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-   -   transfer case determination (https://www.jeepscanada.com/jeep-mailing-list-32/transfer-case-determination-44630/)

RoyJ 03-11-2007 11:41 AM

Re: transfer case determination
 
No, the design is very similar but the cases are not quite the same.
Fair number of interchangable parts.

philthy wrote:
> the np 231 and the np231 share the same case??????
>
> RoyJ wrote:
>
>
>>Mechanically, the NP231 and NP231 use very similar gear cases. The NP231
>>has a planitary gear setup for high/lo range and the NP232 has a
>>diferential gear in the same location.
>>
>>Jeff Strickland wrote:
>>
>>
>>>Yes, it should be. Either that or the NP232. The difference is that the
>>>232 is a Full time system with a Center Differential of sorts, wheras
>>>the 231 is a Part Time system that has no center diff.
>>>
>>>As you drive, the differentials in the axles handle the speed
>>>differences from left to right on the same axle. In 4WD, the front and
>>>rear axles travel much different lines (arcs) and the speed of the front
>>>and rear axles are vastly different. The Center Differential accomodates
>>>this difference, without it the transfer case takes a beating and
>>>eventually fails.
>>>
>>>
>>>
>>>"abomb69" <abuse@verizon.net> wrote in message
>>>news:5hIIh.14313$bb1.9348@newssvr17.news.prodig y.net...
>>>
>>>
>>>>Would and NP231 be what I have in my 93 Cherokee?
>>>>
>>>>
>>>>"Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>news:UNEIh.8939$mh7.1931@trnddc04...
>>>>
>>>>
>>>>>"petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>news:1173558388.412112.15410@64g2000cwx.googl egroups.com...
>>>>>
>>>>>
>>>>>>how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>>>the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>
>>>>>
>>>>>You have the NP231.
>>>>>
>>>>>Never use any 4WD selection on hard surfaces where the tires can get
>>>>>a good grip. 4WD is intended for traction challenged conditions only.
>>>>
>>>>
>>>>

>


Carl S 03-11-2007 02:51 PM

Re: transfer case determination
 
I have the 242 and I LOVE it.

Carl

"abomb69" <abuse@verizon.net> wrote in message
news:TrTIh.17$rj1.10@newssvr23.news.prodigy.net...
>I wish I had full time 4x4. I do have the 231.
>
> "Jeff Strickland" <crwlr@verizon.net> wrote in message
> news:5QJIh.119$qe5.4@trnddc05...
>> Yes, it should be. Either that or the NP232. The difference is that the
>> 232 is a Full time system with a Center Differential of sorts, wheras the
>> 231 is a Part Time system that has no center diff.
>>
>> As you drive, the differentials in the axles handle the speed differences
>> from left to right on the same axle. In 4WD, the front and rear axles
>> travel much different lines (arcs) and the speed of the front and rear
>> axles are vastly different. The Center Differential accomodates this
>> difference, without it the transfer case takes a beating and eventually
>> fails.
>>
>>
>>
>> "abomb69" <abuse@verizon.net> wrote in message
>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>> Would and NP231 be what I have in my 93 Cherokee?
>>>
>>>
>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>
>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>
>>>>
>>>> You have the NP231.
>>>>
>>>> Never use any 4WD selection on hard surfaces where the tires can get a
>>>> good grip. 4WD is intended for traction challenged conditions only.
>>>
>>>

>>

>
>




Carl S 03-11-2007 02:51 PM

Re: transfer case determination
 
I have the 242 and I LOVE it.

Carl

"abomb69" <abuse@verizon.net> wrote in message
news:TrTIh.17$rj1.10@newssvr23.news.prodigy.net...
>I wish I had full time 4x4. I do have the 231.
>
> "Jeff Strickland" <crwlr@verizon.net> wrote in message
> news:5QJIh.119$qe5.4@trnddc05...
>> Yes, it should be. Either that or the NP232. The difference is that the
>> 232 is a Full time system with a Center Differential of sorts, wheras the
>> 231 is a Part Time system that has no center diff.
>>
>> As you drive, the differentials in the axles handle the speed differences
>> from left to right on the same axle. In 4WD, the front and rear axles
>> travel much different lines (arcs) and the speed of the front and rear
>> axles are vastly different. The Center Differential accomodates this
>> difference, without it the transfer case takes a beating and eventually
>> fails.
>>
>>
>>
>> "abomb69" <abuse@verizon.net> wrote in message
>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>> Would and NP231 be what I have in my 93 Cherokee?
>>>
>>>
>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>
>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>
>>>>
>>>> You have the NP231.
>>>>
>>>> Never use any 4WD selection on hard surfaces where the tires can get a
>>>> good grip. 4WD is intended for traction challenged conditions only.
>>>
>>>

>>

>
>




Carl S 03-11-2007 02:51 PM

Re: transfer case determination
 
I have the 242 and I LOVE it.

