datz280 Posted December 2, 2005 Share Posted December 2, 2005 I have a broken Thermal vacuum valve from my 1977 280. Calling the local auto parts and no one caries or can order the part. Does anyone know of a different year Nissan that has a tvv that will work? I need this part to get vacuum to the BPT and EGR to pass smog in California. I was thinking that if I can not find the valve would it be possible to T off of another vacuum line to get vacuum to the EGR. I only need to get the EGR working to pass smog and I do not think a smog station will look to see where the EGR is getting vacuum from, only that it is. Thanks, Mike EDIT: It appears that the Thermo Vacuum Valve is also called a Ported Vacuum Switch. Napa auto parts has two different styles for the 77. This is the one I think I need. http://www.napaonline.com/masterpages/NOLMaster.aspx?PageId=470&LineCode=CRB&PartNumber=229056&Description=Ported+Vacuum+Switch its temp range is 112-118. Quote Link to comment Share on other sites More sharing options...
Tony D Posted December 2, 2005 Share Posted December 2, 2005 You show me a photo, I can look on any number of older removed CA Spec manifolds in the junkpile and tell you what I have laying around, if you are interested in used parts. Quote Link to comment Share on other sites More sharing options...
randy 77zt Posted December 3, 2005 Share Posted December 3, 2005 ford used a bunch of these.the purpose was to keep vacuem off of egr system on a cold engine.the base is common pipe thread.i think i have an old ford part in the garage. Quote Link to comment Share on other sites More sharing options...
datz280 Posted December 3, 2005 Author Share Posted December 3, 2005 Thank you both for your offers. I was able to finally remove the old broken TVV. I also ordered the part from NAPA before seeing your posts. I will post to let you know how it goes with the repair. Mike Quote Link to comment Share on other sites More sharing options...
shift00 Posted August 19, 2008 Share Posted August 19, 2008 what were you able to do about the bpt vavle Quote Link to comment Share on other sites More sharing options...
dskubitz Posted August 19, 2008 Share Posted August 19, 2008 I had the same issue, tried the T off another line method, but the smog place picked up on it right away. they put the lines on the non working thermo valve, and passed it because my NOX was low. Not all shops are the same. Quote Link to comment Share on other sites More sharing options...
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