Sklyn

Tested and removed boost Tee, trying to find why my minimum boost has changed and what the whining noise was. Faulty Tee or Wastegate Actuator.. Also went to pick up new brake discs, but they weren't in.. Tomorrow will have to do.

cheers guys. I have never run without a bleed before. Only used the stock solenoid before installing the Tee. It ran as per normal then. i saw a thread somewhere showing the difference between the R32 and R33 actuator, but can't remember which was which.. The nipple for the hose points towards the front of the car, as opposed to straight up. (i think i have the 33 one?) by boost 'signal' hose, are you just referring to the line from the intercooler piping to the wastegate? Or other lines included? If only the 1 then i checked for splits when removed and found nothing and have replaced with a new line without the Tee at the moment. So, is there a simple way to test if the actuator is on its way out? Do they simply bolt off the turbo or is it a bit more difficult to replace? Anyone in Adelaide have a pressure tester (and whatever tools needed) to give me a hand to search for leaks? =) Can offer beers, dinner or cash =)

attack

ok, so they say the noise is normal, but it only just started.. is a bleed valve meant to whistle? and they say my wastegate actuator is the problem. See quote below and what are your thought please? " After speaking with our engineers it sounds like you could have either a problem with your wastegate actuator, or a boost leak coming from elsewhere. Minimum boost that you can run is set by your wastegate actuator and even with a boost tee you can not drop below this level. So if you were running at 6psi a month ago with the tee connected, and now without the tee connected you are running at 9psi it indicates that your minimum boost level has increased. There shouldn't be an issue with the tee itself, however you should get the actuator for your wastegate tested and possibly replaced. We can make up a new actuator to suit your application if you want to go down that road, or you could possibly source a second hand part, or genuine from nissan. Also, with the whistling noise you are hearing with the tee connected this is normal as it needs to bleed air out to the atmosphere, and this can invariably create the noise you are describing. Either that or the noise is coming from a vacuum leak elsewhere in your intake system, which would help explain you boost level problem." What is the standard psi for a R33 Gtst series 2 wastegate actuator? I know with the solenoid it is 5 below 4500rpm and 8 above. But what is it without the solenoid? And is there a problem with running with no controller at all? just straight to the wastegate.

midnight

I'm just looking forward to actually meeting a couple of people from here as I recently moved to Adelaide =) What sort of streeter are you looking for?

Earlier

Thanks GTSBoy. I tested the Tee at 2 clicks up, it went to 11psi. I then tried at 12 clicks and it went to 12psi. I then removed the Tee and ran a line straight through, and got 9psi. The issue is the whining noise which disappeared when i removed the Tee, and also only a month ago I had the Tee set and boost was at 6psi as desired. I previously had a different brand Tee and never had this issue and boost comfortably sat anywhere above 5psi. Its a Turbosmart BC so i wouldn't call it cheap and nasty =) cost me $100 as i bought it direct from them instead of ebay. I have asked them and this is the reply I got: "Remove the boost tee and just run a line to the actuator to see what minimum boost is. Then, with the boost tee installed and just a couple of clicks from completely down, it should a couple more PSI. The dial should also never be wound down in the maximum down position, it should always be a couple of clicks out." I have now replied as at the top of this post. Is he correct in saying that the minimum i should be able to set is 11psi?? and that whining has me wondering.......

Horseman

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Wooshy

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Peruvian

Hi guys, probably/hopefully after a simple answer.. Is there a way to test if a Manual boost Tee is faulty? I don't have a replacement one, can only replace with stock parts/solenoid. I ask because my R33 Gtst has started to make a soft whining kind of noise when under boost. It also now will not set under 10psi. The turbosmart Tee when wound down used to be about 5psi, now its at least 10. I don't want to wind it up incase of damaging the turbo getting too much boost. Apart from this everything seems to be fine. Car only has exhaust, fmic, pod and Tee piece mods. Thanks

Mexican

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