Carl

"abomb69" <abuse@verizon.net> wrote in message
news:TrTIh.17$rj1.10@newssvr23.news.prodigy.net...
>I wish I had full time 4x4. I do have the 231.
>
> "Jeff Strickland" <crwlr@verizon.net> wrote in message
> news:5QJIh.119$qe5.4@trnddc05...
>> Yes, it should be. Either that or the NP232. The difference is that the
>> 232 is a Full time system with a Center Differential of sorts, wheras the
>> 231 is a Part Time system that has no center diff.
>>
>> As you drive, the differentials in the axles handle the speed differences
>> from left to right on the same axle. In 4WD, the front and rear axles
>> travel much different lines (arcs) and the speed of the front and rear
>> axles are vastly different. The Center Differential accomodates this
>> difference, without it the transfer case takes a beating and eventually
>> fails.
>>
>>
>>
>> "abomb69" <abuse@verizon.net> wrote in message
>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>> Would and NP231 be what I have in my 93 Cherokee?
>>>
>>>
>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>
>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>
>>>>
>>>> You have the NP231.
>>>>
>>>> Never use any 4WD selection on hard surfaces where the tires can get a
>>>> good grip. 4WD is intended for traction challenged conditions only.
>>>
>>>

>>

>
>




Jeff Strickland 03-11-2007 07:21 PM

Re: transfer case determination
 
You meant 231 and 232, you said 231 and 231.




"RoyJ" <spamless@microsoft.net> wrote in message
news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
> No, the design is very similar but the cases are not quite the same. Fair
> number of interchangable parts.
>
> philthy wrote:
>> the np 231 and the np231 share the same case??????
>>
>> RoyJ wrote:
>>
>>
>>>Mechanically, the NP231 and NP231 use very similar gear cases. The NP231
>>>has a planitary gear setup for high/lo range and the NP232 has a
>>>diferential gear in the same location.
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>Yes, it should be. Either that or the NP232. The difference is that the
>>>>232 is a Full time system with a Center Differential of sorts, wheras
>>>>the 231 is a Part Time system that has no center diff.
>>>>
>>>>As you drive, the differentials in the axles handle the speed
>>>>differences from left to right on the same axle. In 4WD, the front and
>>>>rear axles travel much different lines (arcs) and the speed of the front
>>>>and rear axles are vastly different. The Center Differential accomodates
>>>>this difference, without it the transfer case takes a beating and
>>>>eventually fails.
>>>>
>>>>
>>>>
>>>>"abomb69" <abuse@verizon.net> wrote in message
>>>>news:5hIIh.14313$bb1.9348@newssvr17.news.prodi gy.net...
>>>>
>>>>
>>>>>Would and NP231 be what I have in my 93 Cherokee?
>>>>>
>>>>>
>>>>>"Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>
>>>>>
>>>>>>"petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>news:1173558388.412112.15410@64g2000cwx.goog legroups.com...
>>>>>>
>>>>>>
>>>>>>>how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>>>>the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>
>>>>>>
>>>>>>You have the NP231.
>>>>>>
>>>>>>Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>a good grip. 4WD is intended for traction challenged conditions only.
>>>>>
>>>>>
>>>>>

>>



Jeff Strickland 03-11-2007 07:21 PM

Re: transfer case determination
 
You meant 231 and 232, you said 231 and 231.




"RoyJ" <spamless@microsoft.net> wrote in message
news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
> No, the design is very similar but the cases are not quite the same. Fair
> number of interchangable parts.
>
> philthy wrote:
>> the np 231 and the np231 share the same case??????
>>
>> RoyJ wrote:
>>
>>
>>>Mechanically, the NP231 and NP231 use very similar gear cases. The NP231
>>>has a planitary gear setup for high/lo range and the NP232 has a
>>>diferential gear in the same location.
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>Yes, it should be. Either that or the NP232. The difference is that the
>>>>232 is a Full time system with a Center Differential of sorts, wheras
>>>>the 231 is a Part Time system that has no center diff.
>>>>
>>>>As you drive, the differentials in the axles handle the speed
>>>>differences from left to right on the same axle. In 4WD, the front and
>>>>rear axles travel much different lines (arcs) and the speed of the front
>>>>and rear axles are vastly different. The Center Differential accomodates
>>>>this difference, without it the transfer case takes a beating and
>>>>eventually fails.
>>>>
>>>>
>>>>
>>>>"abomb69" <abuse@verizon.net> wrote in message
>>>>news:5hIIh.14313$bb1.9348@newssvr17.news.prodi gy.net...
>>>>
>>>>
>>>>>Would and NP231 be what I have in my 93 Cherokee?
>>>>>
>>>>>
>>>>>"Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>
>>>>>
>>>>>>"petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>news:1173558388.412112.15410@64g2000cwx.goog legroups.com...
>>>>>>
>>>>>>
>>>>>>>how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>>>>the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>
>>>>>>
>>>>>>You have the NP231.
>>>>>>
>>>>>>Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>a good grip. 4WD is intended for traction challenged conditions only.
>>>>>
>>>>>
>>>>>

>>



Jeff Strickland 03-11-2007 07:21 PM

Re: transfer case determination
 
You meant 231 and 232, you said 231 and 231.




