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General Forums => The Mess Hall => Topic started by: lqdtrance on September 21, 2010, 09:00:28 PM

Title: Downshift noise?
Post by: lqdtrance on September 21, 2010, 09:00:28 PM

Ok, I am gonna try to describe this the best I can. Lets say that BLAAAAAHHHHHH is the sound of the exhaust then when I downshift it sounds like this BLAHHHHHH BLAAHH BLAHHH BLAAHH BLAAAAAAHHHHH. Get it? Go ahead, Flame on................

I think this means I have a leak in my exhaust correct?

Title: Re: Downshift noise?
Post by: Jeffy on September 21, 2010, 09:03:22 PM

So it barbles?  That's normal if you have a performance exhaust.  Even a stock exhaust might do it on a downhill.

Title: Re: Downshift noise?
Post by: lqdtrance on September 22, 2010, 09:40:34 PM

No performance exhaust at all. And it does it any time I down shift or use gears to slow down. Down hill or not. I don't mind it too much but it is kind of annoying when it does it down every side street. I did just replace the muffler with another stock model. But it did this prior, just much louder due to the huge hole in the muffler.

Title: Re: Downshift noise?
Post by: Jeffy on September 22, 2010, 10:28:39 PM

So, you have a hole in the muffler?

Title: Re: Downshift noise?
Post by: Bounty Hunter on September 23, 2010, 01:10:42 AM

Mine doesn't do it on a downshift unless I tap the gas pedal after the downshift, then it pops BLAHHH BLAHHH BLAHHH..

Title: Re: Downshift noise?
Post by: lqdtrance on September 23, 2010, 04:53:18 AM

No hole in the muffler. I just replaced the muffler. The old one had a fist sized hole.

Title: Re: Downshift noise?
Post by: sharpxmen on September 23, 2010, 08:57:15 AM

not to worry you or anything as mine does that too (maybe not as obvious but i know exactly what you describe) - could be an injector leaking or squirting as the fuel is cut down quite a bit in engine brake

Title: Re: Downshift noise?
Post by: jfrabat on September 23, 2010, 06:50:54 PM

If it is the throaty BRUP BRUP BRUP coming from the exhaust, I would not be too worried; I have had it happen before and after the exhast change, the cat change, the injector change, the adjustable FPR change...  You get the idea.

Title: Re: Downshift noise?
Post by: lqdtrance on September 23, 2010, 08:02:32 PM

Ok, Cool. 1 down dozens more to go. lol