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#2
01-11-2009, 07:46 AM
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There are two small O-Rings between the EHA and the mount. Get them and change them, pretty easy actually.
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Regards Warren Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL ENTER > = (HP RPN) Not part of the in-crowd since 1952. 
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#3
01-11-2009, 09:42 AM
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Just helped a friend with his 91 190E 2.3 yesterday.
EHA was leaking, we installed new o rings, and it still leaked. Grabbed another from a parts car, and that cured it. Looked like the case was cracked on the original one. Be careful not to drop the fasteners...  Jim
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14 E250 BlueTEC black. 45k miles 95 E320 Cabriolet Emerald green 66k miles 94 E320 Cabriolet Emerald green 152k miles 85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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#4
01-11-2009, 05:13 PM
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Yes, first replace the O-rings and go from there. Two bolts and the thing comes off. Try to do it when the car has not been used overnight as the fuel will shoot out like a volcano if you have driven it recently.
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2016 Monsoon Gray Audi Allroad - 21k 2008 Black Mercedes E350 4Matic Sport - 131k 2014 Jeep Wranger Unlimited Sahara - 62k 2003 Gray Mercedes ML350 - 122k
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#5
01-12-2009, 07:40 AM
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J.H., I presume you're smelling gas under the hood and the leaking EHA valve is the source. By all means try replacing the two green O-rings; however, I suspect the plastic case is cracked and you will need to replace the EHA valve. That was my experience with a 1991 300CE. New EHA valves are quite expensive so you may want to search online for new, or take a chance on a salvaged one.
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Fred Hoelzle
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#7
01-12-2009, 08:00 PM
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The thing is that...
I do not smell gas, do not have any driveability problems, the car behaves great. The only reason I am asking is because of how it looks after removing the air filter assembly. Well, let me add another twist to it. Take a look at the idle control valve and tell me what you think ( I already replace it just in case).
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J.H. '86 300E
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#8
01-13-2009, 06:52 AM
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J.H., since you don't smell gas from the EHA I would clean it thoroughly and inspect it in a few weeks ... same for the idle control valve. It's normally best to leave well enough alone if things are working properly.
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Fred Hoelzle
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