"RoyJ" <spamless@microsoft.net> wrote in message
news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
> No, the design is very similar but the cases are not quite the same. Fair
> number of interchangable parts.
>
> philthy wrote:
>> the np 231 and the np231 share the same case??????
>>
>> RoyJ wrote:
>>
>>
>>>Mechanically, the NP231 and NP231 use very similar gear cases. The NP231
>>>has a planitary gear setup for high/lo range and the NP232 has a
>>>diferential gear in the same location.
>>>
>>>Jeff Strickland wrote:
>>>
>>>
>>>>Yes, it should be. Either that or the NP232. The difference is that the
>>>>232 is a Full time system with a Center Differential of sorts, wheras
>>>>the 231 is a Part Time system that has no center diff.
>>>>
>>>>As you drive, the differentials in the axles handle the speed
>>>>differences from left to right on the same axle. In 4WD, the front and
>>>>rear axles travel much different lines (arcs) and the speed of the front
>>>>and rear axles are vastly different. The Center Differential accomodates
>>>>this difference, without it the transfer case takes a beating and
>>>>eventually fails.
>>>>
>>>>
>>>>
>>>>"abomb69" <abuse@verizon.net> wrote in message
>>>>news:5hIIh.14313$bb1.9348@newssvr17.news.prodi gy.net...
>>>>
>>>>
>>>>>Would and NP231 be what I have in my 93 Cherokee?
>>>>>
>>>>>
>>>>>"Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>
>>>>>
>>>>>>"petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>news:1173558388.412112.15410@64g2000cwx.goog legroups.com...
>>>>>>
>>>>>>
>>>>>>>how do i tell what transfer case i have? I have a 94 ZJ laredo with
>>>>>>>the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>
>>>>>>
>>>>>>You have the NP231.
>>>>>>
>>>>>>Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>a good grip. 4WD is intended for traction challenged conditions only.
>>>>>
>>>>>
>>>>>

>>



RoyJ 03-11-2007 08:08 PM

Re: transfer case determination
 
ARGH!!!!!!

Jeff Strickland wrote:

> You meant 231 and 232, you said 231 and 231.
>
>
>
>
> "RoyJ" <spamless@microsoft.net> wrote in message
> news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
>
>> No, the design is very similar but the cases are not quite the same.
>> Fair number of interchangable parts.
>>
>> philthy wrote:
>>
>>> the np 231 and the np231 share the same case??????
>>>
>>> RoyJ wrote:
>>>
>>>
>>>> Mechanically, the NP231 and NP231 use very similar gear cases. The
>>>> NP231
>>>> has a planitary gear setup for high/lo range and the NP232 has a
>>>> diferential gear in the same location.
>>>>
>>>> Jeff Strickland wrote:
>>>>
>>>>
>>>>> Yes, it should be. Either that or the NP232. The difference is that
>>>>> the
>>>>> 232 is a Full time system with a Center Differential of sorts, wheras
>>>>> the 231 is a Part Time system that has no center diff.
>>>>>
>>>>> As you drive, the differentials in the axles handle the speed
>>>>> differences from left to right on the same axle. In 4WD, the front and
>>>>> rear axles travel much different lines (arcs) and the speed of the
>>>>> front
>>>>> and rear axles are vastly different. The Center Differential
>>>>> accomodates
>>>>> this difference, without it the transfer case takes a beating and
>>>>> eventually fails.
>>>>>
>>>>>
>>>>>
>>>>> "abomb69" <abuse@verizon.net> wrote in message
>>>>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>>>>
>>>>>
>>>>>> Would and NP231 be what I have in my 93 Cherokee?
>>>>>>
>>>>>>
>>>>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>>
>>>>>>
>>>>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>>>>
>>>>>>>
>>>>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo
>>>>>>>> with
>>>>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>>
>>>>>>>
>>>>>>> You have the NP231.
>>>>>>>
>>>>>>> Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>> a good grip. 4WD is intended for traction challenged conditions
>>>>>>> only.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>

>


RoyJ 03-11-2007 08:08 PM

Re: transfer case determination
 
ARGH!!!!!!

