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  #1  
Old 28th August 2010
saili_calvin saili_calvin is offline
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Default Burning Oil Smell - HELP!

OK so my 2000 9-5 smells like its burning oil, but it doesnt leak oil, I never have to fill it up and my oil light never comes on. what could be causing the smell?
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  #2  
Old 28th August 2010
jsmith jsmith is offline
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could be there's a leak somewhere and it's dripping on something hot like the manifold or other parts of the exhaust system. it could be just drops that don't even get to garage floor. you might need a dye to find it if it's not obvious....
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  #3  
Old 28th August 2010
emilclintoc emilclintoc is offline
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Most likely its your oil pressure switch leaking oil and it drops on the cat which gives a burning oil smell in the car as u drive. I've done this job twice, its hard to get to and you need to make a side cut into a long 15/16 socket to be able to put the new one in(room for the wire).
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  #4  
Old 30th August 2010
saili_calvin saili_calvin is offline
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does it sound like a major issue that needs to be attended too? or can i let it go as long as i keep an eye on it? and if it is something i need to get fixed, it sounds $$$$.
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  #5  
Old 31st August 2010
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Kermit Kermit is offline
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Not expensive, just awkward to access the pressure switch. Me personally i'd get it sorted out, leaking oil on the exhaust is never a good idea.
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  #6  
Old 31st August 2010
Alchemy2003 Alchemy2003 is offline
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Quote:
Originally Posted by saili_calvin View Post
does it sound like a major issue that needs to be attended too? or can i let it go as long as i keep an eye on it? and if it is something i need to get fixed, it sounds $$$$.
It's a cheap switch. It's on the rear of the engine just above your starter. If you pull the starter and the front section of the exhaust it actually becomes really easy. Also, don't hack a socket, go buy a crows foot and use that. You'll be done fast.

The job probably takes an hour tops with the right tools and a set of ramps.

http://buy1.snapon.com/catalog/item....4&group_ID=266

http://www.autopartswarehouse.com/de...1&apwidQc7wDLJ
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  #7  
Old 31st August 2010
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bazwold bazwold is offline
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One other thing worth checking, take off the plastic cover from the top of your engine and make sure that your pcv hoses are ok.
I had this burning oil smell a few years ago and found out it was the pcv hose that comes out of the cam cover had a large hole in it and the fumes were coming in through the ventilation.
Probably not but worth a look.
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  #8  
Old 31st August 2010
JimIndyV8 JimIndyV8 is offline
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It may also be the oil filter 'block-off' o-ring.
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  #9  
Old 31st August 2010
saili_calvin saili_calvin is offline
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oil filter block off o-ring?
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  #10  
Old 31st August 2010
JimIndyV8 JimIndyV8 is offline
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There is a very detailed link which explains this (with pictures). When saab put a turbo on this V6 they blocked off the original 'oil filter' boss with a round plate and an oring which goes bad after 70 plus thousand miles. This o-ring leaks oil onto the turbo and is a pain to get to and has the exact symptoms you describe-I know because that's where mine is leaking. The link maybe on Saab-net. Someone here will know.
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  #11  
Old 1st September 2010
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Saaber95er Saaber95er is offline
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"He didn't say if his car is a 4 or 6 cyl"
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  #12  
Old 1st September 2010
MKB707 MKB707 is offline
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Quote:
Originally Posted by JimIndyV8 View Post
There is a very detailed link which explains this (with pictures). When saab put a turbo on this V6 they blocked off the original 'oil filter' boss with a round plate and an oring which goes bad after 70 plus thousand miles. This o-ring leaks oil onto the turbo and is a pain to get to and has the exact symptoms you describe-I know because that's where mine is leaking. The link maybe on Saab-net. Someone here will know.
Can you possibly point me to that link? Someone was helping me in a thread I created and mentioned this. I have had an oil leak for a long time that is leaking all over the exhaust and he suggested I check this out before I start pulling things apart to check the turbo for a leak. I have no other symptoms of a bad turbo so I am keeping my fingers crossed and hoping this is my issue. It would be a huge help to see more details of where the plug is and where it leaks so that I could check mine.
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  #13  
Old 1st September 2010
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raquettelaker2 raquettelaker2 is offline
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Quote:
Originally Posted by bazwold View Post
One other thing worth checking, take off the plastic cover from the top of your engine and make sure that your pcv hoses are ok.
I had this burning oil smell a few years ago and found out it was the pcv hose that comes out of the cam cover had a large hole in it and the fumes were coming in through the ventilation.
Probably not but worth a look.
This is where I'd start. My PCV valve broke and was leaking stinky crankcase fumes.
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  #14  
Old 2nd September 2010
JimIndyV8 JimIndyV8 is offline
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let's clarify, do you have the v6?
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  #15  
Old 3rd September 2010
MKB707 MKB707 is offline
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Does anyone have that info on the O ring for the block off on the V6? It would be a lot of help, I am going to change the oil this weekend and wanted to check it out while I am under the car.
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  #16  
Old 6th September 2010
MKB707 MKB707 is offline
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Ok so pick-n-pull was doing half off this weekend so I grabbed the turbo out of the 99 SE they had but they show up as different part numbers than the 02? Does anyone know if it will swap over? It all looked the same to me but I want to be sure. The turbo had some shaft play and the guys at the counter were saying they think it has 10-20k miles before it blows so I think I am going to do a rebuild. I am not 100% sure but I couldn't pass up the chance to get this turbo for $30.

Also where is the oil block off that people are talking about I should have a clear shot to look at it on the car at the junk yard and just want to get an idea of where it is so I can check it on my car. And I am kind of hoping that is the problem that way I don't have to pull the turbo.
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