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> Anyone running 4 pots? I hope I don't, have issues...
rick 918-S
post Mar 21 2004, 01:05 AM
Post #1


Hey nice rack! -Celette
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I installed 4 pistons front calipers and a 19mm master cylinder this weekend. Also removed the "P" valve for the rear calipers and installed a "T" fitting. So the lines were pretty much empty. I added ATE Super Blue fluid and bled the system until I used a quart of fluid. After a day of hunting I managed to locate a friend that had a new quart on the shelf. We continued to bleed the system and added another half quart.

Here's the my issue... After bleeding the system for several hours I still have a low peddle. After the second pump of the peddle the hieght seems good. ( goes from 2/3 sweep to about almost 1/2)

Do you think I need to continue to bleed the system or are the 4 piston calipers requiring the extra motion just to fill?

Anyone running 4 piston calipers with a 19mm master cylinder?

If so how much peddle travel do you have?
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Posts in this topic
rick 918-S   Anyone running 4 pots? I hope I don't   Mar 21 2004, 01:05 AM
94teener   Run it as is for a day or so, then re-bleed. Alway...   Mar 21 2004, 01:41 AM
JOHNMAN   You are going to need to move much more fluid now ...   Mar 21 2004, 02:32 AM
Jeroen   Which 4pots are you running? Front & rear, or just...   Mar 21 2004, 05:55 AM
seanery   Yeah, what are you running in the rear? Yes, you ...   Mar 21 2004, 08:09 AM
rick 918-S   Thanks all, I installed BMW 1974 2002 4 piston cal...   Mar 21 2004, 09:00 AM
John2kx   Rich, I don't have 4 piston calipers but woul...   Mar 21 2004, 09:30 AM
!   Tapping with a rubber mallet also frees up bubbles...   Mar 21 2004, 10:17 AM
davep   Are you using both bleed nipples on the caliper? W...   Mar 21 2004, 10:22 AM
Mountain914   I've got 4 pots on 4 corners each. But.... we...   Mar 21 2004, 10:34 AM
Brett W   Guys those are not BMW calipers they look like Gir...   Mar 21 2004, 10:56 PM
3d914   Rich, If the nipples are anything like those on t...   Mar 21 2004, 11:17 PM
banderson   Venting Clearance, Venting Clearance. Did you che...   Mar 22 2004, 07:51 AM
rick 918-S   <...   Mar 22 2004, 07:59 AM
rick 918-S  

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