Jeff Strickland wrote:

> You meant 231 and 232, you said 231 and 231.
>
>
>
>
> "RoyJ" <spamless@microsoft.net> wrote in message
> news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
>
>> No, the design is very similar but the cases are not quite the same.
>> Fair number of interchangable parts.
>>
>> philthy wrote:
>>
>>> the np 231 and the np231 share the same case??????
>>>
>>> RoyJ wrote:
>>>
>>>
>>>> Mechanically, the NP231 and NP231 use very similar gear cases. The
>>>> NP231
>>>> has a planitary gear setup for high/lo range and the NP232 has a
>>>> diferential gear in the same location.
>>>>
>>>> Jeff Strickland wrote:
>>>>
>>>>
>>>>> Yes, it should be. Either that or the NP232. The difference is that
>>>>> the
>>>>> 232 is a Full time system with a Center Differential of sorts, wheras
>>>>> the 231 is a Part Time system that has no center diff.
>>>>>
>>>>> As you drive, the differentials in the axles handle the speed
>>>>> differences from left to right on the same axle. In 4WD, the front and
>>>>> rear axles travel much different lines (arcs) and the speed of the
>>>>> front
>>>>> and rear axles are vastly different. The Center Differential
>>>>> accomodates
>>>>> this difference, without it the transfer case takes a beating and
>>>>> eventually fails.
>>>>>
>>>>>
>>>>>
>>>>> "abomb69" <abuse@verizon.net> wrote in message
>>>>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>>>>
>>>>>
>>>>>> Would and NP231 be what I have in my 93 Cherokee?
>>>>>>
>>>>>>
>>>>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>>
>>>>>>
>>>>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>>>>
>>>>>>>
>>>>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo
>>>>>>>> with
>>>>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>>
>>>>>>>
>>>>>>> You have the NP231.
>>>>>>>
>>>>>>> Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>> a good grip. 4WD is intended for traction challenged conditions
>>>>>>> only.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>

>


RoyJ 03-11-2007 08:08 PM

Re: transfer case determination
 
ARGH!!!!!!

Jeff Strickland wrote:

> You meant 231 and 232, you said 231 and 231.
>
>
>
>
> "RoyJ" <spamless@microsoft.net> wrote in message
> news:6rVIh.11491$Jl.2841@newsread3.news.pas.earthl ink.net...
>
>> No, the design is very similar but the cases are not quite the same.
>> Fair number of interchangable parts.
>>
>> philthy wrote:
>>
>>> the np 231 and the np231 share the same case??????
>>>
>>> RoyJ wrote:
>>>
>>>
>>>> Mechanically, the NP231 and NP231 use very similar gear cases. The
>>>> NP231
>>>> has a planitary gear setup for high/lo range and the NP232 has a
>>>> diferential gear in the same location.
>>>>
>>>> Jeff Strickland wrote:
>>>>
>>>>
>>>>> Yes, it should be. Either that or the NP232. The difference is that
>>>>> the
>>>>> 232 is a Full time system with a Center Differential of sorts, wheras
>>>>> the 231 is a Part Time system that has no center diff.
>>>>>
>>>>> As you drive, the differentials in the axles handle the speed
>>>>> differences from left to right on the same axle. In 4WD, the front and
>>>>> rear axles travel much different lines (arcs) and the speed of the
>>>>> front
>>>>> and rear axles are vastly different. The Center Differential
>>>>> accomodates
>>>>> this difference, without it the transfer case takes a beating and
>>>>> eventually fails.
>>>>>
>>>>>
>>>>>
>>>>> "abomb69" <abuse@verizon.net> wrote in message
>>>>> news:5hIIh.14313$bb1.9348@newssvr17.news.prodigy.n et...
>>>>>
>>>>>
>>>>>> Would and NP231 be what I have in my 93 Cherokee?
>>>>>>
>>>>>>
>>>>>> "Jeff Strickland" <crwlr@verizon.net> wrote in message
>>>>>> news:UNEIh.8939$mh7.1931@trnddc04...
>>>>>>
>>>>>>
>>>>>>> "petethepirate" <petethepirate197@gmail.com> wrote in message
>>>>>>> news:1173558388.412112.15410@64g2000cwx.googlegrou ps.com...
>>>>>>>
>>>>>>>
>>>>>>>> how do i tell what transfer case i have? I have a 94 ZJ laredo
>>>>>>>> with
>>>>>>>> the I6, with 2hi, 4hi, neutral, and 4lo
>>>>>>>>
>>>>>>>
>>>>>>> You have the NP231.
>>>>>>>
>>>>>>> Never use any 4WD selection on hard surfaces where the tires can get
>>>>>>> a good grip. 4WD is intended for traction challenged conditions
>>>>>>> only.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>

>



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