Thread: 98 E300 delivery valve seals
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Old 02-11-2010, 02:08 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
The hard starts is usually an air leak from an oring at one of the fuel lines. If the DV seals are bad you ought to see fuel on top of the IP leaking out.....

About the only one that will stop a running engine would be the oring beneath the rim of the pre-filter. If you recently replaced the pre-filter, check to see that you reinstalled that oring. You wouldn't be the first person to have indavertently thown it away.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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