reed valve replacment
10-21-2007, 04:54 PM
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reed valve replacment
can anyone tell me how to replace the reed valve on my 93 3.0 pickup. i dont know much about toyota engines since i work on vdubs but i dont want to pay 700 bucks to fix it. any pics or help at all will be greatly appreciated. thanks
10-21-2007, 05:03 PM
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reed valve? i thought reed valves were only found on 2-stroke motors, such as dirtbikes/atvs. i'm not sure about that, but i'm sure someone on here will have some kind of info to help ya out...
10-21-2007, 05:08 PM
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Reed Vavle
Actually some of the engines incorporate a reed valve in the Emissions controls , I will follow this thread because I am interested in removing mine as it appears to be part of the EGR function by looking at the routing on my truck , I see that it is vacumn modulated and feeds exhaust gases back to the VAFM housing via hose and hardline under the upper intake and I am in search of its theoretical function in reference to the motors function/emissions use.
10-21-2007, 06:17 PM
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i took it to toyota yesterday and they said i need to replace the reed valve and some hoses. they didnt tell me where it was or anything just that it is what is making a noise
10-21-2007, 06:41 PM
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Its located behind the engine on the passenger side. considering where its located, i would hate to have to take that thing out. Here's more info on it:
http://personal.utulsa.edu/~nathan-b...78pulsedse.pdf
http://personal.utulsa.edu/~nathan-b...78pulsedse.pdf
10-22-2007, 01:16 PM
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Reed Valve
Its located behind the engine on the passenger side. considering where its located, i would hate to have to take that thing out. Here's more info on it:
http://personal.utulsa.edu/~nathan-b...78pulsedse.pdf
http://personal.utulsa.edu/~nathan-b...78pulsedse.pdf
So per the diagram all that thing does is introduce intake air into the exhaust - its a ding dang undercover smog pump lol , so by that its life is short now
Now I just need to identify that smaller line going to the silencer box to see if I can delete that also but trying to trace today it seemed like it goes to the passenger side valve cover like a second PCV , have to verify that because if that is the case the I will delete reed valve but leave smaller hose connected to breather for PCV purposes .
Last edited by n4ynu1010; 10-22-2007 at 02:19 PM.
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