Akebono BBK - Notes
Joined: Jul 2008
Posts: 4,093
Likes: 213
From: Inside my G
Akebono BBK - Notes
There never seems to be enough information available about the "Akebono" a.k.a G37 Sport big brake kit upgrade. Here's a few more notes that may come in handy. A lot of the information was provided by either FSM, or one of the very many helpful people here on the 'Driver and its sister site. So big thanks to them! I'm putting them all here for ease of access.
First off, let's start with the numbers:
When installing the kit, take note of these:
Front torque member: Tighten to 60 ft.lbs.
Rear torque member: Tighten to 28 ft.lbs.
When assembling the calipers/pads/shims:
Front: Piston | Shim | Grease | Pad
Rear: Piston | "No hole" shim | "holed" shim | Grease | Pad
Bleeding:
* Bleeder valve front and rear: Tighten to 80 INCH lbs. (or hand tighten)
* Bleed the inner valve first, then outer
* Go from Right Rear, Front Left, Rear Left then Front Right
* If you are only replacing the caliper one at a time, and are not planning on doing a complete fluid flush, you can bleed each caliper as you go along in no particular order.
Will the stock G35 Spare Wheel fit? No. I got a 25mm v2 spacer and the spare did not fit. I am using a G37s spare which is 18x4.
Will the stock G35 Sport Wheel fit? The wider rear wheel will fit over the rear Akebono caliper without issue. The same wide rear wheel will also fit over the front Akebono calipers with the help of a spacer to clear the spokes. There is no issue with the inner barrel, as shown in the photos below:
As you can see, the barrel is not an issue. I wouldn't mind using the wheel over the Akebono's in a pinch (i.e. spare)
Here's where it's tricky, technically the wheel can turn with *very* minor scraping to the face of the caliper (right below the "e"). I would use at least a 5mm spacer to give it some breathing room. The beauty of a 5mm spacer? You can use the existing studs.
Which pads are currently available for this caliper set? (As of post-date)
* OEM and R-Spec
* Hawk HPS, HP+ and Performance Ceramic
* Carbotech line-up (mostly custom-order)
* EBC Green, High Friction and Red
* Raybestos ATD and PGD line
* Project MU
http://gshack.org/?p=174#more-174
First off, let's start with the numbers:
When installing the kit, take note of these:
Front torque member: Tighten to 60 ft.lbs.
Rear torque member: Tighten to 28 ft.lbs.
When assembling the calipers/pads/shims:
Front: Piston | Shim | Grease | Pad
Rear: Piston | "No hole" shim | "holed" shim | Grease | Pad
Bleeding:
* Bleeder valve front and rear: Tighten to 80 INCH lbs. (or hand tighten)
* Bleed the inner valve first, then outer
* Go from Right Rear, Front Left, Rear Left then Front Right
* If you are only replacing the caliper one at a time, and are not planning on doing a complete fluid flush, you can bleed each caliper as you go along in no particular order.
Will the stock G35 Spare Wheel fit? No. I got a 25mm v2 spacer and the spare did not fit. I am using a G37s spare which is 18x4.
Will the stock G35 Sport Wheel fit? The wider rear wheel will fit over the rear Akebono caliper without issue. The same wide rear wheel will also fit over the front Akebono calipers with the help of a spacer to clear the spokes. There is no issue with the inner barrel, as shown in the photos below:
As you can see, the barrel is not an issue. I wouldn't mind using the wheel over the Akebono's in a pinch (i.e. spare)
Here's where it's tricky, technically the wheel can turn with *very* minor scraping to the face of the caliper (right below the "e"). I would use at least a 5mm spacer to give it some breathing room. The beauty of a 5mm spacer? You can use the existing studs.
Which pads are currently available for this caliper set? (As of post-date)
* OEM and R-Spec
* Hawk HPS, HP+ and Performance Ceramic
* Carbotech line-up (mostly custom-order)
* EBC Green, High Friction and Red
* Raybestos ATD and PGD line
* Project MU
http://gshack.org/?p=174#more-174
Last edited by soundmike; Apr 22, 2010 at 01:03 PM.
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You're Despicable
Joined: May 2008
Posts: 6,167
Likes: 33
From: on a sand dune
Nice write up dude, it'll come in handy in the future when I get mine installed.
I'm just wondering if its ok not to torque it down exactly as you wrote because I'll be getting either the stealers to do it or Mitsubishi dealership
I'm just wondering if its ok not to torque it down exactly as you wrote because I'll be getting either the stealers to do it or Mitsubishi dealership
Joined: Jul 2008
Posts: 4,093
Likes: 213
From: Inside my G
Welcome, glad it helps
As for torque settings, the calipers are aluminum as you know -- i wouldn't torque it down too much or you risk damaging them. Worst-case, just loosen them and tighten them back to spec post-install.
As for torque settings, the calipers are aluminum as you know -- i wouldn't torque it down too much or you risk damaging them. Worst-case, just loosen them and tighten them back to spec post-install.
great info!!! I am thinking about getting the front/rear akebonos for my 06 g35 coupe. I have the oem 19" rays with a 20mm spacer in the front and a 25mm spacer in the rear. will the calipers fit? if i need to step up to a 25mm spacer in front, i can but not sure if i can go any over that. thanks for the help!
