I can see no "clutch" in the NP231 [2H 4H 4L N], there is a clutch shaft
in the NP242 which appears to be part of the internal differential for
the 4H full time [2H, 4H part time, 4H full time, 4Lo] the NP249 has a
clutch sleeve [4H, 4L] with the viscous coupler and is somewhat fussy
about fluid. Was surprised to see them mentioned as you are correct
they are chain driven. All models have have the same diagnosis of
noisy, not enough fluid or the wrong one.


Jerry Bransford proclaimed:

> Lon, I could be wrong on the JGC's t-case as I really thought it was a
> chain driven t-case as is used in most Jeeps. Maybe the Quadratrac or
> Quadradrive t-cases have a clutch but I thought they used a differential
> to provide for their full-time abilities.
>
> Jerry
>
> Lon wrote:
>
>> ? Dunno what book you are looking at, but my [95] FSM shows two of
>> them with explicit clutches shown in the teardown and overview. Are
>> the 2000 entirely different transfer cases?
>>
>> Jerry Bransford proclaimed:
>>
>>> There are NO clutches inside the Jeep's transfer case, whether it be
>>> a full-time, part-time, or part-time/full-time. ANY ATF is perfectly
>>> fine.
>>>
>>> SnoMan wrote:
>>>
>>>> On Sat, 18 Aug 2007 21:49:04 -0400, "James" <no one@bellsouth.com>
>>>> wrote:
>>>>
>>>>> It would be easy to blame him, but in my opinion, unfair. Since
>>>>> this is my Jeep, I am the only one to make the call on this one.
>>>>
>>>>
>>>>
>>>> Consider this though, you pay a mech to kinda do it right just like
>>>> you pay a doctor to do their job right too. That aside, ATF would not
>>>> have killed Tcase but rather it could have made clutches in it chatter
>>>> some but it would not have been terminal. The specail fluid is simular
>>>> the the purple fluid that GM uses in their automatic Tcases. (also
>>>> known as syncomesh fluid)
>>>> -----------------
>>>> TheSnoMan.com
>>>
>>>
>>>
>

 

I can see no "clutch" in the NP231 [2H 4H 4L N], there is a clutch shaft
in the NP242 which appears to be part of the internal differential for
the 4H full time [2H, 4H part time, 4H full time, 4Lo] the NP249 has a
clutch sleeve [4H, 4L] with the viscous coupler and is somewhat fussy
about fluid. Was surprised to see them mentioned as you are correct
they are chain driven. All models have have the same diagnosis of
noisy, not enough fluid or the wrong one.


Jerry Bransford proclaimed:

> Lon, I could be wrong on the JGC's t-case as I really thought it was a
> chain driven t-case as is used in most Jeeps. Maybe the Quadratrac or
> Quadradrive t-cases have a clutch but I thought they used a differential
> to provide for their full-time abilities.
>
> Jerry
>
> Lon wrote:
>
>> ? Dunno what book you are looking at, but my [95] FSM shows two of
>> them with explicit clutches shown in the teardown and overview. Are
>> the 2000 entirely different transfer cases?
>>
>> Jerry Bransford proclaimed:
>>
>>> There are NO clutches inside the Jeep's transfer case, whether it be
>>> a full-time, part-time, or part-time/full-time. ANY ATF is perfectly
>>> fine.
>>>
>>> SnoMan wrote:
>>>
>>>> On Sat, 18 Aug 2007 21:49:04 -0400, "James" <no one@bellsouth.com>
>>>> wrote:
>>>>
>>>>> It would be easy to blame him, but in my opinion, unfair. Since
>>>>> this is my Jeep, I am the only one to make the call on this one.
>>>>
>>>>
>>>>
>>>> Consider this though, you pay a mech to kinda do it right just like
>>>> you pay a doctor to do their job right too. That aside, ATF would not
>>>> have killed Tcase but rather it could have made clutches in it chatter
>>>> some but it would not have been terminal. The specail fluid is simular
>>>> the the purple fluid that GM uses in their automatic Tcases. (also
>>>> known as syncomesh fluid)
>>>> -----------------
>>>> TheSnoMan.com
>>>
>>>
>>>
>

