Surging/Possible Air Leak
09-24-2006, 11:40 AM
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Surging/Possible Air Leak
-01.5/ 1.8TQM/ GIAC(flashed)
-After a couple of months with the GIAC software, I had my windows down one day and could hear the turbo whine followed by an immediate "ssshhhh" sound until I changed gears. Assuming the DV needed to be replaced anyways, I order the TT 710N and installed it this weekend. Well, I still hear the "ssshhhh" sound. Also, I had very minimal surging with the stock dv, but it seems worse with the 710N. However, surging only seems to occur when it's much warmer outside. Unlike today(much cooler), there was no surging and the car seemed fine but the sound is still there.
-So is any of this normal? I do probably need to replace my vac lines, but for the most part they still look fine(53K miles on the car).
-I have read up some on the n75 valve, but not sure as if that's causing the problem.
-Thanks for any help...
RLB
-After a couple of months with the GIAC software, I had my windows down one day and could hear the turbo whine followed by an immediate "ssshhhh" sound until I changed gears. Assuming the DV needed to be replaced anyways, I order the TT 710N and installed it this weekend. Well, I still hear the "ssshhhh" sound. Also, I had very minimal surging with the stock dv, but it seems worse with the 710N. However, surging only seems to occur when it's much warmer outside. Unlike today(much cooler), there was no surging and the car seemed fine but the sound is still there.
-So is any of this normal? I do probably need to replace my vac lines, but for the most part they still look fine(53K miles on the car).
-I have read up some on the n75 valve, but not sure as if that's causing the problem.
-Thanks for any help...
RLB
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