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#1
03-03-2010, 02:23 PM
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300CD problem...please help!!
Hope some of the pros here can tell me where I messed up !!
My 300CD (1985) was leaking oil and my driveway was looking really bad, so I decided to buy a valve cover gasket at discount autoparts and take care of the problem. Did the whole thing yesterday in one hour or so, and after a quick drive everything seemed fine. Today after taking my wife to work I noticed a bigger oil stain on my driveway so i decided to check the engine just to find that there is oil still coming from the top of the engine through the gasket. I tried Tightening the 4 bolts more but I'm afraid to mess them up. Please can somebody give a clue of what could be wrong? I checked all around and it seems to be tight against the engine and i installed it with a lot of care and making sure no dust or debris got between the gasket and the metal, but since it was the first time I did it I may somehow messed up. Thanks a million!! |
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#2
03-03-2010, 02:27 PM
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A cheap gasket may be just that. Even good ones are easy to slide off when installing and get turned a bit, inspect carefully.
Perhaps your can cover is warped.
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83 SD 84 CD |
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#3
03-03-2010, 02:29 PM
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Isnt there a specific torque spec for valve cover bolts? My m103 engine requires 15 nm
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Eugene 10 E63 AMG 93 300te 4matic 07 BMW X3 14 Ford F-150 Fx2 |
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#4
03-03-2010, 02:41 PM
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Thanks for the quick answer guys...
I would like to high lite that now I have a worst leak than before so... inspecting the gasket carefully and I don't see anything wrong, at least with my untrained eyes. Based in you guys experience....should I re do the job? Again thanks for your time trying to help this newbie here!! |
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#5
03-03-2010, 03:04 PM
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I didn't mention this earlier because you stated you started it and seemed fine, but the metal part of the fuel line clip at the top goes as in the pic as opposed to under the cover.
Feel around all the way, you should be able to tell if the gasket got turned under. And yes, it would seem you need to re do something. There are no torque values on this engine, just snug 'em up tight. Good luck.
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83 SD 84 CD |
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#6
03-03-2010, 03:11 PM
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What needs to be done before giving the valve cover a "smack down" is to make sure every bit of oil is wiped from the matting surface of the head.
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 1985 Euro 240D 5 spd 140K 1979 240D 5 spd, 40K on engine rebuild 1994 Dodge/Cummins, 5 spd, 121K 1964 Allice Chalmers D15 tractor 2014 Kubota L3800 tractor 1964 VW bug "Lifes too short to drive a boring car" |
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