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Old 02-03-2012, 03:54 PM
rocky raccoon rocky raccoon is offline
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Join Date: Oct 2007
Location: Greater Metropolitan Beaverdam VA
Posts: 2,241
Thermo-Vac valve

On my OM617 engine (300CD) the thermo-vacuum valve is replaced by a brass pipe plug.

I also installed an EGR Delete Kit that removed the EGR valve, blocked off intake and exhaust with custom-made plates and gaskets and removed all associated vacuum lines. I think the cost of the kit was about $15.

The car runs smoother and cleaner now with less soot buildup.
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