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Master Cylinder Help

Kongsodoken

Kongsodoken

Active member
I'm looking to buy a new master cylinder but all the ones for sale seem to have 3 outlets

mine being a ABS car only need 2,

Do I just block the extra outlet up?

this has the correct part number but still 3 outlets

http://www.amazon.co.uk/ATE-03-2023-0542-3-Master-Cylinder-brakes/dp/B00404XNOM

[:-]
 
Looking at PET, it looks like the third hole (Rear left) has a bleed nipple fitted. They call it a "ventilation valve" but they also call the bleed nipples on the 4-pot calipers that, and they have the same part number.

Update: I just looked on my car, and indeed it only has 2 holes. The casting is shaped for the third hole, but not drilled. I guess some of the original equipment ones saved money by not drilling the un-needed extra hole, but the replacement market ones have all 3 drilled and you just block the one you don't need.
 

ORIGINAL: sr.944man

Looking at PET, it looks like the third hole (Rear left) has a bleed nipple fitted. They call it a "ventilation valve" but they also call the bleed nipples on the 4-pot calipers that, and they have the same part number.

Update: I just looked on my car, and indeed it only has 2 holes. The casting is shaped for the third hole, but not drilled. I guess some of the original equipment ones saved money by not drilling the un-needed extra hole, but the replacement market ones have all 3 drilled and you just block the one you don't need.
Click to expand...

Thanks I'll give it ago,

i think i will order the venttilation valuve to block it off so it looks right
 
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