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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > Done got the 242 TC swap!!And it is rite

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Unread 12-09-2005, 04:41 PM   #1
dapainter
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Done got the 242 TC swap!!And it is rite

When you change the 249 input shaft or TC case half remember to set the gears so they can work. I just put the stuff together and didn't realize that the berring thrust might be wrong now. Anyway I just reused the original TC case from the 242 with the new input shaft from the 249 and that put the shifting dogs back in it's proper location. Thanks Tim and wow I got it done without going into a shop with a box of wise guy type crap!

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Unread 12-09-2005, 04:48 PM   #2
ZJPunk98
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Which TC is a better case? 242 or 249?

erik
98' ZJ Limited 5.2
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Unread 12-09-2005, 05:07 PM   #3
ArloGuthroJeep
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242
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Unread 12-09-2005, 05:46 PM   #4
ZJPunk98
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what is the difference between the two? i have only 4hi and 4lo which one do i have?

erik
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Unread 12-09-2005, 09:20 PM   #5
FLAWLESS
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4hi -n-4lo = 249

2wd-4hi-4ft-n-4lo = 242

2wd-4hi-n-4lo = 231
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Unread 12-10-2005, 08:38 AM   #6
Woody
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The NP 249 is a decent case but it uses a Vicsous Coupler (VC) to transmit power to the front tires. The VC will last anywhere from 60K miles to 150K. It costs about $1000 to replace the VC.

The NP 242 is just as strong, but uses a belt instead of a VC and with the exception of taking awhile to disengage, usually doesn't have many problems. These can also be rebuilt for less than $400.

99+ GC's use a NP247 instead of the 249, and it actually circulates the fluid within the coupler, so they call it a Progressive Coupler or PC. I haven't seen a thread on one of those dying yet.

You could swap to a 247, but the speedometer setup between a ZJ and a WJ are not the same and it would be a pain to convert a ZJ to work with a WJ setup.

Hope this provided a little more info.
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Unread 12-10-2005, 09:54 AM   #7
EMTimZJ
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dapainter, that is GREAT news

A big highfive and to you!
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Unread 12-10-2005, 10:52 AM   #8
ZJPunk98
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how difficult would it be for me to obtain a 242 and install it, replacing my 249? If i could... would i have to change the shift selector in the cab, to indicate all the positions available?

erik
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Unread 12-10-2005, 01:24 PM   #9
Phil Gerard
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You've done some nice work since you've been on here!
Kudo's!!!!!!!!!!!

Phil
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TW DC DS; ARB Bull Bar, F&R Air Lockers; Superior Axles; Warn Winch; 4.56 gears; ACOS, Addco F&R Sw Bar, JKS Discos, Rr Track Bar & Nerfs, 249>242 Swap, Stillen rotors+Kolak pads, 3 pc. Armor, RE 4.5 Kit + 2.5"BB, Adj. UCAs&LCAs, OME SS, Bilstein 5150s, 15x8 AR Diamond Backs, 33 Truxus MTs, K&N FIPK, RE 62mm TB, Perf. Distr. 4.0L Kit, Exhaust: 2.5" Kolak exhaust FM 70: Optima Yellow, Mean Grn Alt., PIAA 520s, 540s, Kevins Rack, & TB Conversion
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Unread 12-10-2005, 02:09 PM   #10
Death-Mobile
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242 is an excellent transfer case...woah...wait a second... THAT's RIGHT! I have a 242 and I love it!
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Unread 12-10-2005, 02:31 PM   #11
driabyor
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try car-parts.com

it's a salvage yard site
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