Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

Think I found my leak

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Old Mar 5, 2004 | 11:18 AM
  #1  
BlackCat's Avatar
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RIP '98 Maxima SE
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Think I found my leak

I found a crack in a corner of the plastic flange where the cross over tube meets the MAF sensor. I highlighted in red the bolt where the crack occurred. I obviously overtightened that bolt and the corner cracked. The other corners are fine though and the little rubber O ring is still there. I always see 15 HG in vacuum in normal driving and 20 HG in after I boost. After boosting the needle falls back to 15.

Anybody had this happen to them? Whats the fix for this?

Old Mar 5, 2004 | 12:00 PM
  #2  
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Originally Posted by BlackCat
I found a crack in a corner of the plastic flange where the cross over tube meets the MAF sensor. I highlighted in red the bolt where the crack occurred. I obviously overtightened that bolt and the corner cracked. The other corners are fine though and the little rubber O ring is still there. I always see 15 HG in vacuum in normal driving and 20 HG in after I boost. After boosting the needle falls back to 15.

Anybody had this happen to them? Whats the fix for this?

well i had been leaking some air from where the maf meets up with the cross over pipping on the side nearest the batterey . i dont know if this is your problem or not but i just put a piece of rubber like something you would open a jar with just as a quick fix . maybe that might help you at...
Old Mar 5, 2004 | 12:02 PM
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try some silicone to seal off any leaks...the o ring should be able to hold the the vaccum.
Old Mar 5, 2004 | 12:17 PM
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Silicone sounds like a good fix. I'll give that a try and see if that makes a difference.
Thanks maxlinegtr!
Old Mar 5, 2004 | 12:59 PM
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check your your O ring cuz that is where it should seal up. trust me that would be your problem, if u don't have the oring placed on the side of the of the MAF...u will have a leak, it may pop out of place when tightening. I had that happen b4. pay full attention to it.
good luck
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