PDA

View Full Version : Noob question: What would cause this hose to blow? 91 S13

MWilson
05-25-2013, 11:40 AM
I think this is the hose to the EGR and it has a big hole blown in it, so now under throttle exhaust poors out of it and I'm losing a lot of power.

What would cause that? Wondering if I am wasting my time replacing that hose if whatever caused it to blow to begin with would do the same thing again soon.

Thanks!

MW

Close up:

https://lh3.googleusercontent.com/-NTkEq2Dfkho/UaD10ljAoPI/AAAAAAAAnlg/Jy-URY7tS28/w1167-h875-no/IMG_20130525_131624.jpg


Little wider view:

https://lh3.googleusercontent.com/-3OUjASvteWY/UaD1339_MnI/AAAAAAAAnls/K3GWn9g4rQY/w1167-h875-no/IMG_20130525_131645.jpg
cotbu
05-25-2013, 12:34 PM
That looks like an AC line, not sure if im looking at the same thing. So if its an ac line your problems and symptoms probably lie somewhere else.

Sent from my Overclocked Debloated SIII
MWilson
05-25-2013, 12:36 PM
Thanks cotbu...are you talking about the "corrugated" hose or the black rubber hose above it?

The corrugated hose is the one that has the hole in it.
PureRush
05-25-2013, 12:42 PM
Yeah man thats an A/C line. Not sure why ur car's running different. Maybe its just in your head
MWilson
05-25-2013, 12:49 PM
Gotcha...thanks. So any ideas on what would make that AC line blow like that?
jr_ss
05-25-2013, 01:07 PM
Damaged hose internally and an over pressurization could cause it to pop. Make sure the actually hose is blown though. That aluminum sleeving is to protect the hose from excessive heat.
MWilson
05-25-2013, 01:13 PM
Okay...I just did some feeling around and the black rubber hose above the AC line has a hole in it too. Both holes line up perfectly so it looks like the black rubber hose blew and put too much heat on the AC line?

What does that black rubber hose go to?

Thanks for enduring the basic questions!
jr_ss
05-25-2013, 01:39 PM
Need a wider angle...
MWilson
05-25-2013, 01:48 PM
It looks like it curls around and ends up going into the down pipe of the exhaust?

https://lh6.googleusercontent.com/-d4Wfs2vh2l0/UaEbe1cNWjI/AAAAAAAAnok/MIVw4UJn5uU/w1167-h875-no/photo.jpg
Sileighty_85
05-25-2013, 05:19 PM
the one with the metal tube is for your EGR valve system so hot exhaust runs through it.

if that one sprung a leak it would be blasting the A/C line with exhaust gasses causing it to fail over time
MWilson
05-26-2013, 09:41 AM
Anyone know what that rubber hose is called so I can try to track down a replacement since it looks like it has a particular bend to it?

Thanks for the help everyone...appreciate it.
Sileighty_85
05-26-2013, 05:46 PM
you'll have to order that one from Nissan
cotbu
05-26-2013, 08:38 PM
While you are ordering the hose, you could just internally sleeve it. 2 clamps and a short pipe of the same inner diameter as the hose.
KoukiMonsta
05-26-2013, 08:52 PM
the one with the metal tube is for your EGR valve system so hot exhaust runs through it.

if that one sprung a leak it would be blasting the A/C line with exhaust gasses causing it to fail over time

This sounds correct

While you are ordering the hose, you could just internally sleeve it. 2 clamps and a short pipe of the same inner diameter as the hose.

you'll have to order that one from Nissan

Both are valid options.
MWilson
05-28-2013, 07:27 AM
While you are ordering the hose, you could just internally sleeve it. 2 clamps and a short pipe of the same inner diameter as the hose.

Thanks for the idea Cotbu...I slid a piece of brass piping down the hose and then added a couple of clamps around it, reattached it and now it is running normally again...at least for now.

I appreciate the help everyone.