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G37S Brake Bleeding

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Old Jun 18, 2024 | 01:08 PM
  #1  
AMP_01's Avatar
AMP_01
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G37S Brake Bleeding

Hello all,

I replaced the pads and rotors on my sport calipers and then bled them starting at passenger rear, driver front, driver rear, and then passenger front. I did inside bleeder first then outside on each caliper. No air bubbles and used a motive power bleeder to 15 psi and bled again two days after as well. Car off, the pedal feels firm. But when driving, the first inch or two feels very low resistance. If I pump the beginning of the pedal a few times it will get firm and then go back down. First bleed was done with the negative terminal disconnected but I did not wait a certain amount of time before bleeding. Second bleed the battery was fully connected. Is it possible I got air in the ABS lines? No bubbles come out when bleeding the calipers. Any advice on how to get the best bleed on these Akebono brakes? Using Prestone DOT 3 brake fluid.

EDIT: My front driver side caliper has one of the four bolts (the bottom one) that holds the two halves together missing. Any idea where to get one or what size/thread pitch/specs the bolt is?

Last edited by AMP_01; Jun 18, 2024 at 05:10 PM.
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Old Jul 16, 2024 | 12:54 PM
  #2  
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Mojo_Dp
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Joined: Jan 2019
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From: Canada, On
Had the same thing happen once i swapped my base fronts for akebonos. The first day the brakes were insanely touchy after a day it basically feels like yours, re beld a few times but it feels the same. My calipers were reman so im not missing any bolts
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