Notices
Forced Induction Turbochargers and Superchargers..Got Boost?

Loud squeal noise when not in boost and idle

Old Aug 7, 2011 | 09:36 AM
  #1  
Jacob350z's Avatar
Jacob350z
Thread Starter
Registered User
iTrader: (6)
 
Joined: Apr 2009
Posts: 1,050
Likes: 0
From: New OrleanZ/Greer, SC
Default Loud squeal noise when not in boost and idle

Is this normal for a vortech s/c? I just bought a vortech g35 and this noise just doesnt seem like its normal.

It doesnt sound like a worn belt, almost like a loud s/c whine while driving. I thought the whine noise only came while in boost....


any ideas? Anyone else have this loud whine noise while driving normal and sometimes at idle?

Just seeing if this is normal or I have to get it serviced.

Thanks
Reply
Old Aug 7, 2011 | 11:24 AM
  #2  
ramirj2's Avatar
ramirj2
New Member
 
Joined: Sep 2004
Posts: 87
Likes: 0
From: Bayamon, Puerto Rico
Default

Normal.
Is the By pass valve. Sounds like a Jet
Reply
Old Aug 8, 2011 | 08:45 AM
  #3  
Jacob350z's Avatar
Jacob350z
Thread Starter
Registered User
iTrader: (6)
 
Joined: Apr 2009
Posts: 1,050
Likes: 0
From: New OrleanZ/Greer, SC
Default

Here is the video of the noise.



http://www.youtube.com/watch?v=O4gJORXR0oU
Reply
Old Aug 8, 2011 | 09:15 AM
  #4  
ramirj2's Avatar
ramirj2
New Member
 
Joined: Sep 2004
Posts: 87
Likes: 0
From: Bayamon, Puerto Rico
Default

Sound a little louder than mine but the same.
When you get into boost it should go away and off boost come back again.
The whine noise is on the Roots type blowers
The BPV is open unless you are on boost.
Search for "Vortech BPV noise" and will find other threads on this and how to reduce it
Reply
Old Aug 8, 2011 | 10:31 AM
  #5  
jpc350's Avatar
jpc350
Registered User
 
Joined: Nov 2003
Posts: 291
Likes: 0
From: columbia md
Default

The loud grinding noise coming from the blower seems louder than normal..If you are referring to the wooosh noise it's the BPV opening when you let up on the gas and venting air charge...
Reply
Old Aug 8, 2011 | 06:06 PM
  #6  
Jacob350z's Avatar
Jacob350z
Thread Starter
Registered User
iTrader: (6)
 
Joined: Apr 2009
Posts: 1,050
Likes: 0
From: New OrleanZ/Greer, SC
Default

Originally Posted by jpc350
The loud grinding noise coming from the blower seems louder than normal..If you are referring to the wooosh noise it's the BPV opening when you let up on the gas and venting air charge...
I was talking about the high pitch noise. The chatter noise is normal I heard but the whine noise is what im worried about.
Reply
Old Aug 8, 2011 | 10:03 PM
  #7  
ESP350Z's Avatar
ESP350Z
New Member
iTrader: (1)
 
Joined: Jun 2003
Posts: 140
Likes: 0
From: Yuba City
Default

They whine a little bit at idle, mine does
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Obadabot
Maintenance & Repair
16
Jun 18, 2023 11:31 PM
liqalu04
Engine & Drivetrain
31
Jan 2, 2022 12:58 PM
Colombo
Forced Induction
35
Nov 9, 2020 10:27 AM
hulkout
Tuning
1
Sep 30, 2015 12:33 PM
samansharif
Brakes & Suspension
1
Sep 25, 2015 12:31 PM


Thread Tools
Search this Thread

All times are GMT -8. The time now is 11:09 AM.