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The flaps can be badly crudded up from exhaust gases due to the EGR. After I disabled my EGR valve, I removed the manifold and crossover pipe (to replace a glow plug) and was amazed at how dirty it was. No wonder the PO had to have the dealer replace a resonance flap at least once over the years!
I have another glow plug to replace (#3 just failed) as soon as the new one arrives and expect to find a much cleaner set of pipes when I get inside.
Jeremy
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"Buster" in the '95
Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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