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Old 03-05-2013, 05:50 PM   #1
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Default Broken Tube in Front of Supercharger???

I changed my supercharger oil and noticed that this small tube that always hampers my access to the supercharger opening had broken off where it attaches on the right side... it was still in position so I wouldn't have even noticed if I hadn't been pushing it around a little. What is it and is it easy to replace myself?
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Old 03-06-2013, 08:47 AM   #2
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Hmm, this one might be a little hard to replace because the piece that broke off, is still probably stuck inside the rubber fitting. Digging it out may damage it more, but if you can remove the broken piece, you should be able to just insert the other piece back in.
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Old 03-06-2013, 09:30 AM   #3
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I will have to look at mine tonight, but I think that is a vacuum line ... perhaps the one that feeds the boost control actuator. Is your car idling a little rough? Are you getting lower boost than normal?

If that is a hard plastic line (and I think it is) I wouldn't try to patch it. On a 2000 MY car it has probably gone brittle and will break again in another spot. Find out where it attaches on both ends and replace it with a rubber vacuum hose (available from any auto parts store).

That is, or course, if my assumption this is a vacuum hose is correct. I will take a look at mine tonight, but I am pretty sure that is what it is.

By the way, pull that black plastic engine cover off and put it away somewhere. Your engine will cool more efficiently without it. You have to take it off anyway to see where this vacuum line goes.
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Old 03-06-2013, 09:42 AM   #4
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Roy, its actually a boost/vacuum line. It feeds into the FPR and the boost bypass valve.

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Old 03-06-2013, 09:45 AM   #5
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It'* a vacuum line that goes from your MAP sensor to your fuel pressure regulator to your boost control valve. You can fix it yourself by sliding a slightly larger rubber vacuum hose over it, or you can replace it by ordering from your local GM parts guy.

I actually just ordered that piece myself because mine has broken so many times it isn't funny and I got tired of rednecking it. $45 if I remember correctly.

With that hose broken you should get a CEL for your MAP sensor and no boost value on your boost gauge.
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Old 03-06-2013, 10:21 AM   #6
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Uhhhm ... didn't I say it controlled the boost control actuator?
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Old 03-06-2013, 10:24 AM   #7
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I think you did. Why, what did you think you said?
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Old 03-06-2013, 03:26 PM   #8
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Thanks guys! My car definitely hasn't been acting right, so good to know this could be why I'll try a rubber one...
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Old 03-06-2013, 05:34 PM   #9
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Originally Posted by 2000Supercharged View Post
Thanks guys! My car definitely hasn't been acting right, so good to know this could be why I'll try a rubber one...

No doubt if that hose is broken your car will not run right. Like I said, rough idle and low boost for sure. Did I mention you should get rid of the engine cover?
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