 

I can see no "clutch" in the NP231 [2H 4H 4L N], there is a clutch shaft
in the NP242 which appears to be part of the internal differential for
the 4H full time [2H, 4H part time, 4H full time, 4Lo] the NP249 has a
clutch sleeve [4H, 4L] with the viscous coupler and is somewhat fussy
about fluid. Was surprised to see them mentioned as you are correct
they are chain driven. All models have have the same diagnosis of
noisy, not enough fluid or the wrong one.


Jerry Bransford proclaimed:

> Lon, I could be wrong on the JGC's t-case as I really thought it was a
> chain driven t-case as is used in most Jeeps. Maybe the Quadratrac or
> Quadradrive t-cases have a clutch but I thought they used a differential
> to provide for their full-time abilities.
>
> Jerry
>
> Lon wrote:
>
>> ? Dunno what book you are looking at, but my [95] FSM shows two of
>> them with explicit clutches shown in the teardown and overview. Are
>> the 2000 entirely different transfer cases?
>>
>> Jerry Bransford proclaimed:
>>
>>> There are NO clutches inside the Jeep's transfer case, whether it be
>>> a full-time, part-time, or part-time/full-time. ANY ATF is perfectly
>>> fine.
>>>
>>> SnoMan wrote:
>>>
>>>> On Sat, 18 Aug 2007 21:49:04 -0400, "James" <no one@bellsouth.com>
>>>> wrote:
>>>>
>>>>> It would be easy to blame him, but in my opinion, unfair. Since
>>>>> this is my Jeep, I am the only one to make the call on this one.
>>>>
>>>>
>>>>
>>>> Consider this though, you pay a mech to kinda do it right just like
>>>> you pay a doctor to do their job right too. That aside, ATF would not
>>>> have killed Tcase but rather it could have made clutches in it chatter
>>>> some but it would not have been terminal. The specail fluid is simular
>>>> the the purple fluid that GM uses in their automatic Tcases. (also
>>>> known as syncomesh fluid)
>>>> -----------------
>>>> TheSnoMan.com
>>>
>>>
>>>
>

 

I didn't think the 247 was around in 2000.

---Greg---

"Herb Leong" <herb@urusei.net> wrote in message
news:z_idnUIzpM5ffVnbnZ2dnUVZ_hmtnZ2d@speakeasy.ne t...
> In article <TQ4xi.2887$Lu.2853@bignews8.bellsouth.net>,
> James <no one@bellsouth.com> wrote:
> #
> #This car has the Quadra Drive. It has 145,000 miles on it.
> #
> #I had the oil changed in this car today. The mechanic checked all of
> the
> #fluids, and found them all ok, except for the transfer case, which he
> said
> #was very low. He filled it up with Dextron III. My manual says this
> is
> #acceptable.
> Was the fluid totaly replaced? What color was the goop that came out?
> Yellow? Smells like vinyl?
>
> Your manual is wrong. You need special (as in special education special)
> transfer case fluid only available from Mopar. P/N 05016796AAN. The
> recomended change interval is 22,550 miles. All NV 247 transfer cases
> came
> from the factory with 05016796AA starting on 4/9/99.
>
> 05016796AA is a light pee-yellow color and it smells like vinyl.
>
> #The car immediately started making extreme noises as I drove it off. It
> #was clear that it had a major drive train problem. I drove it back to
> the
> #mechanic, who inspected it closely. He is certain the problem is
> coming
> #from the transfer case. He believes that the clutches are slipping, or
> the
> #chain is skipping. He says that the best remedy is to find a
> replacement
> #transfer case and switch it out.
> Yeah, it's possible that is what happened when you let your fluid run low.
>
> The fact is that he put the wrong goo in and now it is broken. Make him
> fix
> it.
>
> #This is a new mechanic to me, as I am on vacation at our vacation house.
> #But, I fully believe that the mechanic is honest and capable. But, I
> #have to drive this car 500 miles on Monday , and tomorrow is Friday, so
> this
> #is urgent to me.
> Find a dealership and get the right fluid. Put it in and dive some
> figure-8s
> to push the ATF out of the gerotor and any other nooks and crannies.
> Drain
> it and refill with more 05016796AA. Lather-rinse-repeat until you see no
> red in there.
>
> #My son says that in spite of what the car manual says, that the transfer
> #case should be filled with ATF+3 or ATF+4 specified for Chrysler (not
> #Dextron III).
>
> #Can you guys give me some input on this ? If I drain the Dextron III
> and
> #put in ATF+3, how likely would this cure the problem ?
>
> Your son is wrong, but on the right track. 05016796AA is the stuff you
> need
> and it's only available from a dealer (from what I've seen). It is only
> used
> in the NV 247.
>
> /herb

