Diesel Engine Specific Aid

"Core Support" location on W126

I bought an FM10 water separator filter for my 1982 300SD, and in the instructions it suggests that I mount it to the left front "core support" bracket. After surveying for a spell, I was unable to locate this bracket in the engine compartment. Can anyone point me, via other reference points, to this bracket? Thanks in advance, tbird

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W126

Exhaust Leak From Manifold Or Turbo on a 300SD

I noticed a bit of soot in the instrument panel of my '84 300SD. I also get a few specks of soot on the grille and under the hood. My guess is that I have a minor leak somewhere on the exhaust side of the engine. Is there anywhere that seems prone to leakage? Exhaust manifold gasket, turbo gasket, etc.? Thanks for any advice you can provide. Tim Delaney Stewiacke, NS, Canada 1984 300SD, 225,000km

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Chassis Model Number

W126

Flex Plate location?

I recently bought an 81 300td that has a 118 transmission. When driving, there is a bad flare between 1st and second and the car "clunks" like I am dragging a can of paint under the shifter. I read (/node/49) the flex plate torque converter page and thought that may be my problem. But I can't figure out where the blasted thing is so I can check it...and if it needs replaced or needs new bolts, Kent, do you have those handy? I did just finish changing the transmission fluids and filter, oil and filter, and the inline fuel filter.

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Chassis Model Number

W123

240D spun rod bearing and can't find parts!

I'm trying to find undersize rod bearings for a 1976 240D I just picked up. Seems to be pretty easy to find standards but that's it. Is it possible to return a crank journal to the standard size if the bearings aren't available? The engine was totally rebuilt a few years ago but... kid driving, hole punched in oil pan, ran out of oil and that's it.

Chassis Model Number

W115

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Diesel blow by, high oil consumption, why?

I recently purchased some of your manuals and was checking out my newly purchased 82 300td and noticed it has excessive blow by and was 3 quarts low on oil after roughly 1000mi! I did your plug the breather trick and it goes for 3-4seconds before shutting down. This car starts great on frosty mornings and has lots of power, no smoke and no oil spots on the driveway. What do you think is the best method for freeing up sticky rings? (if that's my problem) I have a friend who fills his crankcase with biodiesel after draining the oil and idles for 10min or so. Do you think this is a bad idea?

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Chassis Model Number

W123

Vacumum lines have oil

I have a 1980 123 300D non turbo, shut down was acting slightly slow after testing nothing appears to be leaking and pump is producing a strong 23psi, upon testing fuel shutoff valve it shut off under two pumps from mitivac, after testing and re-connecting shut down is excellent but lines are coated with oil. so 2 questions here: 1) is there any way to clean out the hard lines without completely replacing and only replacing the rubber connectors?

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Chassis Model Number

W123

Vacuum Routing - 1983 300sd

Hey Kent: The vacuum book has help alot,but I have a problem that I cannot find help anywhere. The 3/2 valves are really 2 on top of one another. When I got the car several of the curved lines were rotted,and where they plug into the plastic 5-way connector ( which the rubber conector plugs into) was missing tits. So I used the diagram for the 80 to 81 300D and 240D trying to get the vac working right.I stopped the clunking slowing down to a stop.1,2,an 3rd shift ok but early,but 4th wants to slip then shift. Unless you drag race,it shifts fine.So I drive her in 3rd and shift to 4th on my own. Will the diagram I used work?

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Chassis Model Number

W126

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