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Flushed radiator, yay. Tried to clean EGR valve, boooo.

 
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Old 01-20-2012, 09:00 PM
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Flushed radiator, yay. Tried to clean EGR valve, boooo.

First on the list today was a coolant flush. I flushed the system with some of the cleaner stuff from the local auto parts store, flushed with water then put new coolant in. No sweat.

Next on the list was to clean and inspect the EGR valve. I watched the YouTube vid a few times, was feeling good about it, looks easy!

Started removing the ignition coil, didn't realize thee were 3 washers btwn the coil and mounting bracket, dropped them all. I found two, there's a third one in there somewhere. Oh well, not a huge deal but that kind of thing irritates me.

Disconnected appropriate wiring, vacuum hose at the EGR valve, now ready to pull it off. I noticed the bolts were rusted so I sprayed them with liquid wrench and let them sit for a while. I came back and got the nut closest to the valve cover off. Halfway there!

Next was the other nut....tough to get to, couldn't really fit a socket on it with an extension because of the EGR valve body and proximity to the nut....and it was probably still just stuck on tightly.

Went with the 12 mm crows foot....mistake. Rounded that sucker off, didn't budge. I sprayed more liquid wrench and let it soak some more, got a socket and tried to hammer it on as best I could, no dice, nut is rounded off. I gave up for the evening.

I'm going first thing in the morning to find something to remove a rounded nut, saw some stuff browsing on google, hopefully I can get it off and move on. Also going to need a replacement nut.

Fail for the day. EGR valve - 1, Me - 0.

For you pros, how did you access it and remove without stripping it?
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Old 01-20-2012, 09:35 PM
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Re: Flushed radiator, yay. Tried to clean EGR valve, boooo.

Pretty sure I used socket -> elbow -> extension.
Cuz I know a socket -> extension, the body of the EGR pushed the extension away to not get a good enough grip on the socket.

Or if it wasn't that, it was an open-ended wrench with another one on the opposite end for more leverage.


But I do agree, taking the EGR off is a huge PITA considering how easily accessible it "looks" to be.




Since the nut is completely rounded off, can you get a vice-grip on there? (I haven't had my 'lude in awhile, cant remember how much clearance there is for tools)
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Old 01-21-2012, 12:29 AM
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Re: Flushed radiator, yay. Tried to clean EGR valve, boooo.

yea I was gonna suggest a vice grip too. good luck with the clearance tho.
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Old 01-21-2012, 03:14 AM
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Re: Flushed radiator, yay. Tried to clean EGR valve, boooo.

Craftsman makes a set of things that remove rounded off bolts and nuts I was pretty stricken by. Saw it at sears.

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Old 01-21-2012, 12:54 PM
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Re: Flushed radiator, yay. Tried to clean EGR valve, boooo.

Yeah I was gonna say get some bolt extractors. Bought them at cheap ass harbor freight tools for like 10 bucks. Only thing that didnt break from there after buying lmao.

Work like a charm, but you need to replace the nut afterwards cuz it cuts into it.
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Old 01-21-2012, 01:38 PM
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Re: Flushed radiator, yay. Tried to clean EGR valve, boooo.

Thanks for the help everyone. I went and got one of those extractor kits from Home Depot and a universal joint......got back and didn't even have to use the kit, the socket on the u joint did the trick! Got the EGR valve off and it was nasty looking:



Cleaned it with carb cleaner and a wire brush and flathead screwdriver :



Pulled the throttlebiody while I was in the to clean it. Butterfly valve was sticking sometimes, had to punch the pedal to get it to go when taking off in 1st:




Not as dirty as I expected. I scrubbed it good, but the butterfly valve is still sticking some. It almost feels like the circumference of the valve is catching on the body of the intake. I may try to tighten my throttle cable just a bit so the valve doesn't close so hard and stick if that's possible. I'll try and see.
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