Speed Bleeder Question???
Thread Starter
Melting Slicks
Joined: Mar 2006
Posts: 2,248
Likes: 67
From: Warrington PA
Finalist 2020 C4 of the Year - Unmodified
Speed Bleeder Question???
Took a few days off to really get the 82 back on the road replacing the TA's. Going to replace the bleeders with speed bleeders as I will be doing a gravity bleed on the rear. Should I put a little anti sieze on the threads or not???
Drifting
Joined: Apr 2008
Posts: 1,305
Likes: 2
From: Lewisburg WV
thegazman
Speed bleeders come with anti seize already on the threads. However, speed bleeders will not work with the gravity bleed procedure. The check ball is strong enough to stop the fluid from flowing out of the valve when open. I know from experience. If you are going to install speed bleeders you can bleed the brakes by very slowly pumping the brake pedal.
Thread Starter
Melting Slicks
Joined: Mar 2006
Posts: 2,248
Likes: 67
From: Warrington PA
Finalist 2020 C4 of the Year - Unmodified
Speed bleeders come with anti seize already on the threads. However, speed bleeders will not work with the gravity bleed procedure. The check ball is strong enough to stop the fluid from flowing out of the valve when open. I know from experience. If you are going to install speed bleeders you can bleed the brakes by very slowly pumping the brake pedal.
Of course just want to make sure I get all of the air out of the system.
Again, thanks for any tips, appreciated........Tom
Safety Car
Joined: Nov 2008
Posts: 4,368
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From: Colorado
You have to pump the pedal with speed bleeders and it's easier with two people so you can watch what's going on. I like them but there are times I think of changing back, like for a gravity bleed.
Le Mans Master
Joined: Aug 2006
Posts: 7,417
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From: mount holly NC
2025 c3 ('74-'82) of the Year Finalist - Unmodified
2019 C3 of Year Finalist (appearance mods)
The idea behind a speed bleeder is that as you push the brake pedal down it will let air and fluid out and when you let the pedal up the check valve in the speed bleeder closes so no air gets pulled back in.
If you have a second person you don't need speed bleeders, just put a short length of clear hose on the original bleeder, put the other end of the hose in a plastic bottle and submerge that end of the hose in an inch of new fluid.
As you bleed you can watch the old fluid and air come out and with the hose 'looped' at the top there is no chance of the air getting back in.
If you have a second person you don't need speed bleeders, just put a short length of clear hose on the original bleeder, put the other end of the hose in a plastic bottle and submerge that end of the hose in an inch of new fluid.
As you bleed you can watch the old fluid and air come out and with the hose 'looped' at the top there is no chance of the air getting back in.
Le Mans Master
Joined: Apr 2011
Posts: 6,284
Likes: 1,170
From: Hermosa
The purpose of the speed bleeders is to eliminate the need for a second person.
If you have two people you are better off with standard bleeders. Loosen bleeder screw, brake pedal down, tighten bleeder screw,release brake pedal, repeat until air gone and clean fluid flows out.
The speed bleeders depend on the sealing compound on the threads to seal them while they are loose to prevent air from being drawn back in.
It works mostly, but after loosening and tightening a few times you have to re-apply the sealer and if you don't get enough on or clean the threads up good enough before re-applying then it sucks air back in around the threads when you release the pedal.
If you have two people you are better off with standard bleeders. Loosen bleeder screw, brake pedal down, tighten bleeder screw,release brake pedal, repeat until air gone and clean fluid flows out.
The speed bleeders depend on the sealing compound on the threads to seal them while they are loose to prevent air from being drawn back in.
It works mostly, but after loosening and tightening a few times you have to re-apply the sealer and if you don't get enough on or clean the threads up good enough before re-applying then it sucks air back in around the threads when you release the pedal.
Thread Starter
Melting Slicks
Joined: Mar 2006
Posts: 2,248
Likes: 67
From: Warrington PA
Finalist 2020 C4 of the Year - Unmodified
Thanks everyone 
, will probably not install them and just do the gravity bleed when I finish.
If you get a chance checkout my most recent thread, as I think I have a major issue with the RR suspension.......thanks....Tom
, will probably not install them and just do the gravity bleed when I finish. If you get a chance checkout my most recent thread, as I think I have a major issue with the RR suspension.......thanks....Tom
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