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Hi guys so yesterday I took off my engine cover and now one of the bolt holes has like a vacuum/suction coming from the hole? It was cause my car
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10-22-2017, 01:10 PM
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#1 (permalink) |
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Base Member
Join Date: Jul 2014
Location: Nellis Afb
Posts: 39
Drives: 370z
Rep Power: 11  |
Removed engine cover now have vacuum?
Hi guys so yesterday I took off my engine cover and now one of the bolt holes has like a vacuum/suction coming from the hole? It was cause my car to idle high. It’s the bolt hole where is says v6 on the engine cover. I just put the screw back into the hole and it went away?
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10-24-2017, 07:12 PM
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#3 (permalink) |
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Enthusiast Member
Join Date: Dec 2014
Location: Nashville
Posts: 301
Drives: Nissan 370Z Sport
Rep Power: 11 |
Bolt
Lol you probably unscrewed a intake manifold bolt on accident
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Stillen G3, z1 Intake Manifold, Stillen Headers, Z1 HFC's, Stillen Catback. 330whp 267 ft- lbs tuned at Z1 motorsports. |
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10-26-2017, 12:47 PM
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#4 (permalink) |
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Base Member
 
Join Date: Aug 2016
Location: Winnipeg
Posts: 89
Drives: 2009 370Z Touring
Rep Power: 702  |
this literally makes no sense at all lol.
If you remove the engine cover it won't effect any Intake systems. the engine cover threads into the manifold but on sections that are not connected to the intake. If you are getting suction from something and you car is idling high, then you disconnected something not related to the engine cover. I also sense this could be a troll just looking to fire some fun out there?
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2009 370z M/T - straight pipe cut outs / motordyne test pipes & intake manifold / K&N typhoon intake / ACT stage 2 race clutch & flywheel / ZEX wet nitrous / UpRev tune / stillen race oil cooler / 317 WHP N/A - 381 WHP with ZEX www.youtube.com/danialk ///\\\///\\\ Follow me on Instagram @dankobra |
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10-26-2017, 03:43 PM
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#5 (permalink) |
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Base Member
Join Date: Oct 2015
Location: Dawsonville, GA
Posts: 88
Drives: '98 200sx; '09 G37x
Rep Power: 10 |
I have seen a similar thread I think on this forum and the G37 forum. It happens when the bolt gets over-tightened and slightly cracks the intake manifold. When the bolt is out it pulls a vacuum due to the crack.
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2009 G37X | 326 AWHP | 264 AWTQ |
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10-26-2017, 08:14 PM
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#6 (permalink) |
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Base Member
Join Date: Jul 2014
Location: Nellis Afb
Posts: 39
Drives: 370z
Rep Power: 11 |
Tbh I don’t see how it makes no sense? Like zero99 said it was due to over-tightening so putting the screw back in fixed the problem but wanted to see if anyone knew what happen because at the time I was clueless? 😂😂
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10-26-2017, 10:57 PM
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#7 (permalink) | |
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A True Z Fanatic
Join Date: Oct 2014
Location: socal
Posts: 1,108
Drives: 370z
Rep Power: 13435 |
if there was a crack, it will eventually leak again over time.
Quote:
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