Hello,

I have a 84 300 SD. In replacing the oil pan gasket, is there any compound that supposed to be applied to the gasket. It seems the manual says that you don't need anything but I can't acheive a proper seal and I continue to get oil spills. Any help on this matter?

Also, if I want to replace the fuel injectors on this car, what else will I need besides 1) rebuilt fuel injectors 2) The Black overflow hose and endcap 3) 27 mm deep socket. The injectors were last replaced > 100 K ago and I'm hoping to see a performance boost (I regularly use diesel purge)

Do I need to get any kind of seals etc or any other parts before attempting injector repair?

Are you applying the proper torque to the oil pan bolts? It may sound silly, but they do have a proper torque spec (don't recall what it is).

I am going to replace my oil pan soon, and was wondering as well if a sealant was needed. I don't think there is any on there now, but then again, my oil pan gasket is seeping...

As far as the fuel injectors goes, you will also need to replacing the sealing washers that go between the injector and where it seats on the head. They are cheap.

Chris Blanchard
1984 300SD 139k

I'd like to know how you make out. My 300 SD has original injectors, and the kid that had it before me ran into something that dented the oil pan. A future project!

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83 SD 143 K miles
93 Grand Caravan 130K miles
92 Buick Regal (winter car)

I will probably being swapping the oil pan and gasket next weekend, when I perform my next oil change. I'll keep you posted.

I also plan on replacing the turbo oil drain seals at that time as they are leaking slightly.

I see that your car is Lapis Blue (mine is the same color).

Chris Blanchard
1984 300SD 139k

I may catch heck but I use a very, very small amount of Ultra Copper applied to both sides of the gasket as per the directions on the tube of UC. The reason you have to use it with care is because when you tighten the pan together it will "squeeze" the excess that is inside the pan toward the inside. This could break loose and wind up starving a bearing somewhere.

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Jim

So,

Does anyone know what to do with the oil pan....I already had replaced it once with a new pan and gasket (from the dealer) and still it seeps around it....I did tighten the bolts fairly secure.


Any ideas?

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1) 84 300SD 285K+ Miles (Ver Calif)
2) 84 300SD 175K+ Miles (Ver Federal)

I just replaced the lower pan gasket on my 83 300D. Not difficult at all. I used a very, very thin skim of silicone sealer on both sides.

Are you sure that it's the pan gasket that's leaking? I thought for for a long time that my 240D pan gasket was leaking but it turned out to be that the 2 plugs near the vacuum pump were loose. If the leak is towards the driver's side front of the engine, I would look there.

Joe