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-   -   soft brake pedal after sport brake upgrade (http://www.the370z.com/brakes-suspension/70472-soft-brake-pedal-after-sport-brake-upgrade.html)

Baer383 04-28-2013 02:31 PM

Quote:

Originally Posted by clintfocus (Post 2290018)
^yeah i know, a little time is about 10-15 mins no? lol

Yeah,give or take 20-30 seconds.:icon17:

clintfocus 04-28-2013 03:45 PM

^ i usually just run two bottles of Motul RBF 600 through it on a gravity bleed, and BS on facebook till its done LOL :P

roy'sz 04-28-2013 04:50 PM

you could have a loose zirc on a caliper too? have you lost any brake fluid since flushing?

L33T Z34 05-03-2013 04:03 AM

Quote:

Originally Posted by clintfocus (Post 2288832)
is the brake master cylinder on Sport pack Z's the same as base model Zs?

The brake master cylinders are the same (D6010-JK02A).
The brake boosters are different:
Base = D7210-1ET1A
Sport/Nismo = D7210-1ET0A

Hoping the OP can solve his problem.

roy'sz 05-03-2013 06:39 AM

Quote:

Originally Posted by L33T Z34 (Post 2298281)
The brake master cylinders are the same (D6010-JK02A).
The brake boosters are different:
Base = D7210-1ET1A
Sport/Nismo = D7210-1ET0A

Hoping the OP can solve his problem.

AND this is your PROBLEM! easy fix but that's the source. Since the booster on the sports z pushes more fluid and your z now isn't, that explains the lack of stopping power. Its the same idea behind electricity when you add multiple lightbulbs on one circuit and they get dimmer.

diddy535 05-03-2013 08:24 AM

Have a lot of people going from base to a BBK actually upgraded their brake booster? I feel like this is the first time it's come up.

JARblue 05-03-2013 08:44 AM

:iagree: very interesting that I haven't seen anything about the different brake boosters in the base and sport with regard to this upgrade...

Ni55anPat 05-03-2013 11:35 PM

Quote:

Originally Posted by roy'sz (Post 2298307)
AND this is your PROBLEM! easy fix but that's the source. Since the booster on the sports z pushes more fluid and your z now isn't, that explains the lack of stopping power. Its the same idea behind electricity when you add multiple lightbulbs on one circuit and they get dimmer.

I'm sure somebody would have mentioned it by now.

Z1 says you need a new oil line for the caliper (hardline).

I'll be getting it fixed in the next week or two. I've searched and people that upgraded never changed the booster.

Has to be a air bubble.

diddy535 05-04-2013 01:40 AM

Quote:

Originally Posted by Ni55anPat (Post 2299911)
I'm sure somebody would have mentioned it by now.

Z1 says you need a new oil line for the caliper (hardline).

I'll be getting it fixed in the next week or two. I've searched and people that upgraded never changed the booster.

Has to be a air bubble.

They talking about the stainless steal lines?

Ni55anPat 05-04-2013 08:16 AM

Ohhhhh lol

diddy535 05-04-2013 09:27 AM

Quote:

Originally Posted by Ni55anPat (Post 2300103)
Ohhhhh lol

Just guessing myself but just from what I've read seems like a popular upgrade.

Ni55anPat 05-04-2013 09:30 AM

Yes there is a metal line suggested from Z1 to upgrade. Which I did.

diddy535 05-04-2013 10:24 AM

Still soft?

Mike 05-04-2013 07:25 PM

this is a silly problem and thing to ask, but its a common mistake on brake swaps. Are the calipers on the wrong side? Its very easy to do and is almost always the case when my powdercoating customers have issues, although on some calipers, its not as obvious as on these. bleed screws on top.

Ni55anPat 05-06-2013 11:13 AM

Bleed screws are on top. Metal like installed. Just did a re-bleed 3 more times and its good to go.

Thanks for the help.


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