Any advantages of swapping in a 242 tcase?
CF Veteran
Joined: Sep 2011
Posts: 4,172
Likes: 4
From: Riviera, Texas
Year: 1998 Sport
Model: Cherokee
Engine: 4.0
the owners manual says it's bad so it must be
. They say the same thing about my truck yet I've done over a 100mph locked in 4wd on dry pavement, as long as your not turning sharp nothing will happen. And unless your racing your jeep when would you ever run 4wd dry no matter the t-case. As long as it's at least wet out you could run either tcase in 4wd, I couldn't see the reason to do so though.
. They say the same thing about my truck yet I've done over a 100mph locked in 4wd on dry pavement, as long as your not turning sharp nothing will happen. And unless your racing your jeep when would you ever run 4wd dry no matter the t-case. As long as it's at least wet out you could run either tcase in 4wd, I couldn't see the reason to do so though.


CF Veteran
Joined: Sep 2009
Posts: 1,295
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From: Williston, North Dakota
Year: 1999
Model: Cherokee
Engine: 4.0L
The steering wheel jerk is actually the binding/releasing of the tires. It *is* putting undue stress on your driveline.
Seasoned Member
Joined: Jan 2012
Posts: 283
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From: Tacoma,WA
Year: 1988
Model: Cherokee
Engine: 4.o
I've been there and done that personally
CF Veteran
Joined: Apr 2010
Posts: 2,209
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From: st.george utah
Year: 1996
Model: Cherokee
Engine: l6 4.0
Why would u need 4wd on dry pavement? You wouldn't. So having full time 4x4 is pointless. Since everyone here agrees is it's wet or slick part time is fine.
CF Veteran
Joined: Jan 2012
Posts: 1,057
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From: Nazareth/Pen Argyl, Pennsylvania
Year: 1989
Model: Cherokee
Engine: 4.0L 242ci I6
I would rather have full time on slick pavement just in case it binds anyway, like in the rain. Part time is good for mud and snow, but there is always that dry spot somewhere when the roads are somewhat plowed and still icy. Full time just lets you have the insurance of driving on an unpredictable road. Part time will bind mostly on a road that has black ice in some areas, full time will stay loose until there is the black ice, then there will be grip. That's why full time was designed. For those certain times where you have both dry and wet pavement. Or if you wanna get a good launch on the drag strip
Seasoned Member
Joined: May 2011
Posts: 268
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From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
Originally Posted by outlawcherokee
personal experience or he said she said? I've got over 40 trips down the 1/4 mile in my truck and making the turn at the end of the track in 4wd I've never experienced that. The steering wheel jerks a little but no chirping tires or hopping.
Member
Joined: Apr 2010
Posts: 137
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From: southern Idaho
Year: 1997
Model: Cherokee
Engine: 4.0
My 2001 Cherokee has the 231 t case currently and I don't like the only part time 4x4 option. Now I have seen tons of 242 equipped Cherokees with full time 4wd and I kinda like having the option of full time 4wd. Is there another bonus to installing a 242 or are they a weak link or hassle? Give me your opinion on 242 t cases.
just my 2 cents
Oh yeah, the 242s cost about $175-200 more for a rebuilt unit.....
242's are for people who don't know how to drive a 4x4.. plain and simple. They just dumbed the Jeep down for the majority of the people who buy these grocery getters.
And just try driving a modified diesel, you'll roast the tires half way down the track if you're not in 4wd.. There are quad cab 4x4 trucks running 9's in the 1/4 mile at over 140 mph.. I'm pretty sure we're good
And just try driving a modified diesel, you'll roast the tires half way down the track if you're not in 4wd.. There are quad cab 4x4 trucks running 9's in the 1/4 mile at over 140 mph.. I'm pretty sure we're good
Junior Member
Joined: Apr 2011
Posts: 85
Likes: 0
From: Jonesboro, Arkansas
Year: 1995
Model: Cherokee
Engine: 4.0
242's are for people who don't know how to drive a 4x4.. plain and simple. They just dumbed the Jeep down for the majority of the people who buy these grocery getters.
And just try driving a modified diesel, you'll roast the tires half way down the track if you're not in 4wd.. There are quad cab 4x4 trucks running 9's in the 1/4 mile at over 140 mph.. I'm pretty sure we're good
And just try driving a modified diesel, you'll roast the tires half way down the track if you're not in 4wd.. There are quad cab 4x4 trucks running 9's in the 1/4 mile at over 140 mph.. I'm pretty sure we're good

Sorry I have to disagree... I use full time when doing farm work for my cousin... Have places where its dry then muddy then dry again... Yes I am new to the whole offroading gig. I use full time because I do not want to keep switching back and forth... The full time option IMHO was made for the working man who needs it. Also I do agree about the diesel part, we have a strip about 10mi away. Seen some that are BEAST but the guys I have talked to say the t-case maintence is more important and most rebuild/replace t-case yearly because of the stress, not because it's needed but better safe then sorry.

I've run both cases in the XJ's I've had and never had a problem with either. The only downside for the 242 is the aftermarket. Tom Woods sells a full SYE for the 242, it just isn't cheap.
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