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XJ Ask the Question Thread
Junior Member
Join Date: May 2016
Location: North Carolina
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Year: 1999
Model: Cherokee
Engine: 4.0L I6
Removed the door panels today to replace the driver's side door stop and both front speakers. Really pleased with how clean the inner area of the doors and the condition of the paint inside. Did have two questions come up that a search didn't help with.
1) How important is the plastic sheeting between the door panel and the door frame. The vehicle wasn't intended to be a daily driver but the more I drive it the better I like it. However, road noise itself isn't an issue, any other purposes?
2) Found this spring (pic) inside the door. All opening/locking mechanisms worked, as did the window. The window did sound "course" going up, but not in a manner I'd think a spring would cause. Any ideas?
Thanks in advance!
1) How important is the plastic sheeting between the door panel and the door frame. The vehicle wasn't intended to be a daily driver but the more I drive it the better I like it. However, road noise itself isn't an issue, any other purposes?
2) Found this spring (pic) inside the door. All opening/locking mechanisms worked, as did the window. The window did sound "course" going up, but not in a manner I'd think a spring would cause. Any ideas?
Thanks in advance!
Senior Member
Join Date: Jun 2015
Location: Michigan
Posts: 551
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Year: 2000
Model: Cherokee
Engine: 4.0
Removed the door panels today to replace the driver's side door stop and both front speakers. Really pleased with how clean the inner area of the doors and the condition of the paint inside. Did have two questions come up that a search didn't help with. 1) How important is the plastic sheeting between the door panel and the door frame. The vehicle wasn't intended to be a daily driver but the more I drive it the better I like it. However, road noise itself isn't an issue, any other purposes? 2) Found this spring (pic) inside the door. All opening/locking mechanisms worked, as did the window. The window did sound "course" going up, but not in a manner I'd think a spring would cause. Any ideas? Thanks in advance!
Junior Member
Join Date: May 2016
Location: North Carolina
Posts: 49
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Year: 1999
Model: Cherokee
Engine: 4.0L I6
As for the sheet, I was just curious if it was worth working around or just yanking off. I gambled and pulled it off to get it out of the way and it came off in one piece, easily, so I can (and will) glue it back just as easily with some spray adhesive once I'm done in the doors.
Thanks again for the reply!
CF Veteran
Join Date: Oct 2013
Location: Greenville, SC
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Year: 1999
Model: Cherokee(XJ)
Engine: 4.0
CF Veteran
Moderator of Jeeps
Join Date: Jul 2011
Location: Frederick, MD from Cleveland, OH
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Year: 1993 YJ Wrangler
Engine: 4.0 I6
Old fart with a wrench
So I'm trying to find this leaky injector. Not sure on fuel theory though. To test whether or not it's just an o-ring, do I pull the rail and set the injector tips in some plastic bottles, turn key on engine off and see which one is leaking? If none of them are, is it an o-ring issue? Hate to replace those expensive buggers if it's just a cracked o-ring.
Old fart with a wrench
) How important is the plastic sheeting between the door panel and the door frame. The vehicle wasn't intended to be a daily driver but the more I drive it the better I like it. However, road noise itself isn't an issue, any other purposes?
It keeps water that drains down the window glass from coming into the door panel and cabin.
It keeps water that drains down the window glass from coming into the door panel and cabin.
Senior Member
Join Date: Nov 2013
Location: Jax, FL
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Year: 1998
Model: Cherokee
Engine: 4.0L
NO, man! If you turn the key on with the injectors just in the rail, you'll blow them out of the rail! That's why the rail is bolted down. The top 0-ring seals fuel pressure in the rail and the bottom one just seals them into the manifold (vacuum). If you can find some way to plug the fuel line after disconnecting it from the rail, you can charge it and see if it's the pump check valve or not. You'd have to put the injectors into some kind of a fixture to test them under pressure.
Senior Member
Join Date: Jun 2015
Location: Michigan
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Year: 2000
Model: Cherokee
Engine: 4.0
I am installing a 10 inch sub in the side cargo spot in my jeep... What r good spots to put sound damping sheets... And what is a cheap and good brand to buy