egr system
#1
egr system
i was kinda bored today so i decide to clean my tb becuase my max has been wierd lately very slugish sometimes. i have no codes and no cel. i have cleaned my tb b4 while it was still on the manifold. today i decide to take off the whole tb off and give it a good cleaning. now that the tb is off i am looking inside the manifold and theere is alot of carbon build as i am further looking i see some type of port on the bottom that is clogged and had a lot of build up around it i try to clean it out the hole is rock solid full of build up.so then i decide to remove the iacv to get a better look to see where the port goes to the iacv had a nice amount of build on it the port that is clogged is the one that goes to the egr tube (smaller sized tube).so then i did some searching and found outt that its very common and that you should just clean it up by removing the egr tube so i started unbolting the egr tube and come to find out that there is a cracked metal line that runs from the bottom of the egrc-bpt valve which is coneccted by a small rubber hose. then the metal line runs in to the egr valve. i was looking at the metal line it seems that it got clogged and broke off idk how its very strange. im stuck now idk what to do or what i need do i just leave it how it is broken off and just clean the egr tube or do i need to get a new line and egrc-bpt valve sorry this is very long im just trying to figure it out. trying to do a simple tb cleaning turned into chaos i have no car now.
#4
man. that was hard...
If the small pipe that has the rubber hose connection in the middle is broken, seems to me that you'll need to purchase a new tube...WHERE is it broken??
If you're asking if the pipe is supposed to have the rubber hose there, the answer would be YES.
Now, as to WHY Nissan designed it like that, I wouldn't know except as a means of compensating for NVH and flexing.
If the small pipe that has the rubber hose connection in the middle is broken, seems to me that you'll need to purchase a new tube...WHERE is it broken??
If you're asking if the pipe is supposed to have the rubber hose there, the answer would be YES.
Now, as to WHY Nissan designed it like that, I wouldn't know except as a means of compensating for NVH and flexing.
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