1999 XJ Classic DD build
Thread Starter
Junior Member
Joined: Jul 2010
Posts: 53
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From: Sacramento, CA
Year: 1999
Model: Cherokee
Engine: 4.0L
Okay.. this is the start of my build on my 1999 cherokee classic, bare with me; I'm just a garage mechanic and still learning lots.
Bought it basically like you see it. 113k miles, 4.0L AW4 NP231 tcase, D30/C8.25. Rough country 4.5" lift w/ full leafs, extended brake lines, a toyota prerunner bar custom mounted, with two KC daylighters. 31x10.50 Goodyear MTRs, stock wheels, rattle-canned black. Like I bought it:





Today, I got received a few goodies I ordered. Rough country stabilizer, Rusty's intake tube w/K and N, and a Flex-a-lite tranny cooler..



And here is the install for the airtube:



Goodbye stock airbox

Airtube and K and N on, had to plug the vaccum line with a rubber plug, loctite and a hose clamp.



All done for now! A small notice in throttle response, and I'm hoping for somewhat improved gas mileage(currently avg. 12mpg) Thanks for looking
Thread Starter
Junior Member
Joined: Jul 2010
Posts: 53
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From: Sacramento, CA
Year: 1999
Model: Cherokee
Engine: 4.0L
CF Veteran
Joined: Mar 2009
Posts: 28,068
Likes: 6
From: Tenn. and Mich.
Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
Good lookin' Jeep.
And X2 on not pluggin' off that breather line. If nothing else you can get one of those small filters and install it on that line.
And X2 on not pluggin' off that breather line. If nothing else you can get one of those small filters and install it on that line.
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Joined: Mar 2010
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From: Gilbert AZ/Las Cruces NM
Year: 1996
Model: Cherokee
Engine: 4.0 upgraded
x3 on the breather line!
you will soon blow out a seal or two (worst case scenario) and you will ruin the pack CCV valve on the valve cover(guaranteed if you keep the front one plugged).
But it looks really clean. I like the look of charcoal/gun metal rims. with the black!
you will soon blow out a seal or two (worst case scenario) and you will ruin the pack CCV valve on the valve cover(guaranteed if you keep the front one plugged).
But it looks really clean. I like the look of charcoal/gun metal rims. with the black!
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Thread Starter
Junior Member
Joined: Jul 2010
Posts: 53
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From: Sacramento, CA
Year: 1999
Model: Cherokee
Engine: 4.0L
Okay thanks for the tip blue... i have this on there now:


Okay now, I get home from a trip around town to see powersteering fluid all over my front axle and on the ground.. the pump/resevior is leaking now?


Okay now, I get home from a trip around town to see powersteering fluid all over my front axle and on the ground.. the pump/resevior is leaking now?
Thread Starter
Junior Member
Joined: Jul 2010
Posts: 53
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From: Sacramento, CA
Year: 1999
Model: Cherokee
Engine: 4.0L
I have a PS fluid leak now... would that breather have ANYTHING to do with the leak? It may be a long shot, but it hasn't leaked anything until now
CF Veteran
Joined: Mar 2009
Posts: 28,068
Likes: 6
From: Tenn. and Mich.
Year: 2004
Model: Grand Cherokee
Engine: 4.7L V8
That wouldn't have anything to do with the leak. Unless it's leaking at the line that's close to the mounting bracket. In one of the pics it looks like it's close or even rubbing. JMO


