loose wastegate?
I took my turbo off my car today in preparation to install a TurboTony downpipe. while i had it off, i inspected it. I noticed that the little disk on the wastgate (the actual part that holds against the wastegate port) was real loose and that i could spin it around with it supposedly fully closed. I went ahead and tightened up the rod on the wastegate until it seemed to fully seat in place. I never heard it rattle or anything, but this just didn't seem right.
Did I screw this up? Also, i tightened it up by spinning the rod itself, and it did spin inside the wastegate. It never occurred to me as a problem until i read on here not to do that. Did i just screw up? Thanks, Trent |
I'm pretty sure you do not want to spin the rod inside the wastegate. You want to tighten the rod by adjusting the bolt that attaches to the flapper arm.
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well, unfortunately, that ship has sailed.
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hehe, sorry I didn't read you already knew that. Well, I guess the only thing to do is to give her a little boost:bigtu: Just watch your boost gauge.
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well, if it matters, it spun freely. it didn't bind or feel like i broke anything inside of it. I have no idea what black magic occurs inside of a wastegate actuator to make it do what it does, but i can't imagine i screwed it up THAT bad.
anyone have any comments to the first part of the post? is that little disk supposed to sit snug? I can't imagine why it would need to be a little loose. :shrug: |
If it is loose i would assume that it is leaking which means you won't build boost as fast as you could.
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that was my logic. I figured i would want that sucker CLOSED until the wastegate opened it.
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Yep, that is actually a benefit of electronic boost control, it will hold the wastegate shut until you reach a preset boost value instead of allowing the wastegate to open slowly as boost increases.
Hope the wastegate is ok after turning the actuator rod. I have no experience with internal gates. |
well, we'll see soon enough. i'm going to remove my MBC and run directly off the wastegate actuator. If I see I'm making more than about 6-8 psi, i'll back off. Then i'll start cussing.
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you will probably be making less than 6-8 psi. if the WG if fuxxord GL man
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