Jo Bo

Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
list. So it's Dexron for 4.0L Cherokees.

JoBo

"HarryS" <harry01@comcast.net> wrote in message
news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
> replacement the Dealer is correct see the TSB Link
> http://dodgeram.info/tsb/2004/21-004-04.htm
>
> HarryS
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:rAWJd.8916$8Q.5665@okepread06...
>> Herb did pass the time by typing:
>>> I was wondering anybody can tell me what kind of fluid used in NP231
>>> transfer case.
>>> The dealer said ATF+4, Haynes and car parts shop said using
>>> Dexon3,Mercon
>>> Auto transmission fluid.
>>>
>>> I already changed the fluid using Dexon3,the noise from t-case is still
>>> there. Should I use ATF+3 or 4?
>>> It's a 92 cherokee Laredo, 4L Auto.
>>
>> 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>> 1.6Qts (till it dribbles out the top fill plug)
>>
>> Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>> 1997.
>>
>> Modern versions of those are acceptable.
>> http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>
>> ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>> correct for your application. Jeeps says it's required for the latest
>> NP diff, but your diff was made way before ATF+4 existed.
>>
>> Your noise may not be the fluid, it may be the link adjustment or
>> a stretching chain. However, it's cheap enough to try it again with
>> a ATF+3 fluid.
>>
>> That's what I use, but then again I have the NP249
>>
>> --
>> -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>> Banks Header - and BEER, in the fridge!
>>
>
>

Jo Bo

Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
list. So it's Dexron for 4.0L Cherokees.

JoBo

"HarryS" <harry01@comcast.net> wrote in message
news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
> replacement the Dealer is correct see the TSB Link
> http://dodgeram.info/tsb/2004/21-004-04.htm
>
> HarryS
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:rAWJd.8916$8Q.5665@okepread06...
>> Herb did pass the time by typing:
>>> I was wondering anybody can tell me what kind of fluid used in NP231
>>> transfer case.
>>> The dealer said ATF+4, Haynes and car parts shop said using
>>> Dexon3,Mercon
>>> Auto transmission fluid.
>>>
>>> I already changed the fluid using Dexon3,the noise from t-case is still
>>> there. Should I use ATF+3 or 4?
>>> It's a 92 cherokee Laredo, 4L Auto.
>>
>> 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>> 1.6Qts (till it dribbles out the top fill plug)
>>
>> Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>> 1997.
>>
>> Modern versions of those are acceptable.
>> http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>
>> ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>> correct for your application. Jeeps says it's required for the latest
>> NP diff, but your diff was made way before ATF+4 existed.
>>
>> Your noise may not be the fluid, it may be the link adjustment or
>> a stretching chain. However, it's cheap enough to try it again with
>> a ATF+3 fluid.
>>
>> That's what I use, but then again I have the NP249
>>
>> --
>> -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>> Banks Header - and BEER, in the fridge!
>>
>
>

Jo Bo

Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
list. So it's Dexron for 4.0L Cherokees.

JoBo

"HarryS" <harry01@comcast.net> wrote in message
news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
> For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
> replacement the Dealer is correct see the TSB Link
> http://dodgeram.info/tsb/2004/21-004-04.htm
>
> HarryS
>
> "DougW" <post.replies@invalid.address> wrote in message
> news:rAWJd.8916$8Q.5665@okepread06...
>> Herb did pass the time by typing:
>>> I was wondering anybody can tell me what kind of fluid used in NP231
>>> transfer case.
>>> The dealer said ATF+4, Haynes and car parts shop said using
>>> Dexon3,Mercon
>>> Auto transmission fluid.
>>>
>>> I already changed the fluid using Dexon3,the noise from t-case is still
>>> there. Should I use ATF+3 or 4?
>>> It's a 92 cherokee Laredo, 4L Auto.
>>
>> 1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>> 1.6Qts (till it dribbles out the top fill plug)
>>
>> Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>> 1997.
>>
>> Modern versions of those are acceptable.
>> http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>
>> ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>> correct for your application. Jeeps says it's required for the latest
>> NP diff, but your diff was made way before ATF+4 existed.
>>
>> Your noise may not be the fluid, it may be the link adjustment or
>> a stretching chain. However, it's cheap enough to try it again with
>> a ATF+3 fluid.
>>
>> That's what I use, but then again I have the NP249
>>
>> --
>> -- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>> HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>> Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>> Banks Header - and BEER, in the fridge!
>>
>
>

Jerry Bransford

Jo Bo, what does an AW4 have to do with the NP231 transfer case being
discussed? The NP231 has no real special ATF requirements like a
transmission does. A Cherokee may specify some unique ATF for the
t-case but only to match what the transmission uses.

