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XJ Ask the Question Thread
Newbie
Join Date: Feb 2017
Location: Kalamazoo - Capital of the Weird
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Year: 2000
Model: Cherokee
Engine: 4.0 L
This thread is for all those who would like to ask something tech related and don't want to start a new thread or hijack someone elses, and for all those tech related questions you happen to ask in the big off topic threads. Me and some of the older members will answer every kind of question as long as it is TECH and polite.
P.S. for the newbs: stupid questions don't exist, there are only stupid answers. Feel free to ask whatever you want. "What is a Jeep?" is a good question....
EDIT: If your question is very common (eg: lift) please DO A RESEARCH FIRST and if you don't find the answer come back here, 75% of the questions can be answered within a 5/10 min browse using the "SEARCH" button on the black banner menu.
For any lift & tire questions go here first: https://www.cherokeeforum.com/f2/all...go-here-10579/
P.S. for the newbs: stupid questions don't exist, there are only stupid answers. Feel free to ask whatever you want. "What is a Jeep?" is a good question....
EDIT: If your question is very common (eg: lift) please DO A RESEARCH FIRST and if you don't find the answer come back here, 75% of the questions can be answered within a 5/10 min browse using the "SEARCH" button on the black banner menu.
For any lift & tire questions go here first: https://www.cherokeeforum.com/f2/all...go-here-10579/
CF Veteran
Join Date: Feb 2016
Location: Northern New Mexico
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Year: 1999
Model: Cherokee
Engine: 4.0
Question for ya'll. My 1998 4.0L 4WD Auto trans has yet again given me some perplexing problem. Got in this morning to drive to work and noticed my passenger floor board was soaked. I thought it happened to be my water bottle sitting upside down there, removed the wet mat and headed down the road. Look over and saw a couple drips. Placed driver mat over there and it kept going, no more water drips for the last 30 minutes of errand running. Water does not smell like coolant at all. Heater works fine, cooling system is running fine as far as i can tell. Other notable things:its raining cats and dogs, I haven't driven it since Saturday and I just got the head back on about 3 weeks ago after having massive misfire problems. Sent it out to a machine shop and found out the #3 exhaust valve was out of round (very strange) and of course all valve springs weak, fixed and rebuilt the head. Please tell me this does not sound like a heater core. Is there any other way rain may be coming in from under the dash? Please any suggestions that don't involve me dropping my dash. The weather is nasty right now but I do plan on seeing if the a/c drain is clogged. TIA
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Year: 2000
Model: Cherokee (XJ)
Hi Ralph77:
The Bosch fuel pump and filter/regulator is available on Ebay for $99.99 from the seller "premium-fuel-injection-pumps", free shipping. It works in 1998-2001 Jeep Cherokees. Since all three pumps/regulators I listed previously have 1 year warranty, why is the DELCOAC pump/regulator is not as good as the Bosch for $40 less?
The Bosch fuel pump and filter/regulator is available on Ebay for $99.99 from the seller "premium-fuel-injection-pumps", free shipping. It works in 1998-2001 Jeep Cherokees. Since all three pumps/regulators I listed previously have 1 year warranty, why is the DELCOAC pump/regulator is not as good as the Bosch for $40 less?
http://www.ebay.com/itm/1997-2001-JEEP-CHEROKEE-NEW-BOSCH-OEM-FUEL-PUMP-1-year-warranty-/181150545504?vxp=mtr&hash=item2a2d69f660
Personally I would just going to get the whole module.
pros/cons of new axles on xj
Hello all, i am a first car buyer and very new to working on them. i just bought a jeep cherokee 01 that has 122k miles and is in very good condition (i brought a knowledgeable friend). I've been looking at mods and different things you can do to them and i understand most of them because youtube is a marvelous thing.
However: i still do not understand why you would want to replace the rear axle or both for that matter. i read a lot about "upgrading to the dana 44" from the 30, but I'm not even sure what the difference is between them or what the perks are when you do. a very barney styled explanation would be much appreciated!!! anything helps! thanks
However: i still do not understand why you would want to replace the rear axle or both for that matter. i read a lot about "upgrading to the dana 44" from the 30, but I'm not even sure what the difference is between them or what the perks are when you do. a very barney styled explanation would be much appreciated!!! anything helps! thanks
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Join Date: Feb 2012
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Year: 1990
Model: Cherokee
Engine: 4.0
Need some opinions here please. I had a co worker do some welding for me and he messed up a little bit.
My question is should I roll with it and drill new holes or should I try and cut off the part he messed up on and get it re welded?
The part in question is the plate on a Renix throttle body that holds the rubber intake hose to the TB. Here's some pics. The two looking down it is one with the rubber "gasket" the way it will need to be sitting on the TB if I decide to drill and the other is what it looks like without the "gasket" in place.
Also this is not finished I will be cutting extra pipe off the end for a more narrow profile.
My question is should I roll with it and drill new holes or should I try and cut off the part he messed up on and get it re welded?
The part in question is the plate on a Renix throttle body that holds the rubber intake hose to the TB. Here's some pics. The two looking down it is one with the rubber "gasket" the way it will need to be sitting on the TB if I decide to drill and the other is what it looks like without the "gasket" in place.
Also this is not finished I will be cutting extra pipe off the end for a more narrow profile.
Last edited by PNWjeeper; 02-06-2017 at 08:53 PM.
