neo1 Posted February 22, 2005 Share Posted February 22, 2005 Hi all, Does anyone know exactly what this is, i think its the stock vaccum regulator for the wastegates on the turbos ie: controls the boost levels. Not sure as i am not used to Supras as yet. there is a little blue plug that slots into the bottom of it, my one has been disconnected, probably due to an aftermarket boost controller. Am i right about all of this or is this something that is nothing to do with the turbos that SHOULD be plugged back in. At the moment i am leaving it un-plugged as there seem to be no adverse effects. Any help would be good. Sorry, no pics as its in a bloody awkward place to take a photo (sits directly under the front turbo. Link to comment Share on other sites More sharing options...
neo1 Posted February 27, 2005 Author Share Posted February 27, 2005 Hi all, Does anyone know exactly what this is, i think its the stock vaccum regulator for the wastegates on the turbos ie: controls the boost levels. Not sure as i am not used to Supras as yet. there is a little blue plug that slots into the bottom of it, my one has been disconnected, probably due to an aftermarket boost controller. Am i right about all of this or is this something that is nothing to do with the turbos that SHOULD be plugged back in. At the moment i am leaving it un-plugged as there seem to be no adverse effects. Any help would be good. Sorry, no pics as its in a bloody awkward place to take a photo (sits directly under the front turbo. OK, i am sure this is the stock boost control system.... There are two pipes going into it next to each other. If standing at the front of the car looking over the rad, which pipe controls the front turbo and which one for the back ? At the moment they are blocked off as my car has an aftermarket boost control system. I would like to re-connect them so i can remove my boost controller for my SVA on Tuesday. Please help if you know. Link to comment Share on other sites More sharing options...
neo1 Posted February 27, 2005 Author Share Posted February 27, 2005 This is a picture of the block Link to comment Share on other sites More sharing options...
Ian C Posted February 27, 2005 Share Posted February 27, 2005 Indeedy, you are correct, that's the stock wastegate VSV (VSV = Vacuum Switched Valve). If you have an aftermarket boost controller these are taken out of the loop, doesn't matter if it's plugged or unplugged to be honest. -Ian Link to comment Share on other sites More sharing options...
neo1 Posted February 28, 2005 Author Share Posted February 28, 2005 Does anyone know what pipe goes to what turbo wastegate? I have to do this tonight and havent got a clue as i dont own a service manual with the correct diagram in could someone put some arrows on my photo and write the correct attachment to the turbos on it.... I hope you can help. Link to comment Share on other sites More sharing options...
Guest slow dog Posted February 28, 2005 Share Posted February 28, 2005 this one mate hope this helps.................. Link to comment Share on other sites More sharing options...
neo1 Posted February 28, 2005 Author Share Posted February 28, 2005 Ok, getting a bit confused, so where exactly does the blue arrow pipe go and where exactly does the yellow arrow pipe go ? running out of time :s Link to comment Share on other sites More sharing options...
heckler Posted February 28, 2005 Share Posted February 28, 2005 blue goes to an actuator... the yellow is the vaccume (sp) source from the pipes ontop of the turbos Link to comment Share on other sites More sharing options...
neo1 Posted February 28, 2005 Author Share Posted February 28, 2005 I thought there are two actuators :s or are there two of these black controllers on the car.... ie: one for the front turbo and one for the back turbo :s could anyone send me a copy of the service manual pages regarding the turbo vacum control system / and where this control unit figures in the system. [email protected] Link to comment Share on other sites More sharing options...
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