Cleaning EGR ports: the right way

[Mishakol129]

I was just cleaning my intake manifold when I noticed these EGR port holes in the same place. Now I have cleaned the EGR ports in the recent past but I never knew anything about cleaning these passages which go from the EGR system itself into the intake manifold. It pretty much defeats the purpose of cleaning the ports if you don't clean these passages too to make sure they're free to do their jobs. So I took a hangar and poked at it, then I took this pic,




To clean them best as possible and make sure they worked, I soaked them with carb cleaner first and then purple power by filling up EGR valve opening. I let it soak for 5 or 10 minutes. I did this several times and then used a water from a hose to clean it out. I made sure that I got a strong flow of water from all of the EGR openings. I did this until the cleaner stopped being black which told me it was finally clean.

Just make sure that you get a strong flow of water out of the holes. That means the system can work very proficiently now.


It was fun, you might be surprised at how much cleaner you can get it by doing this.


After 300,000 miles, mine was naaasty.

[wed3k]

oh it's there.

[Mishakol129]

oh it's there.

I never noticed it before. There was so much tar stuck in the passages last time I cleaned them, couldn't even see them.

[Nyne521]

Well engine degreaser probably wasn't the smartest choice i would have used carb n choke cleaner.

[Mishakol129]

Well engine degreaser probably wasn't the smartest choice i would have used carb n choke cleaner.

didn't have any, gonna get some tomorrow

[Bad_dude]

You have to take the intake manifold off to do this job? Or could you just leave it on and clean it?

[Mishakol129]

You have to take the intake manifold off to do this job? Or could you just leave it on and clean it?

Most people leave it on but I think to clean it the best you may wanna do what I did. Cleaning out just those little ports from the top I think doesn't do the best job. You wanna see if water/cleaner flows from the EGR valve into the holes leading to the intake chamber (see pic). The way I proscribe makes sure the holes - and even the complete system itself - is completely clean and free to do its job at 100% efficiency.

[ferenza]

I did mine with the car on , egr off .Revved the motor to 1500 rpm steady and sprayed carb cleaner down the passage.I havent had that stumbling problem since

[Bad_dude]

I did mine with the car on , egr off .Revved the motor to 1500 rpm steady and sprayed carb cleaner down the passage.I havent had that stumbling problem since

I cleaned the passages on the top and the ones in the EGR valves but individually. How long did it take you to clean off the passages? How did you know they were cleared? Any engine choke cut off while cleaning?
Thanks.

[accordztech]

I was just cleaning my intake manifold when I noticed these EGR port holes in the same place. Now I have cleaned the EGR ports in the recent past but I never knew anything about cleaning these passages which go from the EGR system itself into the intake manifold. It pretty much defeats the purpose of cleaning the ports if you don't clean these passages too to make sure they're free to do their jobs. So I took a hangar and poked at it, then I took this pic,




To clean them best as possible and make sure they worked, I soaked them with carb cleaner first and then purple power by filling up EGR valve opening. I let it soak for 5 or 10 minutes. I did this several times and then used a water from a hose to clean it out. I made sure that I got a strong flow of water from all of the EGR openings. I did this until the cleaner stopped being black which told me it was finally clean.

Just make sure that you get a strong flow of water out of the holes. That means the system can work very proficiently now.


It was fun, you might be surprised at how much cleaner you can get it by doing this.


After 300,000 miles, mine was naaasty.

I dont even know what I am looking at

[wed3k]

ive actually tried to do this before drilling the egr plugs out and it had no effect on my emissions testing.

so im not too sure if id consider this the "right" way because there's serviceable plugs for a reason.

[Mishakol129]

I dont even know what I am looking at

Its the EGR (Exhaust Gas Resurculation) hole going from the egr system into the intake manifold. It where the exhaust gases go back into the combustion chamber.

[Mishakol129]

ive actually tried to do this before drilling the egr plugs out and it had no effect on my emissions testing.

so im not too sure if id consider this the "right" way because there's serviceable plugs for a reason.

Yeah, you maybe right but I think if you want it extra clean, you let it soak in some cleaner and then wash it all out.

[accordztech]

Its the EGR (Exhaust Gas Resurculation) hole going from the egr system into the intake manifold. It where the exhaust gases go back into the combustion chamber.

So why would he have to clean the ports from inside the manifold, when cleaning it from up top works just fine? Unless he isnt even cleaning them from up top, meaning he can even have another clot somewhere else...

[wed3k]

what you really need to do is take the plug out the side and run a drill bit or brush through the side. this cleans the entire passage.