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Location: Frederick, MD from Cleveland, OH
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Year: 1993 YJ Wrangler
Engine: 4.0 I6
Hello all, i am a first car buyer and very new to working on them. i just bought a jeep cherokee 01 that has 122k miles and is in very good condition (i brought a knowledgeable friend). I've been looking at mods and different things you can do to them and i understand most of them because youtube is a marvelous thing.
However: i still do not understand why you would want to replace the rear axle or both for that matter. i read a lot about "upgrading to the dana 44" from the 30, but I'm not even sure what the difference is between them or what the perks are when you do. a very barney styled explanation would be much appreciated!!! anything helps! thanks
However: i still do not understand why you would want to replace the rear axle or both for that matter. i read a lot about "upgrading to the dana 44" from the 30, but I'm not even sure what the difference is between them or what the perks are when you do. a very barney styled explanation would be much appreciated!!! anything helps! thanks
Stronger is better in an offroad vehicle, so many people will upgrade so that they may safely run larger tires without fearing breakage. A few key factors would be the size of the ring gear, the diameter of the axle shafts, and the thickness of the axle tubes.
Some axles are stronger than others, for various reasons. As a very obvious example, a pickup truck will have a stronger axle than a hatchback car, so that it can perform heavy duty tasks. There are many, many different axles that have been used in different vehicles over the years, and some are stronger than others.
Stronger is better in an offroad vehicle, so many people will upgrade so that they may safely run larger tires without fearing breakage. A few key factors would be the size of the ring gear, the diameter of the axle shafts, and the thickness of the axle tubes.
Stronger is better in an offroad vehicle, so many people will upgrade so that they may safely run larger tires without fearing breakage. A few key factors would be the size of the ring gear, the diameter of the axle shafts, and the thickness of the axle tubes.
my plan right now is to put a 5.5 inch lift on with some 35s: would you say it would be suggested for me to upgrade my axle ?
also, i have read that some people say you should be fine with the dana30 for a front axle... if there are big tires on both front and back wouldn't you want big axles for both?
Thanks again!
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Year: 1989
Model: Cherokee
Engine: 4.0L
Need some opinions here please. I had a co worker do some welding for me and he messed up a little bit.
My question is should I roll with it and drill new holes or should I try and cut off the part he messed up on and get it re welded?
The part in question is the plate on a Renix throttle body that holds the rubber intake hose to the TB. Here's some pics. The two looking down it is one with the rubber "gasket" the way it will need to be sitting on the TB if I decide to drill and the other is what it looks like without the "gasket" in place.
Also this is not finished I will be cutting extra pipe off the end for a more narrow profile.
My question is should I roll with it and drill new holes or should I try and cut off the part he messed up on and get it re welded?
The part in question is the plate on a Renix throttle body that holds the rubber intake hose to the TB. Here's some pics. The two looking down it is one with the rubber "gasket" the way it will need to be sitting on the TB if I decide to drill and the other is what it looks like without the "gasket" in place.
Also this is not finished I will be cutting extra pipe off the end for a more narrow profile.
WAIT, -- are you sure that gasket isn't upside-down, ...or flipped over?
double check 1st
Last edited by RacerX; 02-06-2017 at 11:02 PM.
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Year: 1990
Model: Cherokee
Engine: 4.0
Originally Posted by RacerX
I'd just drill more holes, as long as you can grind enough flat area for bolt-heads around the holes. (to sit flush)
WAIT, -- are you sure that gasket isn't upside-down, ...or flipped over?
double check 1st
WAIT, -- are you sure that gasket isn't upside-down, ...or flipped over?
double check 1st
But thanks for checking.
Anyone else have suggestions?
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Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Snag the 96 as long as it is the same ratio.
Seasoned Member
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Year: 1989
Model: Cherokee
Engine: 4.0L
- At least you can still drill hew holes - if you need to -
Look at these 2 pics again:
Last edited by RacerX; 02-07-2017 at 10:02 AM. Reason: new holes
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Year: 1990
Model: Cherokee
Engine: 4.0
Originally Posted by RacerX
Seriously, try flipping that gasket over, either it is backwords - Or - the flange is welded upside-down.
- At least you can still drill hew holes - if you need to -
Look at these 2 pics again:
- At least you can still drill hew holes - if you need to -
Look at these 2 pics again:
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Year: 1989
Model: Cherokee
Engine: 4.0L
Yeah he welded the flange upside down, there is no doubt about that. I had to cut the intake hose to make the gasket. Check out bleepinjeeps video you'll see what I mean. https://m.youtube.com/watch?feature=share&v=hLPgSKm2PEg
I, ...uhmm...
IDK - why anyone would want to put That Big of an intake tube over the throttle body!
Maybe check with a real engineer, but I'm fairly sure that shape of intake system would Lower your Ft-Lbs of Torque, just based on flow characteristics.
Longer, faster intake = more torque (to a point) shorter can help Hp, but I don't think 3" wide - to < 2" immediately at throttle will help at all. Even a little bit of 'funnel-shape' would be better, or 2" - 2-1/2" tube, maybe.
...but like I said - ask a real engineer.
- Maybe:
www.engineeringtoolbox.com / Fluid mechanics ... maybe pressure in tubing or flow characteristics - (air is Fluid)
Last edited by RacerX; 02-07-2017 at 01:56 PM.
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Year: 1989
Model: Cherokee
Engine: 4.0L