chirping sound..?

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07-21-2003, 11:18 AM

#16

alfy06

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IT IS THE SOUND OF THE STOCK BLOW OFF VALVE THAT IS IN YOUR CAR. IT CHIRP, THE TURBO SPOOL UP'S AND THE STOCK BLOW OFF VALVE RELEASES THE AIR.

07-21-2003, 01:05 PM

#17

BlingBlingBlue

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Join Date: Nov 2002

Location: Bay Area

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Car Info: 02 WRX wagon=dead; rollin' in a Craptastic Camry!

Quote:

Originally posted by alfy06
IT IS THE SOUND OF THE STOCK BLOW OFF VALVE THAT IS IN YOUR CAR. IT CHIRP, THE TURBO SPOOL UP'S AND THE STOCK BLOW OFF VALVE RELEASES THE AIR.

THEN WHY DID MY NOISE GO AWAY AND WHY ARE YOU SHOUTING?

07-21-2003, 04:32 PM

#18

jessdog

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good question bling bling.. everyone says its the blowoff.. if that was the case that sound would be normal and always be there.. but in this case i have heard that it does go away...

07-21-2003, 05:14 PM

#19

hori

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Join Date: Feb 2003

Posts: 10

well if its the blow off valve it would be coming from the engine bay but my chirping is at the back near the muffler and doesn`t always do it so but is noticeable if you rev it up.

07-22-2003, 01:55 PM

#20

BlingBlingBlue

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Location: Bay Area

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Car Info: 02 WRX wagon=dead; rollin' in a Craptastic Camry!

Another argument against the blow off valve hypothesis: the noise happens when you give the engine a rev in neutral. Hardly any boost would be made under these circumstances that the BOV would be venting. If it was the BOV, it should be much louder between the 1-2 shift on a hard pull, right?

07-22-2003, 11:16 PM

#21

Christian

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Join Date: Jun 2003

Location: Good Ol' LA

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Car Info: 03' WRB

i dont think its the blow off valve. it doesnt chirp right after you release the gas. plus its in the front passenger side of the engine. i noticed it after i took the silencer out. i think it has to do with that. the stock bov makes more of a woosh doesnt sound like a little birdie

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07-22-2003, 11:39 PM

#22

Repothis

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I think it is for sure the muffler, if you notice to chrome tips on the exhaust are bent in to create the "one piece" effect. I believe it is the exhaust hitting the bent piece and making the chirping noise.