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Thread: external wastegate help needed please !!!!!!!!

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    Guest s14rob's Avatar
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    external wastegate help needed please !!!!!!!!

    Hi , my cars being mapped tomorrow and i have a very annoying problem , my wastegate doesn't seem to be opening and its running silly amounts of boost !! ive had the wastegate off and checked everything and all is how its ment to be ! my boost controller is also now plumbed in properly and the solenoid is working etc . Can anyone think of anything else ? its peeing me right off !!

    Cheers
    Rob

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    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    What wastegate is it?

    I've had problems with the banjo bolts for the fittings coming loose, the wastegate spring seemingly going soft over time and all manner of split/melted hoses...

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    Guest Drifter's Avatar
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    Have you definately got the hoses on the WG the right way round?

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    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    And when you say you've taken the wastegate off and its ok, did you fully disassemble it?

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    Guest s14rob's Avatar
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    lol ive just this second txt you , top of wastegate goes to com on the solenoid and the bottom port is t'd into the vacum which runs from the nipple on my throttle side intercooler pipe , is that correct ?

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    Guest s14rob's Avatar
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    Ben i just openend it and made sure the springs were seated correctly , the rest looked ok

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    Quote Originally Posted by s14rob View Post
    lol ive just this second txt you , top of wastegate goes to com on the solenoid and the bottom port is t'd into the vacum which runs from the nipple on my throttle side intercooler pipe , is that correct ?
    Mobile is 40miles away at home It sounds okay as long we both agree which is the top and bottom Did you check the manual I linked above?

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    Guest s14rob's Avatar
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    Cheers for that scott , where have you guys ran a vaccum from for the nc port on the solenoid ? is my one ok on the intercooler pipe ?

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    Guest s14rob's Avatar
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    Yes mine is the same as the manual , just not sure if my vaccum source is correct ? also the middle port on the wastegate should that be left open or blanked off ? its a tial wastegate

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    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    Mine is on the hot pipe for the intercooler.

    Have you tried it with just the bottom port connected?

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    Guest Drifter's Avatar
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    Mines tee'd into the intercooler hot side piping

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    Guest s14rob's Avatar
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    How do you mean ben ? sorry if that sounds dumb lol

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    Quote Originally Posted by s14rob View Post
    Yes mine is the same as the manual , just not sure if my vaccum source is correct ? also the middle port on the wastegate should that be left open or blanked off ? its a tial wastegate
    All other ports in the WG must be blanked

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    Guest s14rob's Avatar
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    Quote Originally Posted by drifter View Post
    Mines tee'd into the intercooler hot side piping

    Looks like thats where im going wrong ! how the hell can i get round that before tomorrow lol ?????

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    I <3 BBS LM Actual_Ben_Taylor's Avatar
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    Yours must be an MV-R, you need to plug all the unused ports.

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    Quote Originally Posted by s14rob View Post
    Looks like thats where im going wrong ! how the hell can i get round that before tomorrow lol ?????
    Have you blanked the other ports in the WG? Where are you taking the boost source from?

    EDIT, this is getting confusing

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    Apart from the water ones ? dont thing theres any plugs for them

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    Quote Originally Posted by s14rob View Post
    Apart from the water ones ? dont thing theres any plugs for them
    Don't worry about the water ones, just the ports for the vac/boost

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    Guest s14rob's Avatar
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    yes blanked the other port but not the water ones as theres no plugs for them , im running a vaccum from the cold side intercooler pipe to the nc on the boost solenoid and the bottom port on the wastegate is teed into that and the top port on the gate goes to the com on the solenoid

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