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Starting my intake manifold replacement. Wish me luck guys!
So i've got the infamous DTC 0521 / P2004 "The charge movement flap (cylinder bank 1) has a malfunction" along with multiple misfires, rough idling, poor acceleration... Got a Pierburg shipping from FCP. Time to open her up. Hope i don't screw up.. Anything else I should do while I'm at it? Tips??
Good luck man, I`m always in between for this job, part of me says you can do it, part of me like naaahh, I have a 272 and 273 engines at the moment both are about 140K miles and ok at the moment but I know sooner or later I will have to do it.
I saw a very detailed video a few weeks ago that boosted my confidence.
Only tip I can say is the new holes on the intake manifold will be self tapping, everybody says you need to be careful at that part.
Good luck and keep us posted.
So i've got the infamous DTC 0521 / P2004 "The charge movement flap (cylinder bank 1) has a malfunction" along with multiple misfires, rough idling, poor acceleration... Got a Pierburg shipping from FCP. Time to open her up. Hope i don't screw up.. Anything else I should do while I'm at it? Tips??
Good luck man, I`m always in between for this job, part of me says you can do it, part of me like naaahh, I have a 272 and 273 engines at the moment both are about 140K miles and ok at the moment but I know sooner or later I will have to do it.
I saw a very detailed video a few weeks ago that boosted my confidence.
Only tip I can say is the new holes on the intake manifold will be self tapping, everybody says you need to be careful at that part.
Good luck and keep us posted.
Good luck! Agree, quite a job, hope everything goes out smoothly : )
I noticed you disconnected and removed the complete ecu from the top of the manifold. Some of the videos I watched on YT detailing the repair procedure, especially the one from FCP Euro, had just the passenger side disconnected while the driver side remained connected and the ecu resting near the firewall out of the way. I believe MB also recommends it being done this way as well.
I noticed you disconnected and removed the complete ecu from the top of the manifold. Some of the videos I watched on YT detailing the repair procedure, especially the one from FCP Euro, had just the passenger side disconnected while the driver side remained connected and the ecu resting near the firewall out of the way. I believe MB also recommends it being done this way as well.
This is the one I'm following. He mentioned in the comments that he removed the ECU many times on this repair with no issues. I did disconnect the battery before I disconnected the ECU if they even matters but we'll see once I have everything put back together.
Good luck man, I`m always in between for this job, part of me says you can do it, part of me like naaahh, I have a 272 and 273 engines at the moment both are about 140K miles and ok at the moment but I know sooner or later I will have to do it.
I saw a very detailed video a few weeks ago that boosted my confidence.
Only tip I can say is the new holes on the intake manifold will be self tapping, everybody says you need to be careful at that part.
Good luck and keep us posted.
Hope I don't jinx you but my W212 was exactly 140k when I got this problem. lol
This is the one I'm following. He mentioned in the comments that he removed the ECU many times on this repair with no issues. I did disconnect the battery before I disconnected the ECU if they even matters but we'll see once I have everything put back together. https://www.youtube.com/watch?v=6H28pxrfs2c&t=657s
Yeap, this was the video I was talking about, this guy is really good and going thru all the details, gave me confidence that I can deal with it.
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