SWAT81

iTrader: (14)

ok now, I know I do have a boost leak so I'm only pushing about 8 lbs of boost but my vacuum is stable 15~19 (its not erratic just reads different depending on driving conditions), when I'm in 2nd gear and I accelerate fast to let the turbo spool up while I'm switching to 3rd gear I hear this beep sound from the engine bay. its like "BBBOOOP~" then it goes away right after that, there isn't any effect from the sound but I just want to know what that's about?! I know its not normal for it to be that way so has anyone else had this sound before???

-Gene

rockshox

iTrader: (3)

what intake do you have and is the air pump inlet still connected to it?

SWAT81

iTrader: (14)

I disconnected my air pump and plan on removing it along with the emissions since it never passes anyway. My intake was listed on my mods list, Apexi duel power intakes along with hard intake pipes.

clayne

Search for:

"air-pump noise"
"air-pump moo"
"moo hose"

TwinTriangles

Yea my car does the exact same thing... Every time I hear it I think im being pulled over...!

911GT2

I was certain it was the airpump too, but if it isn't hooked up....?

SkywarpR

Could it be the shift "beep"?

911GT2

Oh he said "beep." I never even noticed that. Yeah, theres a beep at 7500 rpm to warn you to shift, it could be that.

DaedelGT

But it doesnt go bbboop...


more like an eeehhhhhhhh

teamstealth

i noticed this exact "whistling" sound when i removed my Airpump Control Valve 2 days ago...under 3k it sounds like someone is whistling under the hood. Is this the infamous airpump moo?

Runnin Away

check your check valve under the intake manifold its probably busted if you are noticing little or no boost thats wha it is if not then..I HAVE NO IDEA

SWAT81

iTrader: (14)

no the whistling sound is normal, it is however a moo sound like loud at first then fades away. Its a very short sound not extended but short.

SWAT81

iTrader: (14)

but it occurs while I'm shifting not before or after but while I'm doing it, plus does the shifter warn sound come from within the engine bay?

SWAT81

iTrader: (14)

I doubt it would be the from the shifting cuz my friend red lines his sometimes and never hears the same sound as me. He was the one who actually first heard it ans asked me, then I heard it again when I was on my own.

Sesshoumaru

iTrader: (1)

..........sorry thought i was in the second gen forum

that would have really confused you....

clayne

You know what's funny about that little moo pipe?

I removed it a while ago and there's no difference in sound whatsoever.

jupiter

It sounds like you already know what it is.
You said you have a boost leak?
Just disassemble your ic piping you should find a broken coupler. If not check your BOV, CVC hoses.
My "noise" was coming from the cross-over pipe. Hope this help.

Cihuuy

you didnt put any whistles on your BOV didnt you?? j/k

What rpm were you in? does it make this sound in all gears?

If the sound is between shifts, then check your BOV & CRV hoses!! you might have a leak there?

Jupiter: is that the stock hood? do i see a ventilation on the hood?

SWAT81

iTrader: (14)

lolz! Whistle hahahaha! That would be hilarious indeed!

I was around 5k ~ 6k RPM when I shifted and I only hear it from 2nd to 3rd gear.

Hopfully when i do my hose job again during the winter it will go away and I'll have no boost leak.

Also another question is, I have an oil leak somewhere on my stock turbos. Not huge but I see little amounts of burned oil smoke coming up from where my turbo is when I pop the hood. Do you think its from one of the return lines? I know this is a common leak somewhere but I dont know where?

HeatTreated

Its most likely a vacuum hose collapsing and when the BOV air is released it allows the hose to regain its shape.

I had a similiar problem and it had nothing to do with the airpump. *check your pressure/vacuum chambers make sure they arent cracked or leaking, and do the same to the check valves.

911GT2

Wait wait, does it go WOO WOOO?

WOO WOO!

(sorry, I had to )

SWAT81

iTrader: (14)

wait actually my vacuum chamber for my secondary turbo, the one right in front of the alternator thats atriangle shape has come lose. I think it maybe from that? Hmmm, I'll look into it thanks

SWAT81

iTrader: (14)

OMFG!!!! LOLZ!!!!! HAHAHAHAHAHAHA Thats the craziest funny thing I ever seen! What the hell is the point of putting a whistle and make people look at an old busted Buick and a Wagon lolz!!!!! hahahaha "Wooo WOOOOOOO its like an alarm clock" hahahaha dumbasses hahahaha Can't stop laughing

HeatTreated

Uh, Yes