It looks like the turbo line (84 300D( is leaking on the right. After doing the brakes and bearing today I noticed the from right of the engine was fairly covered.
Is there anything else on the right that might be giving the engine such a black coat.

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84 300D 251K
87 190DT 281K - Sold
06 Ford Escape 172K
94 Ford Ranger 250K
99 Chevy Suburban 181K

The drain line from the oil separator, within the air filter, can also leak in that area. If you remove the air filter housing you can see what's going on under there.

Your best bet is to really clean your engine down there and do some short test drives .. you may have more than one leak.

The next step was to get the engine cleaned. I just wanted to prepare SWMBO. She takes my hobby better if I have a good estimate.

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84 300D 251K
87 190DT 281K - Sold
06 Ford Escape 172K
94 Ford Ranger 250K
99 Chevy Suburban 181K

Estimate of what - how much longer she is going to allow this obsession?

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Jim

As long as I keep my average spend around 200 a month all is well. I'm working up to an A/C rebuild and a paint job.

__________________
84 300D 251K
87 190DT 281K - Sold
06 Ford Escape 172K
94 Ford Ranger 250K
99 Chevy Suburban 181K