How do you check the EDS without the special gizmos?
LarryT
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--------------------------------------------------
From: "Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC,53310"
<meade.m.dil...@navy.mil>
Sent: Wednesday, October 14, 2009 10:45 AM
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Subject: Re: [MBZ] W124 Motor Mounts & Related Problems
I actually tackle the DV's as a 3rd or 4th step, last step would be pull
all the injectors for cleaning/testing/balancing. Valve adjustment /
EDS check is first, then look for air leaks, maybe fuel filters and
treat for water in the tank or a diesel purge treatment, then try to
narrow it down to a particular cylinder or two, and then start things
like swapping injectors.
Ah, forgot that one! You can swap around a DV to see if it is the cause
of a rough idle.
Max
-----Original Message-----
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of harry watkins
Sent: Wednesday, October 14, 2009 10:40 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] W124 Motor Mounts & Related Problems
Thanks Max, sounds like it boils down to a last resort thing. If
nothing else cures the problem, maybe a DV upgrade will. I've redone
them on two SDLs and a 300TD because they were leaking externally.
The last SDL was a learning experience, the wife was at a friends house
and it would not start. To make a VERY long story short, it turns out
that a low fuel tank level + leaking DVs + sloping driveway equals to
air in the fuel system.
Harry
:
Harry,
Rough idle can be caused by internal leak at copper washer OR by worn
elements inside the delivery valve. I suspect that you really have to
know what you are looking for to identify worn elements inside the DV;
new DV are pricey, but for the novice a strategy may be to purchase
one and use it for comparison purposes? Obviously there are other
causes for rough idle that also need to be investigated (fuel filters,
air leaks, bad injectors, carbon in pre-chambers, valve adjustment on
older engines, EDS problems on newer engines, compression, etc.)
Max
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