Thread: OM603 - engine. What is this part on the exhaust manifold?
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Old 08-18-2014, 09:41 PM
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scottmcphee scottmcphee is offline
1987 w124 300D
  
Join Date: Mar 2008
Location: Edmonton, Canada
Posts: 1,539
That there part is the manifold gunker valve. It opens to allow exhaust fumes to be breathed back in again. Like eating the same food twice...
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Scott McPhee

1987 300D
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