Standard BOV Noise
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Standard BOV Noise
Hi All
I have a UK 2006 2.5 WRX 32,000 miles which I have owned from new.
Recently I have noticed a noise coming from the engine bay that is the same as aftermarket BOV's but much much quieter. I get the whoosh sound when I back off the accelerator when when the turbo is spinning. I have checked the pipes going to the Standard BOV and they seem ok.
I am taking the car to my mechanic later this week but wondered if anyone else can shed any light on this.
John
I have a UK 2006 2.5 WRX 32,000 miles which I have owned from new.
Recently I have noticed a noise coming from the engine bay that is the same as aftermarket BOV's but much much quieter. I get the whoosh sound when I back off the accelerator when when the turbo is spinning. I have checked the pipes going to the Standard BOV and they seem ok.
I am taking the car to my mechanic later this week but wondered if anyone else can shed any light on this.
John
#2
It's normal. I get it on my STI. I believe it is more apparent once you start tuning the car, ie raise boost slightly but it will still be present on a totally stock car. I posted a message about this when I first got my car a few months ago. It does sound like a very faint after market "vent to atmosphere" bov but it's not. The stock recirculating one still makes a small noise. Nothing to worry about.
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Matth76 thanks that is nice to know. I did have a remap done a year ago and have only just noticed the noise.
Alcazar have done a few minor mods and and getting 300 lb ft on a dyno. The only other mod I might do is sports cat so no chance of getting anywhere near 400 hp.
Alcazar have done a few minor mods and and getting 300 lb ft on a dyno. The only other mod I might do is sports cat so no chance of getting anywhere near 400 hp.
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