Question about 1995 Buick LeSabre

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1995 3.8 oil leak at oil filter area still leaks

HI, This may not be much help but I have a 1995 Buick LeSabre 3.8 engine with what sounds like Exactly the same problem. The leak looked like the oil filter was leaking, Then I saw it was not that it looked like the adapter was the problem, I replaced the adapter gasket -- no change. Then I thought the leak was maybe coming from above and seeping down the side of the timing chain cover to look like it was the adapter. I replaced the valve cover gaskets, the upper And lower intake gaskets. No luck. Then I replaced the timing chain cover gasket --with no small amount of labor, and the damper seal, and the oil pan gasket and end seals. The leak stopped.... for about 200 miles, Now its back . Slow at first but getting faster. Sooo.. that is where its at right now. I am beginning to wonder if there are better aftermarket gaskets out there for GM. If you came up with anything I WOULD SURE LIKE TO HEAR IT... By the looks of these ultra thin gaskets they seem not up to the job. BTW in addition to the new gaskets I used a small amount of silicone sealer too. Maybe when the next gasket goes in I will use the good old fashion black Parma Tex Messy but good stuff. Well good Luck. PS. the sending unit is ok. tallemani@comcast.net

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  • thelovedones
    thelovedones Nov 29, 2012

    I've had the exact problem and oil is running down my carport as we speak on this sight.The only thing I know to do is to buy the expensive "Dura Seal" as seen on TV until I can sell this pile of GM junk.I guess the only advantage is no new car payment and hoping it doesn't throw a rod !

  • thelovedones
    thelovedones Nov 29, 2012

    I've had the exact problem and oil is running down my carport as we speak on this sight.The only thing I know to do is to buy the expensive "Dura Seal" as seen on TV until I can sell this pile of GM junk.I guess the only advantage is no new car payment and hoping it doesn't throw a rod !

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Have you checked the pcv valve and hose to see if motor vacuum is venting the pressure if not press. will build - could be causing your gasket leak problem?

Posted on Sep 28, 2009

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I have the same problem and replaced gaskets and even the oil filter adapter.The car stopped leaking about 1 month and gradually started poring down my carport.I googled the problem and there is a "DURA SEAL" as seen on TV.It's expensive but may do the trick.It may work long enough to get rid of the pile of junk(GM) stuff.LOL

Posted on Nov 29, 2012

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Need diagram of engine to replace fuel filter on 1995 Buick LeSabre


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Oct 22, 2009 | 1995 Buick LeSabre

1 Answer

2001 buick lesabre oil change instructions


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1995 Buick Le Sabre oil leak


Try going to a regular parts store rather than to a dealer, if you are unsuccesfull there then you will need to go to an auto wrecker. Good luck andI hope that this helps, And please remember to take the time to rate all responses that you get. Thanx

Oct 14, 2008 | 1995 Buick LeSabre

1 Answer

Oil leaking on front right side of the car near oil pan and oil filter


You need to clean the engine and then run the vehicle while watching the area. The most common failure is the oil sending unit located near the oil filter. I have also seen a leak develop between the oil pump housing, which is mounted directly behind the hamonic balencer and the engine block.

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