bench bleeding
03-27-2006, 07:58 PM
#1
2nd Gear Member
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Join Date: Sep 2005
Posts: 175
bench bleeding
is there any advantage to bench bleeding the master cylinder if i just replaced all my breaklines, fittings and master cylinder. im thinking everyhings gotta be filled so it wouldnt matter if i did it or not
03-27-2006, 10:03 PM
#3
5th Gear Member
Join Date: May 2005
Location:
Posts: 2,445
RE: bench bleeding
If you are doing it the old fashioned way, with two people, then yes, bench bleed the master. It will save up to 10 minutes worth of bleeding.
If you use a pressure bleeder or Russell "Speed Bleeders", there is no advantage. In fact it is a disadvantage as it is messy. What they don't tell you is that while you are bleeding the master cylinder it will "squirt" fluid straight up, so be careful and wear goggles.
I'm becoming a real big fan of the "Speed Bleeders". I went from a completely dry new system (4 wheel Cobra disc brake), to fully bled in about 15 minutes start to finish. That included cutting 4 pieces of hose, and running them into 4 empty bottles. I simply opened the speed bleeders half a turn each, filled the reservior, and pumped for about 2 minutes while intermittently re-filling the reservior. Ended up with about 6 ounces total, of waste brake fluid that went into the 4 bottles.
Closed the bleeders and checked the pedal. Nice high and firm! (Isn't that the American Way!
)
Good luck,
Scott
If you use a pressure bleeder or Russell "Speed Bleeders", there is no advantage. In fact it is a disadvantage as it is messy. What they don't tell you is that while you are bleeding the master cylinder it will "squirt" fluid straight up, so be careful and wear goggles.
I'm becoming a real big fan of the "Speed Bleeders". I went from a completely dry new system (4 wheel Cobra disc brake), to fully bled in about 15 minutes start to finish. That included cutting 4 pieces of hose, and running them into 4 empty bottles. I simply opened the speed bleeders half a turn each, filled the reservior, and pumped for about 2 minutes while intermittently re-filling the reservior. Ended up with about 6 ounces total, of waste brake fluid that went into the 4 bottles.
Closed the bleeders and checked the pedal. Nice high and firm! (Isn't that the American Way!
)Good luck,
Scott
03-27-2006, 10:05 PM
#4
4th Gear Member
Join Date: Aug 2005
Location:
Posts: 1,841
RE: bench bleeding
Thanks for that bit of info. I am gonna be bleeding tomorrow damnit!(good thing)
ORIGINAL: Scott H.
If you are doing it the old fashioned way, with two people, then yes, bench bleed the master. It will save up to 10 minutes worth of bleeding.
If you use a pressure bleeder or Russell "Speed Bleeders", there is no advantage. In fact it is a disadvantage as it is messy. What they don't tell you is that while you are bleeding the master cylinder it will "squirt" fluid straight up, so be careful and wear goggles.
I'm becoming a real big fan of the "Speed Bleeders". I went from a completely dry new system (4 wheel Cobra disc brake), to fully bled in about 15 minutes start to finish. That included cutting 4 pieces of hose, and running them into 4 empty bottles. I simply opened the speed bleeders half a turn each, filled the reservior, and pumped for about 2 minutes while intermittently re-filling the reservior. Ended up with about 6 ounces total, of waste brake fluid that went into the 4 bottles.
Closed the bleeders and checked the pedal. Nice high and firm! (Isn't that the American Way!)
Good luck,
Scott
If you are doing it the old fashioned way, with two people, then yes, bench bleed the master. It will save up to 10 minutes worth of bleeding.
If you use a pressure bleeder or Russell "Speed Bleeders", there is no advantage. In fact it is a disadvantage as it is messy. What they don't tell you is that while you are bleeding the master cylinder it will "squirt" fluid straight up, so be careful and wear goggles.
I'm becoming a real big fan of the "Speed Bleeders". I went from a completely dry new system (4 wheel Cobra disc brake), to fully bled in about 15 minutes start to finish. That included cutting 4 pieces of hose, and running them into 4 empty bottles. I simply opened the speed bleeders half a turn each, filled the reservior, and pumped for about 2 minutes while intermittently re-filling the reservior. Ended up with about 6 ounces total, of waste brake fluid that went into the 4 bottles.
Closed the bleeders and checked the pedal. Nice high and firm! (Isn't that the American Way!
)Good luck,
Scott
03-27-2006, 10:20 PM
#6
5th Gear Member
Join Date: May 2005
Location:
Posts: 2,445
RE: bench bleeding
Go to www.summitracing.com and put "Russell Speed Bleeders" in the search tag.
There are a bunch of different sizes so you either need to know your thread sizing, or know what the cylinders are for. It was easy for me, I just ordered up the set for an '04 Cobra.
Also NPD has them available, and on the page shows three different ones for vintage Mustangs in full size to compare.
Good luck guys,
Scott
There are a bunch of different sizes so you either need to know your thread sizing, or know what the cylinders are for. It was easy for me, I just ordered up the set for an '04 Cobra.
Also NPD has them available, and on the page shows three different ones for vintage Mustangs in full size to compare.
Good luck guys,
Scott
03-27-2006, 11:18 PM
#7
I ♥ Acer
Join Date: Oct 2004
Location:
Posts: 17,565
RE: bench bleeding
ORIGINAL: Scott H.
Go to www.summitracing.com and put "Russell Speed Bleeders" in the search tag.
There are a bunch of different sizes so you either need to know your thread sizing, or know what the cylinders are for. It was easy for me, I just ordered up the set for an '04 Cobra.
Also NPD has them available, and on the page shows three different ones for vintage Mustangs in full size to compare.
Good luck guys,
Scott
Go to www.summitracing.com and put "Russell Speed Bleeders" in the search tag.
There are a bunch of different sizes so you either need to know your thread sizing, or know what the cylinders are for. It was easy for me, I just ordered up the set for an '04 Cobra.
Also NPD has them available, and on the page shows three different ones for vintage Mustangs in full size to compare.
Good luck guys,
Scott
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