Help - new FI HFC leaking at gaskets on exhaust side

HapaZ · 03-25-2015, 11:47 AM

I believe I am battling a similar issue - could you hear the leaks in the cabin while revving? Say like above 4k?

37zeroZ · 03-25-2015, 10:03 PM

Quote:

Originally Posted by HapaZ

I believe I am battling a similar issue - could you hear the leaks in the cabin while revving? Say like above 4k?

Unless you have a huge gash in your exhaust, I doubt so. Just look at your flanges while in neutral and have someone press the accelerator.

InnerDragon10 · 03-29-2015, 03:55 PM

Spent Saturday taking it all apart, cleaned flanges with a Dremel wire wheel, and permatex'd the sh*t out of everything. Took a reading today after running errands (pic below).

Now we wait.

After driving today. A permanent code was still stored in the ecu for run lean condition, and that has since disappeared (something i learned: you can't erase permanent codes, only your ecu can determine if the issue is resolved)

DavidZ370 · 03-29-2015, 04:02 PM

permatex=poop in my experience, my berks where also leaking with permatex until I got some damn legit gaskets... no more leaks or codes 7k

InnerDragon10 · 03-29-2015, 04:11 PM

Yea Dave I've got both gaskets and the permatex on there. Hoping the permatex will help seal up imperfections.

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03-25-2015, 11:47 AM	#16 (permalink)
HapaZ Base Member Join Date: Sep 2014 Location: NorCal Posts: 242 Drives: 2012 370z Base Coupe Rep Power: 10	I believe I am battling a similar issue - could you hear the leaks in the cabin while revving? Say like above 4k?

03-29-2015, 03:55 PM	#18 (permalink)
InnerDragon10 Base Member Join Date: Mar 2014 Location: USA Posts: 90 Drives: '14 Black 370Z Nismo Rep Power: 11	Spent Saturday taking it all apart, cleaned flanges with a Dremel wire wheel, and permatex'd the sh*t out of everything. Took a reading today after running errands (pic below). Now we wait. After driving today. A permanent code was still stored in the ecu for run lean condition, and that has since disappeared (something i learned: you can't erase permanent codes, only your ecu can determine if the issue is resolved)

03-29-2015, 04:02 PM	#19 (permalink)
DavidZ370 A True Z Fanatic Join Date: Oct 2013 Location: [= Posts: 1,065 Drives: 17' CWP STI Rep Power: 22	permatex=poop in my experience, my berks where also leaking with permatex until I got some damn legit gaskets... no more leaks or codes 7k

03-29-2015, 04:11 PM	#20 (permalink)
InnerDragon10 Base Member Join Date: Mar 2014 Location: USA Posts: 90 Drives: '14 Black 370Z Nismo Rep Power: 11	Yea Dave I've got both gaskets and the permatex on there. Hoping the permatex will help seal up imperfections.