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  1. #1
    Saab Fan
    Join Date
    28 Jan 2011
    Location
    SE Washington
    Posts
    32
    Saab(s)
    1997 900SE, 2003 9-5 Linear

    9-5 Oil Leak and Smells!

    2003 9-5 Linear, OK - dropped the pan and checked for gunk, clean and replaced - and had an oil leak. Thought perhaps I gummed up the gasket sealer refitting the pan. So I pulled the pan a second time - re-cleaned things, more sealant, careful refitting - still have a small leak. Leaks just enough to allow a drip to hit the catalytic converter, burn and smell. I did notice that some of the holes for the pan bolts go clear through into the block cavity - do these require anything special to seal? I can wipe things clean and it won't smell for a week or so, but things are wet. Doesn't appear to be leaking from above - and I replaced the oil pressure sensor as this was pointed out as a possibility. Car has 160K+, still runs good.
    Any ideas where the problem lies??

  2. #2
    Saab Nut 9-3 Aero's Avatar
    Join Date
    22 Apr 2013
    Location
    Tromsø, 69° 41' N
    Posts
    464
    Saab(s)
    2009 9-3 2.0T SC Aero XWD\eLSD. eSID2
    Assuming there was no leaks prior to the "gunk check", would I think the leak is between the pan and engine. Three steps from the WIS, regarding fitting the sump (pan):

    - "Ensure the oil sump contains no dirt or contaminants. Clean the sealing surfaces on the engine and sump with a gasket scraper and benzene."

    - "Apply an even, 2 mm thick bead of flange sealant, part no. 93 21 795, to the sealing surfaces of the oil sump."

    - "Tightening torque 22 Nm (16 lbf ft)."

    Nothing about special attention to the holes for the pan bolts.

  3. #3
    Frank
    Administrator nordwulf's Avatar
    Join Date
    30 Jul 2010
    Location
    USA - Netherlands
    Posts
    7,901
    Saab(s)
    previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
    What kind of sealant are you using? Only anerobic sealant should be used.

    And make sure to cover the inside of the bolt holes but that's probably obvious.


  4. #4
    Saab Fan
    Join Date
    28 Jan 2011
    Location
    SE Washington
    Posts
    32
    Saab(s)
    1997 900SE, 2003 9-5 Linear
    Used Permatex #51813, anerobic sealant. I put circle around all the bolt holes - used a bit heavier bead second time around. Of course you can't get a torque wrench on a couple of the bolts - but can get a wrench on them & feel they are snugged about right. Thanks.

  5. #5
    Marty Jackson
    Saab Addict Finding41's Avatar
    Join Date
    17 May 2013
    Location
    London Ont. Canada
    Posts
    641
    Saab(s)
    Sadly a Volvo XC90
    It may be leaking form a different spot.
    Both of my cars are leaking now. I didn't touch the one. I rebuilt the other...
    I will look closer when I have time. Spring... Maybe.
    finding41
    Marty Jackson
    www.northchannelcharters.com

  6. #6
    Saab Fan
    Join Date
    28 Jan 2011
    Location
    SE Washington
    Posts
    32
    Saab(s)
    1997 900SE, 2003 9-5 Linear
    Wow - it's been 18 months since I started this post! I am still living with the problem because I don't drive the car much - still only 166k miles. Finally bought UV dye and a light, jacked car up and let it run. After about 20 minutes it was clear where the leak was - looks like the rear seal, not easy to repair. At about the time of the pan drop, I also did PCV mod, new sub-frame bushes, new front seal. I checked the PCV valve, valve cover to throttle body - valve not working as it was allowing air back the wrong way! Installed a new valve yesterday, keeping my fingers crossed as now I have to drive to work!

  7. #7
    Marty Jackson
    Saab Addict Finding41's Avatar
    Join Date
    17 May 2013
    Location
    London Ont. Canada
    Posts
    641
    Saab(s)
    Sadly a Volvo XC90
    I still have a oil leak too. I swapped the oil pressure thing yesterday and washed the engine. It needs it again.... Hopefully I have it.
    Any luck trwilson70?
    finding41
    Marty Jackson
    www.northchannelcharters.com

  8. #8
    Saab Fan
    Join Date
    28 Jan 2011
    Location
    SE Washington
    Posts
    32
    Saab(s)
    1997 900SE, 2003 9-5 Linear
    Leak has decreased, but I'm just living with the problem. I notice if I drive carefully, don't get into the boost much, it doesn't leak. I am hoping the the seal will re-shape after a bit and seal better - wishful thinking.

 

 

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