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-   -   Header for 2000 (https://www.cherokeeforum.com/f2/header-2000-a-35990/)

tazman wrigglesworth 02-01-2010 12:26 PM
Header for 2000
 
I have a 2000 Sport with the 4.0 ltr. 6 cyl. Currently it is making a ticking noise when idling cold. It dissapates when warmed up. I am thinking I may have a crack in the factory exhaust manifold. I was wondering if anyone makes a header for the 2000-01 or a manifold upgrade? I checked out a number of sites that only have headers for up to 1999. Was there something different about the exhaust between these years? Any help is appreciated.

00xj-classic 04-03-2010 11:01 PM
The 00-01 xj's have the two peice cast iron manifold A better design than the one peice.. I guess the new design is crack proff.. I have the same problem with my jeep having a loud idle.. my jeep also has a hissing noise at accelaration.. Sounds like a exhaust leak.. I cant see any cracks in the manifold though..I know theres no one on this forum with a 00-01 exhaust manifold thats cracked..

pierre 04-11-2010 08:34 AM
There is a piece that is part of the emission system that is supposed to tick at idle. I forget what it is called but it is a cylinder about 1.5 in tall and 1.5 in in diameter located to the left of where the coolant hoses go into the firewall. It ticks on my jeep when it's cold and if I touch it i can feel it too.

00xj-classic 04-12-2010 11:51 AM
Originally Posted by pierre (Post 501833)
There is a piece that is part of the emission system that is supposed to tick at idle. I forget what it is called but it is a cylinder about 1.5 in tall and 1.5 in in diameter located to the left of where the coolant hoses go into the firewall. It ticks on my jeep when it's cold and if I touch it i can feel it too.
yea thats the purge selanoid, I THINK.. Those are know for ticking and KNOCKING.. my jeep is at the shop getting a fresh paint job or i would go disconect the selanoid and see if my hissing and Slinght knocking goes away..

00xj-classic 04-12-2010 02:46 PM
Originally Posted by pierre (Post 501833)
There is a piece that is part of the emission system that is supposed to tick at idle. I forget what it is called but it is a cylinder about 1.5 in tall and 1.5 in in diameter located to the left of where the coolant hoses go into the firewall. It ticks on my jeep when it's cold and if I touch it i can feel it too.
EVAP, purge valve.. thats the correct name..


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