3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
Sponsored by:

Burnt rubber smell

Thread Tools
 
Search this Thread
 
Old Oct 31, 2006 | 01:30 PM
  #1  
Mazda99Nikon's Avatar
Thread Starter
Senior Member
Tenured Member 05 Years
 
Joined: Dec 2003
Posts: 292
Likes: 0
From: Lexington, IL
Burnt rubber smell

I did a search on this and while the problem appears to be common, I never found any answers.

In any event, I have noticed the slight odor of burned rubber filling my garage after I arrive home following a 16 mile commute on the expressway in my 1994 3rd gen. Car is in seemingly perfect condition. I'm not driving all that fast and pretty much stay off the boost as a matter of fuel conservation.

There is no smell in the engine bay. There is no smell in the exhaust pipes. I got down on my knees and sniffed all over the car. The smell seems to be coming from an area just behind the catalytic converter and directly in front of the muffler. The cat itself doesn't smell. I can't see any burned components. No oil leaks. No smell from the differential. No smell from the transmission. No holes in the exhaust pipes. Tire rubber seems uniformly warm but not hot, inside and outside. No hot spots on the wheel or bearings.

I'm stumped. I know others have experienced this same issue. Anyone ever find an answer?
Reply
Old Oct 31, 2006 | 01:32 PM
  #2  
gafu mazda's Avatar
el unico
Tenured Member 05 Years
 
Joined: May 2006
Posts: 370
Likes: 0
From: South Jersey
muffler bearings....nah,seriously...maybe its the grommets that hold the muffler in place,theyre rubber
Reply
Old Oct 31, 2006 | 05:09 PM
  #3  
BillM's Avatar
RX-7's since 1980
Tenured Member 15 Years
iTrader: (4)
 
Joined: May 2006
Posts: 801
Likes: 59
From: NYC
I have the same problem. Havent solved it yet
Reply
Old Nov 1, 2006 | 07:07 AM
  #4  
adamtassell's Avatar
Full Member
Tenured Member 05 Years
 
Joined: Jun 2005
Posts: 189
Likes: 0
From: Australia
I have the same problem, when I stopped doing burnouts it improved alot.
Reply
Old Nov 1, 2006 | 07:18 AM
  #5  
KINETIK_FD3S's Avatar
almost done
Tenured Member 05 Years
 
Joined: Dec 2001
Posts: 1,049
Likes: 0
From: 250 HZ
^ lol
what exhaust do you have if its aftermarket it maybe to close to the plastic cover under the bumper.

Last edited by KINETIK_FD3S; Nov 1, 2006 at 07:19 AM. Reason: .
Reply
Old Nov 1, 2006 | 07:27 AM
  #6  
White94RX's Avatar
BMW Tech
Tenured Member 05 Years
 
Joined: Mar 2002
Posts: 845
Likes: 0
From: Auburn, Alabama
Maybe a plastic bag or something got caught on the exhaust?
Reply
Old Nov 1, 2006 | 09:44 PM
  #7  
Mazda99Nikon's Avatar
Thread Starter
Senior Member
Tenured Member 05 Years
 
Joined: Dec 2003
Posts: 292
Likes: 0
From: Lexington, IL
Stock muffler. Smell went away tonight. Sometimes it comes and goes. Frustrating. The idea that it could be caused by one of the rubber exhaust mounting hangers is what I thought right up front. But there's no burn marks on either one. Besides, they are isolated a little bit from the muffler. I think I once estimated that the muffler could reach upwards of 600 degrees. I suppose it is possible the rubber rings could cook at 400 degrees. Does anyone know specifically what temperature the muffler reaches under highway conditions?
Reply
Old Nov 1, 2006 | 09:56 PM
  #8  
KINETIK_FD3S's Avatar
almost done
Tenured Member 05 Years
 
Joined: Dec 2001
Posts: 1,049
Likes: 0
From: 250 HZ
do you have the stock cat if its clogged it makes a lot more heat than normal check the rubber hanger mounts on the cat section of your exhaust, rubber does not need to burn to smell like it is.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
ls1swap
3rd Generation Specific (1993-2002)
17
Jun 3, 2024 03:25 PM
Aramir
New Member RX-7 Technical
24
Oct 18, 2015 02:39 AM




All times are GMT -5. The time now is 07:39 AM.