Tiny bubbles; should I be concerned?
Thread Starter
Joined: Mar 2006
Posts: 13,632
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From: Fresno, CA
Tiny bubbles; should I be concerned?
What up guys? I'll get right to it:
This is the only caliper that does this. I'm assuming it's just air getting sucked around the tubing or the bleeder. None of the other calipers do this. Should I be concerned?
calipers were mostly dry when I put them on and this side brake line lost a little bit more fluid than the other.
https://youtu.be/n4KnMMtxR4Y
This is the only caliper that does this. I'm assuming it's just air getting sucked around the tubing or the bleeder. None of the other calipers do this. Should I be concerned?
calipers were mostly dry when I put them on and this side brake line lost a little bit more fluid than the other.
https://youtu.be/n4KnMMtxR4Y
Looks like air coming around the bleeder. What method do you use to bleed?
BTW, I loathe bleeding brakes. Just swapped out my calipers on my Golf R and it took 3 full bleeds to get all the air out
BTW, I loathe bleeding brakes. Just swapped out my calipers on my Golf R and it took 3 full bleeds to get all the air out
I use the motive bleeder - pump it to 15psi and do at least 3 wheels before having to add fluid usually. But when I don't have a good seal on the hose it tends to suck eraser sized bubbles. I'll normally get those tiny *** bubbles on the first crack after a weekend, bleed for a bit and close. I don't really check for open/close/open/close. If you're good on fresh fluid making it's way there then I'd replace the screw, they're cheap enough.
Thread Starter
Joined: Mar 2006
Posts: 13,632
Likes: 824
From: Fresno, CA
All new fluid and front calipers. I use a motive bleeder at 8psi because anything near/over 10psi starts splitting the old hoses. I had my engine bay sprayed, fixed it, then filled up my camber plate/strut tower area with about 8oz of fluid, which ran down onto the shock.....the upright....etc, when it burst again.
it was so fun.
I did notice the bleeders on the caliper sit a bit more loose than the others, while open. I'm 99% sure that was it.
I take my stuff to the track anyway, so fingers crossed!
Lastly, looks like the X calipers already have SS pistons, so no need to upgrade?
it was so fun.
I did notice the bleeders on the caliper sit a bit more loose than the others, while open. I'm 99% sure that was it.
I take my stuff to the track anyway, so fingers crossed!
Lastly, looks like the X calipers already have SS pistons, so no need to upgrade?
Thread Starter
Joined: Mar 2006
Posts: 13,632
Likes: 824
From: Fresno, CA
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Thread Starter
Joined: Mar 2006
Posts: 13,632
Likes: 824
From: Fresno, CA
All new fluid and front calipers. I use a motive bleeder at 8psi because anything near/over 10psi starts splitting the old hoses. I had my engine bay sprayed, fixed it, then filled up my camber plate/strut tower area with about 8oz of fluid, which ran down onto the shock.....the upright....etc, when it burst again.
it was so fun.
it was so fun.
How you can get any good bleeding from 8psi, I have no idea.
Thread Starter
Joined: Mar 2006
Posts: 13,632
Likes: 824
From: Fresno, CA
You just fill up the master, open up a bleeder and gravity moves fluid from the higher reservoir out through the lower open bleeder. They say it's about 10 minutes per nipple.
ah that's how i "bleed" a new caliper i install anyway. once it starts coming out i put the motiv on though
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