W115 220 - Intake Leak - Mercedes-Benz Forum

 
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post #1 of 7 (permalink) Old 11-14-2011, 12:12 AM Thread Starter
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W115 220 - Intake Leak

I have discovered a leak from the carburetor/intake flange. It is almost impossible to see, I discovered it only while spraying around.

I have been unable to locate this part in the EPC and have had no luck in the aftermarket either. The part # on the rubber flange is "115 0/1 0568". I have been unable to cross-reference this.

I have posted a picture below. Can anyone identify the correct name/part number for this gasket/flange?


- Steve
1989 560SEC AMG Euro / 1990 300SE Euro / 1991 500SL Japan / 1997 S500 USA
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post #2 of 7 (permalink) Old 11-14-2011, 03:30 AM
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The part number is 1150710568, the slash is a 7.

It might be replaced by 1020711368.
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post #3 of 7 (permalink) Old 11-14-2011, 11:24 AM Thread Starter
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Excellent!

Thank you very much. I was worried I would not be able to find this part.

It is impossible to get a good carb tune with this leak.

I was able to order this part with the number provided, it was only $32 from BMV Auto Parts here in Richmond / Vancouver.

- Steve
1989 560SEC AMG Euro / 1990 300SE Euro / 1991 500SL Japan / 1997 S500 USA

Last edited by cyberdyne; 11-14-2011 at 04:13 PM.
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post #4 of 7 (permalink) Old 11-28-2011, 03:56 PM Thread Starter
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The plot thickens......

I ordered a part to replace #115 071 0568 and was given #115 071 0268.
It is also marked (in pen) on the part #115 071 0568

This does not look like the part I removed. I went back into the EPC and came up with another number #102 071 1368 as mentioned above.

All these part numbers seem to cross-reference (or are replaced) by 115 071 0268 but this cannot be correct unless I am missing something else?

I have attached a couple pictures as examples of the differences in the "same" part.

Old part looks like this;


Found another part with the part #102 071 1368


New part looks like this and does not contain any metal


Needless to say, the "new" part does not fit.

Am I missing something here? Is there a way to install this new piece or do I need to exchange it for yet another part?

I'm lost! Help!

- Steve
1989 560SEC AMG Euro / 1990 300SE Euro / 1991 500SL Japan / 1997 S500 USA

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post #5 of 7 (permalink) Old 11-29-2011, 08:50 AM
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From what I can see in the EPC (but without VIN and engine number) 1020711368 is the valid current part number. 1150710268 is replaced by 1020711368. It looks like it is only the rubber, perhaps the metal parts were sold seperately before.
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post #6 of 7 (permalink) Old 11-29-2011, 10:41 AM Thread Starter
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If it helps my VIN is 115.010-12-084143

What I have discovered in my searching is that the second replacment mount (with the extra stud on the side) is the correct part but must be modified for this application by cutting the area with the stud off.


- Steve
1989 560SEC AMG Euro / 1990 300SE Euro / 1991 500SL Japan / 1997 S500 USA
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post #7 of 7 (permalink) Old 11-30-2011, 10:22 PM Thread Starter
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Mystery solved!

102 071 1368 is the correct part however it must be modified as noted in the illustration above. It will not clear the shield plate with the extra tab intact.

The gasket between this part and the carburetor must also be made from gasket paper as it is NLA. I replaced all the gaskets in the intake assembly and have tested with spray and found no leaks.

I have refit the carburetor and reconnected all hoses. It is running again but requires tuning.

Does anyone have a good guide on tuning these Stromberg carbs?

- Steve
1989 560SEC AMG Euro / 1990 300SE Euro / 1991 500SL Japan / 1997 S500 USA
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