Jo Bo wrote:
> Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
> list. So it's Dexron for 4.0L Cherokees.
>
> JoBo
>
> "HarryS" <harry01@comcast.net> wrote in message
> news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
>
>>For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
>>replacement the Dealer is correct see the TSB Link
>>http://dodgeram.info/tsb/2004/21-004-04.htm
>>
>>HarryS
>>
>>"DougW" <post.replies@invalid.address> wrote in message
>>news:rAWJd.8916$8Q.5665@okepread06...
>>
>>>Herb did pass the time by typing:
>>>
>>>>I was wondering anybody can tell me what kind of fluid used in NP231
>>>>transfer case.
>>>>The dealer said ATF+4, Haynes and car parts shop said using
>>>>Dexon3,Mercon
>>>>Auto transmission fluid.
>>>>
>>>>I already changed the fluid using Dexon3,the noise from t-case is still
>>>>there. Should I use ATF+3 or 4?
>>>>It's a 92 cherokee Laredo, 4L Auto.
>>>
>>>1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>>>1.6Qts (till it dribbles out the top fill plug)
>>>
>>>Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>>>1997.
>>>
>>>Modern versions of those are acceptable.
>>>http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>>
>>>ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>>>correct for your application. Jeeps says it's required for the latest
>>>NP diff, but your diff was made way before ATF+4 existed.
>>>
>>>Your noise may not be the fluid, it may be the link adjustment or
>>>a stretching chain. However, it's cheap enough to try it again with
>>>a ATF+3 fluid.
>>>
>>>That's what I use, but then again I have the NP249
>>>
>>>--
>>>-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>>>HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>>>Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>>>Banks Header - and BEER, in the fridge!
>>>
>>
>>
>
>

--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/

Jerry Bransford

Jo Bo, what does an AW4 have to do with the NP231 transfer case being
discussed? The NP231 has no real special ATF requirements like a
transmission does. A Cherokee may specify some unique ATF for the
t-case but only to match what the transmission uses.

Jo Bo wrote:
> Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
> list. So it's Dexron for 4.0L Cherokees.
>
> JoBo
>
> "HarryS" <harry01@comcast.net> wrote in message
> news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
>
>>For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
>>replacement the Dealer is correct see the TSB Link
>>http://dodgeram.info/tsb/2004/21-004-04.htm
>>
>>HarryS
>>
>>"DougW" <post.replies@invalid.address> wrote in message
>>news:rAWJd.8916$8Q.5665@okepread06...
>>
>>>Herb did pass the time by typing:
>>>
>>>>I was wondering anybody can tell me what kind of fluid used in NP231
>>>>transfer case.
>>>>The dealer said ATF+4, Haynes and car parts shop said using
>>>>Dexon3,Mercon
>>>>Auto transmission fluid.
>>>>
>>>>I already changed the fluid using Dexon3,the noise from t-case is still
>>>>there. Should I use ATF+3 or 4?
>>>>It's a 92 cherokee Laredo, 4L Auto.
>>>
>>>1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>>>1.6Qts (till it dribbles out the top fill plug)
>>>
>>>Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>>>1997.
>>>
>>>Modern versions of those are acceptable.
>>>http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>>
>>>ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>>>correct for your application. Jeeps says it's required for the latest
>>>NP diff, but your diff was made way before ATF+4 existed.
>>>
>>>Your noise may not be the fluid, it may be the link adjustment or
>>>a stretching chain. However, it's cheap enough to try it again with
>>>a ATF+3 fluid.
>>>
>>>That's what I use, but then again I have the NP249
>>>
>>>--
>>>-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>>>HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>>>Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>>>Banks Header - and BEER, in the fridge!
>>>
>>
>>
>
>

--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/

Jerry Bransford

Jo Bo, what does an AW4 have to do with the NP231 transfer case being
discussed? The NP231 has no real special ATF requirements like a
transmission does. A Cherokee may specify some unique ATF for the
t-case but only to match what the transmission uses.

