Introduction
The model presented is a Honda Civic VIII - 2.2 i-CDTi 16V 140cv
We will clean the EGR valve with brake cleaner. The valve gets dirty because the exhaust gases leave a deposit on the pipes.
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Open the hood
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Remove the engine cover by unscrewing the 4 screws (10 socket)
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Locate the EGR valve
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x2 bolts (the other is below symmetrically to the intake duct) (12 socket)
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(intake duct)
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x2 long screws (12 socket)
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x2 screws (12 socket) the other is next to it symmetrically
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The 2 screws below are accessible but it is difficult to turn the ratchet if it is too large.
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In the box there are other nuts but they are not part of the disassembly, there are only 2 nuts to disassemble.
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Disconnect the hose (just pull on it)
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Remove the valve from the engine, paying attention to the gasket if you are not replacing it.
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Use gasoline or brake cleaner for cleaning
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Only clean the inside of the ducts
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Do not put any product on the valve head (gray part)
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Use a vacuum cleaner to prevent dirt from going into the intake!
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Do NOT spray brake cleaner directly into the lines!
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Use a flat screwdriver to scrape (without forcing so as not to scratch anything) and the vacuum cleaner at the same time
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Use paper towel soaked in brake cleaner
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Use your fingers to remove as much as possible (use latex gloves)
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Before
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After
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Proceed with reassembly after clean joint support surfaces!
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Replace gaskets if necessary
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There is nothing complicated, the most difficult part is accessing the screws and nuts. The more the EGR valve gets dirty, the more likely it is to break down. A good cleaning for around ten euros will avoid big expenses later.
There is nothing complicated, the most difficult part is accessing the screws and nuts. The more the EGR valve gets dirty, the more likely it is to break down. A good cleaning for around ten euros will avoid big expenses later.
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18 Comments
Hello and thank you very much for this great tutorial, very simple and effective. However, I have a problem, I can't unscrew the 2 screws located under the EGR valve. I forced as hard as I could, but it doesn't move. The others were hard, but not that hard. I tried with penetrating oil but nothing works. Do you have any ideas?? Thanks in advance :)
At the top, I followed your topic to the letter and I was able to clean my EGR valve in 1h30. It was dirtier than yours. Thank you very much
Thanks for this tutorial!
Small ratchet wrench recommended.
My civic: 2008 169,000 km (without FAP) the engine side duct was almost blocked.
Operation carried out in 1h30 including cleaning, taking your time.
Thank you for this very clear tutorial, I managed to clean my EGR valve which was very dirty after 140,000 km...
The orange bolts located under the valve are very difficult to access but with a bit of patience and cunning you can get there.
Hello, thank you for this tutorial which helped me a lot to dismantle the EGR valve, just for info, on my Frv I dismantled the casing then the crossbar which are above the radiators, it greatly facilitates access to the lower screws of the conduits under the valve, this bar is fixed by 4 screws + 6 screws of the radiator fixing brackets.
