When I turn off 08 acura tl type s, there is always the sound of a vacumn being released or something like this. It sounds like the air being quickly let out of a air box. I'm just wondering if this ir normal? after i took my car to acura for service, it started doin it.

 

I think it's something in the engine releaving pressure cuz u turned the engine off, it's no problem.

 

i figure it was that, just alil wierd that it never done that b4. i took it to acura on weds to fix the rattles in my speakers then wen i got it bak thurs it started doin that.

 

They didn't seal the airbox properly after a filter install/check. Get it fixed quickly, you don't want dirty air going into the engine.

All TLs do this but the stock airbox muffles the noise.

 

yea i made a appt w acura, thanx man

 

[quote=RGarcia99;10169331]When I turn off 08 acura tl type s, there is always the sound of a vacuum being released or something like this. It sounds like the air being quickly let out of a air box. I'm just wondering if this ir normal? after i took my car to acura for service, it started doing it.[/quot

Any time you install an after market air cleaner special CAI your gonna get lots of noise coming from the intake. My other vehicle that's a Ford F150 was real noticeable at idle you could hear a lot of hissing coming from inside the air cleaner and when you shut it off you get like a whoosh sound, which is basically the vacuum (low pressure) in the intake equalizing with the high pressure out side the intake Throttle body.

 

yea i understand that, i used to have a 04 rsx type s w a CAI. but i dont have a aftermarket air intake in my TL. its the stock air box

 

only other thing could be a Vac. leak, TL have very little vac hoses compared to old Honda's looked like an bowl of spaghetti The TL has vacuum to the brake booster, evap canister, and i think for climate control actuators. and cruise control if it is not throttle by wire. hope this helps a bit.

 

My 100% stock 2008 Acura TL does this. I just put in a new OEM filter and it still makes the same noise. I made sure I properly put everything back together and tight. What else should I try?

 

Anyone?