Non-Motive Vacuum Brake Bleed

fairladyATX · 03-21-2023, 01:31 PM

Seems by far the most popular option in this forum is to bleed with a Motive bleeder.

I've been using a Capri Vacuum Bleeder-- seems to be working well, but wanted to see if there was any specific reason why people choose Motive over a standard bleeder?

Lastly -- I bled the brakes with a new bottle of Castrol SRF. But afterward, I realized there was a pinprick in the bottom of the bottle, and was leaking.

So I assume it's been like this for months, and moisture has gotten into the fluid. I should re-bleed the entire system, right?

ZoomZ · 03-21-2023, 01:34 PM

No need for an AIR source for the Motive bleeder.

You can take to track or people who dont have a compressor. (less crap to deal with)

As long as there is fluid in bottle, it will keep reservoir filled vs having to continual watch and add on a vacuum system. Yes, you can potentially run the motive down, but very low pressure and highly unlikely, since you still have the car reservoir filled.

g96818 · 03-22-2023, 04:21 AM

runwhatyabrng · 03-22-2023, 02:24 PM

the vacuum kit I use also included a bottle to keep master reservoir filled. I have a compressor so no big issue and never need to look for proper cap

fairladyATX · 03-22-2023, 02:56 PM

Ah, that makes sense. Didn't make the connection that it doesn't require an air compressor.

03-21-2023, 01:31 PM	#1 (permalink)
fairladyATX Base Member Join Date: May 2021 Location: Austin, TX Posts: 123 Drives: 14 370z Sport M6 Rep Power: 4	Non-Motive Vacuum Brake Bleed Seems by far the most popular option in this forum is to bleed with a Motive bleeder. I've been using a Capri Vacuum Bleeder-- seems to be working well, but wanted to see if there was any specific reason why people choose Motive over a standard bleeder? Lastly -- I bled the brakes with a new bottle of Castrol SRF. But afterward, I realized there was a pinprick in the bottom of the bottle, and was leaking. So I assume it's been like this for months, and moisture has gotten into the fluid. I should re-bleed the entire system, right? ZoomZ likes this. __________________ "Casual" track car...NASA TX.

03-21-2023, 01:34 PM	#2 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 761 Drives: 17' 370Z Nismo Rep Power: 40617	No need for an AIR source for the Motive bleeder. You can take to track or people who dont have a compressor. (less crap to deal with) As long as there is fluid in bottle, it will keep reservoir filled vs having to continual watch and add on a vacuum system. Yes, you can potentially run the motive down, but very low pressure and highly unlikely, since you still have the car reservoir filled. g96818 and ZontheRocks like this. Last edited by ZoomZ; 03-21-2023 at 01:38 PM.

03-22-2023, 04:21 AM	#3 (permalink)
g96818 Track Member Join Date: May 2009 Location: A rock in a big pond Posts: 681 Drives: 2009 370Z, 2012 M56 Rep Power: 3394	__________________ CZP are lying thieves!

03-22-2023, 02:56 PM	#5 (permalink)
fairladyATX Base Member Join Date: May 2021 Location: Austin, TX Posts: 123 Drives: 14 370z Sport M6 Rep Power: 4	Ah, that makes sense. Didn't make the connection that it doesn't require an air compressor. __________________ "Casual" track car...NASA TX.

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