Jo Bo wrote:
> Also note the EXCEPTIONS at the bottom. The AW4 used in the XJ's is on that
> list. So it's Dexron for 4.0L Cherokees.
>
> JoBo
>
> "HarryS" <harry01@comcast.net> wrote in message
> news:OIydnbQJpqpKp2XcRVn-1Q@comcast.com...
>
>>For the majority of the vehicles that use ATF+2 or ATF+3 ATF+4 is the
>>replacement the Dealer is correct see the TSB Link
>>http://dodgeram.info/tsb/2004/21-004-04.htm
>>
>>HarryS
>>
>>"DougW" <post.replies@invalid.address> wrote in message
>>news:rAWJd.8916$8Q.5665@okepread06...
>>
>>>Herb did pass the time by typing:
>>>
>>>>I was wondering anybody can tell me what kind of fluid used in NP231
>>>>transfer case.
>>>>The dealer said ATF+4, Haynes and car parts shop said using
>>>>Dexon3,Mercon
>>>>Auto transmission fluid.
>>>>
>>>>I already changed the fluid using Dexon3,the noise from t-case is still
>>>>there. Should I use ATF+3 or 4?
>>>>It's a 92 cherokee Laredo, 4L Auto.
>>>
>>>1993 NP231 states Dexron II, Mercon, Mopar ATF Plus (type 7176)
>>>1.6Qts (till it dribbles out the top fill plug)
>>>
>>>Dexron was dropped from the Chryseler/Jeep compatibilty list back in
>>>1997.
>>>
>>>Modern versions of those are acceptable.
>>>http://www.chevron.com/prodserv/nafl...ntent/atf.shtm
>>>
>>>ATF+4 is a pure synthetic for vehicles newer than 1999 and probably not
>>>correct for your application. Jeeps says it's required for the latest
>>>NP diff, but your diff was made way before ATF+4 existed.
>>>
>>>Your noise may not be the fluid, it may be the link adjustment or
>>>a stretching chain. However, it's cheap enough to try it again with
>>>a ATF+3 fluid.
>>>
>>>That's what I use, but then again I have the NP249
>>>
>>>--
>>>-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
>>>HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
>>>Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
>>>Banks Header - and BEER, in the fridge!
>>>
>>
>>
>
>

--
Jerry Bransford
PP-ASEL N6TAY
See the Geezer Jeep at
http://members.***.net/jerrypb/

Herb

Thank you everybody for the input.
The t-case has a constant noise at 2 WD, more noisy at 4WD. Doug mentioned I
might need to adjust linkage, I guess it might not very difficult to do it.
What if it ia caused by a stretched chain? Anyway to repair?

thanks
"Herb" <haizhong_email@yahoo.com> wrote in message
news:fQVJd.4121$Yg6.972046@news20.bellglobal.com.. .
>I was wondering anybody can tell me what kind of fluid used in NP231
>transfer case.
> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon
> Auto transmission fluid.
>
> I already changed the fluid using Dexon3,the noise from t-case is still
> there. Should I use ATF+3 or 4?
> It's a 92 cherokee Laredo, 4L Auto.
>
> thanks
>

Herb

Thank you everybody for the input.
The t-case has a constant noise at 2 WD, more noisy at 4WD. Doug mentioned I
might need to adjust linkage, I guess it might not very difficult to do it.
What if it ia caused by a stretched chain? Anyway to repair?

thanks
"Herb" <haizhong_email@yahoo.com> wrote in message
news:fQVJd.4121$Yg6.972046@news20.bellglobal.com.. .
>I was wondering anybody can tell me what kind of fluid used in NP231
>transfer case.
> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon
> Auto transmission fluid.
>
> I already changed the fluid using Dexon3,the noise from t-case is still
> there. Should I use ATF+3 or 4?
> It's a 92 cherokee Laredo, 4L Auto.
>
> thanks
>

Herb

Thank you everybody for the input.
The t-case has a constant noise at 2 WD, more noisy at 4WD. Doug mentioned I
might need to adjust linkage, I guess it might not very difficult to do it.
What if it ia caused by a stretched chain? Anyway to repair?

thanks
"Herb" <haizhong_email@yahoo.com> wrote in message
news:fQVJd.4121$Yg6.972046@news20.bellglobal.com.. .
>I was wondering anybody can tell me what kind of fluid used in NP231
>transfer case.
> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon
> Auto transmission fluid.
>
> I already changed the fluid using Dexon3,the noise from t-case is still
> there. Should I use ATF+3 or 4?
> It's a 92 cherokee Laredo, 4L Auto.
>
> thanks
>

DougW

Herb did pass the time by typing:
> Thank you everybody for the input.
> The t-case has a constant noise at 2 WD, more noisy at 4WD. Doug mentioned I
> might need to adjust linkage, I guess it might not very difficult to do it.
> What if it ia caused by a stretched chain? Anyway to repair?

A stretched chain requires replacement (dropping of the t-case) and is a fairly
involved procecdure. It's hard to damage the chain unless the case has been ran
low on lube for a long time or your turning some serious tires The linkages
usually just create buzzing if they have shifted and are now touching the body.
(if the sound goes away when you put a small amount of pressure on the t-case
shift handle, then it's probably the links)

It's hard for me to get any more ideas without actually hearing it myself.
It could even be a U joint that is failing and sending vibrations back into
the case.

> thanks
> "Herb" wrote ...
>> I was wondering anybody can tell me what kind of fluid used in NP231
>> transfer case.
>> The dealer said ATF+4, Haynes and car parts shop said using Dexon3,Mercon
>> Auto transmission fluid.
>>
>> I already changed the fluid using Dexon3,the noise from t-case is still
>> there. Should I use ATF+3 or 4?
>> It's a 92 cherokee Laredo, 4L Auto.
>>
>> thanks