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Still Having Problem With My Hks Bov

andy95'R33GTR

By andy95'R33GTR,
in Engines & Forced Induction

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andy95'R33GTR Rising Star

andy95'R33GTR

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guys, how to check the vaccums of the bov if the vaccum is sufficient to pull the valves of the bov? how much pressure should the vaccum be?, i already check my vaccum lines, and i can feel the vaccum pressure when removing the hose, but i don't know if thats enough to open the valves because the valves won't open, i can only open the valves when i push the valves with something, i can feel i need to exert effect on the valves to open it, and i think is springs are heavy?? i have 2 sequence HKS bov install and i can't hear the "pshhhhhh" when changing gears...

please help, thnx

andy

R33 GTR

APEXI air filters

HKS ssq BOV

APEXI SAFC

APEXI AVCR

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adamskill Mentor

adamskill

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guys, how to check the vaccums of the bov if the vaccum is sufficient to pull the valves of the bov? how much pressure should the vaccum be?, i already check my vaccum lines, and i can feel the vaccum pressure when removing the hose, but i don't know if thats enough to open the valves because the valves won't open, i can only open the valves when i push the valves with something, i can feel i need to exert effect on the valves to open it, and i think is springs are heavy?? i have 2 sequence HKS bov install and i can't hear the "pshhhhhh" when changing gears...

please help, thnx

andy

R33 GTR

APEXI air filters

HKS ssq BOV

APEXI SAFC

APEXI AVCR

hav u tried driving the car, or have u just poked the bov with a stick? maybe the springs are too hard, but if they came with the bov they should vent at some point. how much boost are u running? maybe its a sign to put the plumb back stockers back on, and move on to actual modifications.

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andy95'R33GTR Rising Star

andy95'R33GTR

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the bov came with the car from japan, im jealous hearing some stock evo's here venting there bov valves with a loud sound, i tried reving it when the car is in neutral, and also tried it running, it should should open right? i need to open my bov now...il take a picture later...when i push the valves, i think the springn is really hard, im running .8 stock boost... i don't have the stock bov already...as the bov came with the car

Edited by andy95'R33GTR
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mr 32 Grand Master

mr 32

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i have the same set and never had a problem with them on stock boost

are there any spilts in the vac hose going to them?

dont forget to check the feed coming fromt he engine bay from under the plenum

there might be a chance they are rusted shut, give them a good clean dont use wd40 as it will eat the rubber gaskets

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mr 32 Grand Master

mr 32

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the only vid online at the moment is on youtube seach sau nsw drag day mr 32.

these blow off valves are farken loud, you will here them when they open.

this is under the plenum you can see the line marked BOV it goes to a nipple next to the intercooler hose

IMG_1360.jpg

you can just see the nipple here to the right of the inthercooler pipe opening

IMG_1438.jpg

the other side joins the nipple and goes to the bovs just make sure you check the air filters for the bovs aswell

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adamskill Mentor

adamskill

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the bov came with the car from japan, im jealous hearing some stock evo's here venting there bov valves with a loud sound, i tried reving it when the car is in neutral, and also tried it running, it should should open right? i need to open my bov now...il take a picture later...when i push the valves, i think the springn is really hard, im running .8 stock boost... i don't have the stock bov already...as the bov came with the car

mate i dont want to sound rude, but have u even driven the car? you wont get the shit noise your after by simply reving it in neutral. why do you need to open you bov now? if it REALLY worries you, take it to your mechanic :/

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