Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

98 S70 T5 intake rattle

Thread Tools
 
Search this Thread
 
  #1  
Old 09-05-2010, 07:25 PM
mcg122's Avatar
Junior Member
Thread Starter
Join Date: Sep 2010
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default 98 S70 T5 intake rattle

Hi, I'm new to this forum, but not to Volvos. I recently bought a 98 S70 T5 with 206k on it. Second owner, clean, seems to have been well maintained. I've noticed that sometimes on start up there is a buzz, or rattle. It appears to be coming from a cylinder, for lack of a better word, in front of the left wheel well. It has a small, maybe 1" diameter hose going to the air filter. I haven't tried taking it apart because I wasn't sure what I was looking at. Is there some sort of check valve or something in there that would need replacement? My 99 V70 with no turbo doesn't have it so I assume it's turbo related?
 
  #2  
Old 09-05-2010, 07:31 PM
tech's Avatar
Administrator
Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Likes: 0
Received 40 Likes on 38 Posts
Default

That is the air pump they are known to go bad.
If they work normally it sounds almost like a hair dryer. If it sounds different it might be going bad.
 
  #3  
Old 09-07-2010, 08:40 AM
mcg122's Avatar
Junior Member
Thread Starter
Join Date: Sep 2010
Posts: 2
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks for your prompt response! I'll have to listen to it more carefully. Is it supposed to turn on at start up? I don't notice it every time.
 
  #4  
Old 09-07-2010, 08:03 PM
tech's Avatar
Administrator
Join Date: Sep 2004
Location: Orlando, Florida
Posts: 36,351
Likes: 0
Received 40 Likes on 38 Posts
Default

Yes it is. It routes hot air from the exhaust into the intake through the air box to help the motor warm up quicker.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jeff Kong
1998-2000 model year V70
2
05-18-2012 05:38 PM
Stefan1235
Volvo S60 & V60
1
05-21-2011 09:00 PM
Dtowngoalie
Volvo S70
1
07-30-2010 11:39 AM
rquinonez32
Volvo S40
6
09-30-2008 02:08 PM
JBVolvo
Volvo 850
3
04-06-2007 10:17 PM



Quick Reply: 98 S70 T5 intake rattle



All times are GMT -5. The time now is 02:08 PM.