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Bomber209 · Jun 6th, 2012, 11:41

Hi; I'm assuming these are on the Intake Manifold. I had a Merc ML 270 CDI with similar. Check that the actuator is not seized and operates with 12v supply before re-connecting or you'll end up with ECU problems. Also found when I removed Inlet Manifold, someone had been there before me and actually snapped off the flaps/wings. No running problems until Oil started leaking (via EGR) from swirl flap centre shafts.

Jun 6th, 2012, 11:41	#5
Bomber209 ***** Member Last Online: Jan 16th, 2014 15:18 Join Date: Feb 2012 Location: Aberdeen	Swirl Flaps Hi; I'm assuming these are on the Intake Manifold. I had a Merc ML 270 CDI with similar. Check that the actuator is not seized and operates with 12v supply before re-connecting or you'll end up with ECU problems. Also found when I removed Inlet Manifold, someone had been there before me and actually snapped off the flaps/wings. No running problems until Oil started leaking (via EGR) from swirl flap centre shafts.