EGR Valve, No Vacuum Hose I was just wondering if the EGR Valve should have a vacuum hose connected to it? If no, how do they work? I took the EGR off my GF son's car to install a Cam Plug but there was no vacuum hose. I gave it a quick clean using a small flat head screwdriver, scraping away any carbon. There seems to be an allen key (female end) down on the round side opening. I've taken apart the EGR on my Prelude and there's a plunger/pintle that moves up and down when suction is applied. |
Re: EGR Valve, No Vacuum Hose I don't believe it has a vacuum line, my 01 does not have an EGR or I would look. It probably works similiar to this; http://repairpal.com/images/managed/...e_01.17.12.png |
Re: EGR Valve, No Vacuum Hose That EGR is all electric, it uses a stepper motor to move the pintle. Do not attempt to take it apart unless you have a backup plan. |
Re: EGR Valve, No Vacuum Hose
Originally Posted by ezone
(Post 4683121)
That EGR is all electric, it uses a stepper motor to move the pintle. Do not attempt to take it apart unless you have a backup plan. As I was cleaning the carbon around the pintle (using a small flat head screwdriver) I accidently turned it maybe 1.5 revolutions. Is there a way to bottom it out/get it back to where it used to be? Because it's electronic, Is it ok to clean it with throttle body cleaner? |
Re: EGR Valve, No Vacuum Hose I accidently turned it maybe 1.5 revolutions. Is there a way to bottom it out/get it back to where it used to be? Is it ok to clean it with throttle body cleaner? |
Re: EGR Valve, No Vacuum Hose
Originally Posted by ezone
(Post 4683199)
The pintle is free to rotate, don't worry about that part. Thanks, that's what I wanted to hear. What part do you plan on cleaning? Pintle area should be ok to clean. The gasket is sealed onto the valve and I know that if I use too much, I'll probably have to replace the gasket. I'll just spray abit of cleaner around the pintle and use a tooth brush. |
Re: EGR Valve, No Vacuum Hose I rarely ever mess with the EGR valves, they rarely have issues. Typical EGR problems are usually related to clogged passages -- away from the EGR valve itself. |
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