Help: Brake Bleed Sequence
Thread Starter
Racer
Joined: Nov 2007
Posts: 327
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Help: Brake Bleed Sequence
Looked at the brake fluid and after 22K it is black. I plan on siphoning the reservoir with a turkey baster. Then refilling, bleeding each wheel position until I get clear fluid. If someone could tell me the correct sequence it would be appreciated.
Advanced
Joined: Nov 2008
Posts: 95
Likes: 0
From: Somewhere in Ohio
Start at the wheel furthest from the master cylinder, then you should end up last with the drivers front tire.
You should also use a power bleeder, some are air powered, and even hand pump up units.
Don't pedal pump to bleed the brakes.
You should also use a power bleeder, some are air powered, and even hand pump up units.
Don't pedal pump to bleed the brakes.
Race Director
Joined: Jan 2005
Posts: 10,924
Likes: 854
From: Daytona Beach FL
The brakes are divided into 2 circuits for safety - the LR/RF, and RR/LF. And that's the way the service manual says to bleed them.
However, if you aren't going to use a Tech 2 to open the ABS valves and circulate fluid through that circuit, then I think the standard technique like C4 Racer mentions will work fine.
That's what I do - RR, LR, RF, LF, and if works great.
I have a motive power bleeder and it makes it a very easy one-man job.
Bob
However, if you aren't going to use a Tech 2 to open the ABS valves and circulate fluid through that circuit, then I think the standard technique like C4 Racer mentions will work fine.
That's what I do - RR, LR, RF, LF, and if works great.
I have a motive power bleeder and it makes it a very easy one-man job.
Bob
Last edited by BEZ06; Jan 4, 2009 at 12:36 PM. Reason: too many rears!!
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Joined: Jun 2001
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From: Jacksonville Florida BWO Dayton, Cincinnati, Bloomsbury NJ, Cincinnati
2015 C7 of the Year Finalist
The brakes are divided into 2 circuits for safety - the LR/RF, and RR/LR. And that's the way the service manual says to bleed them.
However, if you aren't going to use a Tech 2 to open the ABS valves and circulate fluid through that circuit, then I think the standard technique like C4 Racer mentions will work fine.
That's what I do - RR, LR, RF, LF, and if works great.
I have a motive power bleeder and it makes it a very easy one-man job.
Bob
However, if you aren't going to use a Tech 2 to open the ABS valves and circulate fluid through that circuit, then I think the standard technique like C4 Racer mentions will work fine.
That's what I do - RR, LR, RF, LF, and if works great.
I have a motive power bleeder and it makes it a very easy one-man job.
Bob
Yo Bob! Too many rears in your car!
CF Senior Member
Joined: Feb 2006
Posts: 23,313
Likes: 25
From: Tucson Arizona
You've gotten some good advice. Here's a couple links that may help...
http://www.zeckhausen.com/bleeding_brakes.htm
http://forums.corvetteforum.com/show...=buy+Motul+600
http://www.zeckhausen.com/bleeding_brakes.htm
http://forums.corvetteforum.com/show...=buy+Motul+600
Tech Contributor
Joined: Jul 2002
Posts: 14,950
Likes: 266
From: St. Louis, MO
St. Jude Donor '08
I'm a big fan of my speed bleeders, easier than my vacuum one-man bleeder.
I go both rears and then both fronts (as I jack up the rear then front on the cradles) to put in new fluid before track events, never using a tech II, and it works great. You end up getting new fluid in the calipers no matter where you start in my experience.
I think the order of bleeding matters mostly if you get air in the system. Don't do that. Keep an eye on your master fluid level.
I go both rears and then both fronts (as I jack up the rear then front on the cradles) to put in new fluid before track events, never using a tech II, and it works great. You end up getting new fluid in the calipers no matter where you start in my experience.
I think the order of bleeding matters mostly if you get air in the system. Don't do that. Keep an eye on your master fluid level.
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Tech Contributor
Joined: Jul 2002
Posts: 14,950
Likes: 266
From: St. Louis, MO
St. Jude Donor '08
Install them, crack them open one at a time, run a clear hose to a bottle or can, use your foot to bleed until it's clear coming out for each wheel. Super easy.
Just be sure to keep your eye on your master. Don't run it dry or you'll get air in the system which is a pain.
Le Mans Master
Joined: Sep 2003
Posts: 8,847
Likes: 795
From: Longview Texas
The thing I do not like about pressure bleeders is that you have to pressurize the master cylinder reservoir, and if you get a leak, you can have brake fluid everywhere.
I would just use the old manual method, and bleed the wheels one at a time by having an assistant push the brake pedal down while you open and close the bleeder valves.
The bleeding sequence is RR=>LF=>LR=>RF
I would just use the old manual method, and bleed the wheels one at a time by having an assistant push the brake pedal down while you open and close the bleeder valves.
The bleeding sequence is RR=>LF=>LR=>RF
