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VL Commodore

Injector 0 rings not sealing

Started by Fresh_VL · 10 Oct 2012 · 3 replies

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Fresh_VLArchived member
Anyone else experienced this problem? I'm running an aftermarket rail with 14mm injectors and i had an air leak coming from an injector, pulled them out and changed o rings and sealed for about a week but now you can wiggle the whole injector up and down a few mm's and when you turn the car off you can hear the air pushing out past the seal, any ideas on how to fix this or why it's doing it in the first place?
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vltrb-0Archived member
Quote: Originally Posted by Fresh_VL [View Post] Anyone else experienced this problem? I'm running an aftermarket rail with 14mm injectors and i had an air leak coming from an injector, pulled them out and changed o rings and sealed for about a week but now you can wiggle the whole injector up and down a few mm's and when you turn the car off you can hear the air pushing out past the seal, any ideas on how to fix this or why it's doing it in the first place? if its an aftermarket rail chances are tolerances being slack leading to a **** seal go to a shop like CBC after you measure with a vernier your clearances then buy specific o-rings for the job while your at it make sure you have the correct arrangement with regards to injectors rail manifold etc
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Fresh_VLArchived member
cheers mate, i assumed it's the seals not fitting properly as the rail only bolts on one way, going to seal imports on friday, basically going to measure the size of the neck of the injector and the size of the hole at manifold and rail and find the tightest fitting o ring i can get for it
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vltrb-0Archived member
make sure you fit them with lubricant as well stops damage to the rings
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