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jcain
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Diverter Valves or a Blow off valve?
jcain replied to waymegelli's topic in 996 TT, 996 TT S, 996 GT2
I replaced the stock DV's with the Forge ones but unfortunately, it did not fix the problem - hesitation post turbo engagement; the car lurches for a minute or so after a full acceleration. Time for a shop visit. So how are they the same? They both perform similar duties in that they prevent damage to the the compressor. The BOV exhausts to atmosphere where as the DV recirculates the charge. Bosch programming is not set-up for BOVs (the car will run rich). What hes saying is they perform the same function. The only different is where they send the excess air. The stock valves do fail a lot but they definitely dont send junk into the turbo. The stock piece is a simple valve with the vacuum diaphragm that tends to crack internally and therefore leak vacuum. There is an updated part that has proved much more robust. -
Diverter Valves or a Blow off valve?
jcain replied to waymegelli's topic in 996 TT, 996 TT S, 996 GT2
Wm, did you ever replace the diverter valves? Seems I need to replace mine. Bought the Forge also. Thanks,