so i have this 1985 300d from hell. the stock engine was from cali. and had alll the lovely cali emission stuff on it, at about 216k miles it gained a rod knock and was sold off to the guy i bought it from. He quickly dropped a 1984 300sd engine in it with 138k miles on it. i bought it about a year later, not running, and got it to where it was drive able. shortly after getting it running it started to leak oil everywhere! the sucker eats a gallon of oil between eat oil change and the engine is just black on the sides and under it. the oil leak is greater on the passenger side and flows from the where ever it starts down the exhaust. it doesn't start leaking onto the exhaust tell after it it bends down under the car. i have the car drained of oil and am going to replace the turbo return line and delivery line gasket and also replace the oil filter housing. If you guys can think of anything else that might be leaking please tell.
P.S. the crankcase breather was capped and that why the car wouldn't run when i bought it. could this cause some kind of gasket to blow?

YES!

I would thoroughly clean the engine and then start it up and watch to see where the leaks are. There's an excellent chance you have more than one.

Four quarts in 3,000 miles isn't really that bad. I used to have a Mercury with a 351 that leaked a quart every 80 miles when I first got it. I also used to have a Suzuki with bad valve seals that burned a quart every tank of gas.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

To Quote my 9 year old; "Dude Seriously!" Four quarts IS bad! That's 1 quart every 750 miles, or every other fill up. Care to guess where that oil ends up. I suppose if you live in the desert it just goes into the sand, but some of us live near water.

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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI


Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous

“Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss

I wouldn't start replacing stuff until I had a good idea what the problem was. Clean it off at the car wash and then look closely. Turbo feed line can leak on passenger side.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

Check valve cover gasket

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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
1983 300D Turbo 175,000 miles

http://i42.photobucket.com/albums/e3...e485-1-2-1.jpg

Not to mention, make sure your PCV system is venting correctly.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

where is the pcv system?

positive crankcase ventilation

__________________
1987 300TD 309, xxx 2.8.2014 10,000 mile OCI


Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous

“Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss

what are the odds that the head gasket blew from the backed up presser?

It wouldn't take out the head gasket. Valve cover gasket, front and rear main seals, oil pan seals, very possibly.

__________________
Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

well thank you. i was taking the oil filter housing off and one of the oil cooler lines welded its self to the housing! so it turned the brass into a rapped coil. i hate this car sometimes!!!!! good thing the new filter housing came with two oil cooler lines as part of the deal or i would die!

doesnt the pump shut down from excess crankcase pressure?? The OM606 does.

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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)