I have the 1985 California model with the plastic tube going from the valve cover elbow to the rubber fitting. Mine is crumbling and leaking oil, especially the elbow. It is 15mm outer diameter, but only find 12mm in the States. Since the elbow is dried out, and several millimeters too small, doubt it will seal, correct?

I can get a new elbow apparently.

Can the Federal pipe be adapted?

Thank y'all in advance!

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Current fleet:

1985 Mercedes-Benz 280TE - Waiting for heart surgery.

1985 Mercedes-Benz 300TDT - Rear ended 23 September 2016 and now looking for a new home.

1979 Mercedes-Benz 300TD - Parted out.

1964 Volkswgen Beetle - Vater's since September 1968 and undergoing a restoration.

1971 Volkswagen Sunroof Squareback with F.I. - in need of full restoration.

1971 Volkswagen Squareback automatic with F.I. - Vacationing with her caretaker until he is in better health.

I am not 100% sure but I think Silicon Hose will stretch more then Rubber Hose and I believe you can get Elbows as Race Shops and for sure in eBay. You may need to cut it shorter.

On these sites you cn look up the Part Numbers for the real one and use the part number to shop. However, I have never looked up for a Calif. Mode.

Mercedes-Benz Parts - Shop Genuine Mercedes Parts Online at Mercedes-Benz of South Atlanta
Index to Mercedes EPC Parts Info and Diagrams Everything Benz
Каталог MERCEDES

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84 300D, 82 Volvo 244Gl Diesel

I have an 85 CA 300D. I think the plastic tube is the same diameter as in other 82-85 300D's, since the rubber fitting on the valve cover is the same. Those tubes have longer straight sections, so you could cut that.

Your real problems will be when the special 3-way rubber fitting fails, or the special rubber bellows to the turbo inlet. However, many possible solutions. I replaced the later with a 2.25"D silicone 90 deg elbow ($7, ebay). See my post "No more shaking ..." for details.

Thank you so very much for the help!

Is this it? 6170100570 - Breather Pipe - (NO LONGER AVAILABLE) - ES#1818059

Looks to be more than what is broken and has a cover.

Might be available here: Mercedes Benz BREATHER PIPE - 6170100570

__________________
Current fleet:

1985 Mercedes-Benz 280TE - Waiting for heart surgery.

1985 Mercedes-Benz 300TDT - Rear ended 23 September 2016 and now looking for a new home.

1979 Mercedes-Benz 300TD - Parted out.

1964 Volkswgen Beetle - Vater's since September 1968 and undergoing a restoration.

1971 Volkswagen Sunroof Squareback with F.I. - in need of full restoration.

1971 Volkswagen Squareback automatic with F.I. - Vacationing with her caretaker until he is in better health.

Thank you so very much for the help!

Exactly what I was thinking! I even have a proper and quality tube cutter, which has to be my favorite cutting tool!

I think I found the three way: Mercedes Benz BREATHER PIPE - 6170100570

Here is the same part number with a picture: 6170100570 - Breather Pipe - (NO LONGER AVAILABLE) - ES#1818059

Figure call the first place and confirm in stock. If not, then just order the other and cut to size.

__________________
Current fleet:

1985 Mercedes-Benz 280TE - Waiting for heart surgery.

1985 Mercedes-Benz 300TDT - Rear ended 23 September 2016 and now looking for a new home.

1979 Mercedes-Benz 300TD - Parted out.

1964 Volkswgen Beetle - Vater's since September 1968 and undergoing a restoration.

1971 Volkswagen Sunroof Squareback with F.I. - in need of full restoration.

1971 Volkswagen Squareback automatic with F.I. - Vacationing with her caretaker until he is in better health.

You can use a stainless steel pipe or any metal pipe to replace that plastic pipe. By doing so, you will be able to put a clamp on the rubber fittings to reduce leaking.

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'85 300D Cal 280,000 miles
'14 GLK 350 60000 miles

I second that. I used 3/8" steel fuel tubing to run from the "rubber T" to the "air filter oil drain tube" (on 1982 engine I installed, you won't have). The 3/8"D wasn't optimal and I had to use a little rubber hose as a bushing to size it up, but I had the tube on hand and it works. As mentioned, I used hose clamps so no dribbling.

The part in the links appears to be nylon tubing, from the rippled fitting at the air filter. I don't recall my original being like that, but could have been. Nylon is commonly used as fuel tubing on cars today, but not usually in that large a diameter. You can buy smaller diameters at auto parts stores. Check on ebay for the size needed. You usually heat the end in boiling water, then force it over the ripples on the fitting.

Many folks are not aware that most decent-sized towns will have a Parker fittings store or sometimes a Swagelok dealer. They will have all sorts of lab-quality fittings, hose, etc. and can fix you right up. Take the part you need to go from and the part that you need to go to and give them the length in between and they can gin something up for you that will be of highest quality and dependable for many years to come.

A couple of pages back in my build thread is a pic of what I did with my valve cover fitting. As I'm building a race truck I'm just sending mine to a vent but you can make a similar system to replace the stock system if you want to.

Dan