's unbelievably useful.
I did see that pic. Those specs are for bolting the caliper up to the car, not the actual bolts that keep the 2 halves together. If you look closely you can see the 4 bolts in that diagram as well.

Nonetheless I appreciated your help
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Old 08-31-2017, 11:57 PM   #8 (permalink)
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Quote:
Originally Posted by Amuse370z View Post
I did see that pic. Those specs are for bolting the caliper up to the car, not the actual bolts that keep the 2 halves together. If you look closely you can see the 4 bolts in that diagram as well.

Nonetheless I appreciated your help
Sure thing =) It's in there somewhere, just have to find it!
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Old 09-01-2017, 12:16 AM   #9 (permalink)
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Quote:
Originally Posted by Jayhovah View Post
Sure thing =) It's in there somewhere, just have to find it!
Nope its actually not in there, I've been looking for the past half an hour. Its not anywhere else on the net either.
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Old 09-01-2017, 12:18 AM   #10 (permalink)
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Quote:
Originally Posted by Amuse370z View Post
Nope its actually not in there, I've been looking for the past half an hour. Its not anywhere else on the net either.
Dang struck out. First time for everything. Good luck!!

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Old 01-16-2021, 01:13 PM   #11 (permalink)
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Quote:
Originally Posted by Amuse370z View Post
Nope its actually not in there, I've been looking for the past half an hour. Its not anywhere else on the net either.
Ever find it?
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Old 01-16-2021, 02:43 PM   #12 (permalink)
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Quote:
Originally Posted by rspray2000 View Post
Ever find it?
The torque specs for the bolts holding the caliper halves together is not in the manual.
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Old 01-16-2021, 03:29 PM   #13 (permalink)
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Quote:
Originally Posted by Rusty View Post
The torque specs for the bolts holding the caliper halves together is not in the manual.
Thanks Rusty. I saw some other posts about just using the bolt size/specs to look it up, which puts it ~91 ftlbs. So...say in changing my rotors I accidentally loosened the caliper half bolts and saw some brake fluid leak slowly. I didn’t have the fluid cap off and tightened it up within a minute or so, and didn’t see any more leaks. This was all before I used the caliper piston press tool, etc. Should I be OK?
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Old 01-16-2021, 04:22 PM   #14 (permalink)
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Quote:
Originally Posted by rspray2000 View Post
Thanks Rusty. I saw some other posts about just using the bolt size/specs to look it up, which puts it ~91 ftlbs. So...say in changing my rotors I accidentally loosened the caliper half bolts and saw some brake fluid leak slowly. I didn’t have the fluid cap off and tightened it up within a minute or so, and didn’t see any more leaks. This was all before I used the caliper piston press tool, etc. Should I be OK?
You should be ok. I can't find my notes on the torque specs right now. The torque spec is lower than 91 lbs I believe. To find the torque spec. You have to use the bolt body diameter, not the head size.
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Old 01-17-2021, 12:19 AM   #15 (permalink)
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The mounting bolt for the front caliper is in the 90+ range.

Best to check the bolt size and refer to a torque chart for the bolt holding the caliper halves together. The FSM does specify the base brake caliper bolts to be 20 and 32 ft-lbs for the front and rear calipers, respectively. No reference to the sport package calipers.
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