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Old 01-27-2008, 10:50 PM
1987 300d Turbo "Freebie"
Join Date: Jul 2007
Location: Bellevue, Ne
Posts: 57
Leak on top one on bottom is it a big deal?

Car 300d
This car drives me crazy! I was under the car and saw that the Exhaust Manifold Gasket is leaking from the cylinder closets to the firewall. Looks to be a small leak. I was looking at something one the top of the engine and saw an oil leak. This one looks like it is from the intake gasket. My first question is how long of a job would it take the average person to change these out? The next question is it some thing that can wait? I have ordered the gaskets but would like to wait until it is warmer out to work on it.

I am a little anal about my engines and little issues bother me to the point that I can’t sleep at night until I fix them. I wish I could be like my wife and just drive the thing and never have a worry in the world about the occasional clunk hear or grind there or small oil leak. Hell one time she Back out of the garage up the drive and half way down the street with a completely flat tire before she stopped. When I asked her if something felt different she just said “no I just had to give it more gas to get it going.”

1987 300D Turbo
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Old 01-28-2008, 12:27 AM
lietuviai's Avatar
Registered User
Join Date: Mar 2003
Location: SW WA
Posts: 5,741
There shouldn't be any oil leaking anywhere from the intake gasket as there aren't any oil passages there. The intake gasket is easy but I've never done an exhaust gasket on a 603. Looking at the diagram for the exhaust manifold it looks like a big job. The turbo looks like it would need to removed to get at the exhaust manifold.
It's more likely your oil leak is from your valve cover and not the intake gasket.

84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012

Last edited by lietuviai; 01-28-2008 at 12:38 AM.
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Old 01-28-2008, 06:14 AM
t walgamuth's Avatar
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 36,382
Did you check to see if the bolts are tight?

Tom W
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 01-28-2008, 07:40 AM
1987 300d Turbo "Freebie"
Join Date: Jul 2007
Location: Bellevue, Ne
Posts: 57
I will check the bolts. Need to look for the proper tools that will fit. I will try and clean the oil off of the intake area and see if I can track down where it is coming from.

1987 300D Turbo
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