Anyone with 710N valves and not happy with them?
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11-15-2001, 08:15 AM
#8
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They've been in for about 2 months because I thought my Baileys were leaking...
...but Bailey have tested them and say they're not.
I don't know how long the 710Ns would have lasted though. I think the main problem with the standard valves is not performance, but reliability.
I don't know how long the 710Ns would have lasted though. I think the main problem with the standard valves is not performance, but reliability.
11-15-2001, 08:53 AM
#9
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I'm not sure about the warranty.
I agree they are the closest thing to stock, but Audi has only recomended their use on a TT.
I was thinking about putting those in, but wonder if it is better asking my service rep to do it and paying for an hour labor. That way they won't give me crap for messin' with the car.
I was thinking about putting those in, but wonder if it is better asking my service rep to do it and paying for an hour labor. That way they won't give me crap for messin' with the car.
11-15-2001, 08:57 AM
#10
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I think those are Porsche or Saab BPVs.
Bosch makes a bunch of different BPVs at different ratings. The 710N valve is the recomended replacement for blown TT valves. They are rated to 1.6 bar. They are also sold by Audi parts and have an audi P/N.
I think the MTM valve is rated to 2 bar but it does not have an Audi P/N.
To confuse you even more some people say the part that fails in Bosch valve has nothing to do with pressure rating. It is the rubber around the flap that wears out and cracks.
Bailey and Forge valves have a piston that does not wear, but they have in a few rare cases leaked. Either around the seal or the vacuum fitting in Bailey.
I think the MTM valve is rated to 2 bar but it does not have an Audi P/N.
To confuse you even more some people say the part that fails in Bosch valve has nothing to do with pressure rating. It is the rubber around the flap that wears out and cracks.
Bailey and Forge valves have a piston that does not wear, but they have in a few rare cases leaked. Either around the seal or the vacuum fitting in Bailey.