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Proper vacuum line setup for BOV

3113 Views 7 Replies 4 Participants Last post by  lilviper, 
AceGaming
I noticed my BOV is not engaging when I rev the car. I have been told that it is most likely because the vacuum source is not strong enough. I have heard to put the BOV vacuum line the closest to the throttle body, and another person said to T the BOV with tb and brake booster.
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s3*ps2
T it into a line with the TB.
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AceGaming
s3*ps2 said:
T it into a line with the TB.
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Exactly what I was thinking I should do. Thanks!
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AceGaming
s3*ps2 said:
T it into a line with the TB.
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So I did T it off the line from the TB, making it the first thing to T from it, but still sounds the same. I did a vacuum test on the line and it looks great from where it is. Is it something with the BOV itself? It has a standard fin, but further inside it has a purple dot in it.
147843
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AlmightyFork
Factory Vacuum Lines
Font Parallel Rectangle Schematic Diagram


PCM Controlled Boost w/ BOV
Font Parallel Diagram Rectangle Schematic
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lilviper
AceGaming said:
So I did T it off the line from the TB, making it the first thing to T from it, but still sounds the same. I did a vacuum test on the line and it looks great from where it is. Is it something with the BOV itself? It has a standard fin, but further inside it has a purple dot in it. View attachment 147843
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Try hooking a vaccum pump up to the nipple and see if the seat lifts. That valve is kinda yucky.
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AceGaming
lilviper said:
Try hooking a vaccum pump up to the nipple and see if the seat lifts. That valve is kinda yucky.
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The BOV itself could easily be from the first generation of HKS BOV in the mid-2000's, so it could easily just be sticking or not properly engaging. It might be the best option just to buy the newest generation BOV and make sure I buy genuine since this one came on it when I bought the car. I'll let you know what I find.
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lilviper
AceGaming said:
The BOV itself could easily be from the first generation of HKS BOV in the mid-2000's, so it could easily just be sticking or not properly engaging. It might be the best option just to buy the newest generation BOV and make sure I buy genuine since this one came on it when I bought the car. I'll let you know what I find.
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Yes, getting a new one is the easiest way. I run Tial valves, never seem to have a problem with them.

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