 

I didn't think the 247 was around in 2000.

---Greg---

"Herb Leong" <herb@urusei.net> wrote in message
news:z_idnUIzpM5ffVnbnZ2dnUVZ_hmtnZ2d@speakeasy.ne t...
> In article <TQ4xi.2887$Lu.2853@bignews8.bellsouth.net>,
> James <no one@bellsouth.com> wrote:
> #
> #This car has the Quadra Drive. It has 145,000 miles on it.
> #
> #I had the oil changed in this car today. The mechanic checked all of
> the
> #fluids, and found them all ok, except for the transfer case, which he
> said
> #was very low. He filled it up with Dextron III. My manual says this
> is
> #acceptable.
> Was the fluid totaly replaced? What color was the goop that came out?
> Yellow? Smells like vinyl?
>
> Your manual is wrong. You need special (as in special education special)
> transfer case fluid only available from Mopar. P/N 05016796AAN. The
> recomended change interval is 22,550 miles. All NV 247 transfer cases
> came
> from the factory with 05016796AA starting on 4/9/99.
>
> 05016796AA is a light pee-yellow color and it smells like vinyl.
>
> #The car immediately started making extreme noises as I drove it off. It
> #was clear that it had a major drive train problem. I drove it back to
> the
> #mechanic, who inspected it closely. He is certain the problem is
> coming
> #from the transfer case. He believes that the clutches are slipping, or
> the
> #chain is skipping. He says that the best remedy is to find a
> replacement
> #transfer case and switch it out.
> Yeah, it's possible that is what happened when you let your fluid run low.
>
> The fact is that he put the wrong goo in and now it is broken. Make him
> fix
> it.
>
> #This is a new mechanic to me, as I am on vacation at our vacation house.
> #But, I fully believe that the mechanic is honest and capable. But, I
> #have to drive this car 500 miles on Monday , and tomorrow is Friday, so
> this
> #is urgent to me.
> Find a dealership and get the right fluid. Put it in and dive some
> figure-8s
> to push the ATF out of the gerotor and any other nooks and crannies.
> Drain
> it and refill with more 05016796AA. Lather-rinse-repeat until you see no
> red in there.
>
> #My son says that in spite of what the car manual says, that the transfer
> #case should be filled with ATF+3 or ATF+4 specified for Chrysler (not
> #Dextron III).
>
> #Can you guys give me some input on this ? If I drain the Dextron III
> and
> #put in ATF+3, how likely would this cure the problem ?
>
> Your son is wrong, but on the right track. 05016796AA is the stuff you
> need
> and it's only available from a dealer (from what I've seen). It is only
> used
> in the NV 247.
>
> /herb

 

I didn't think the 247 was around in 2000.

---Greg---

"Herb Leong" <herb@urusei.net> wrote in message
news:z_idnUIzpM5ffVnbnZ2dnUVZ_hmtnZ2d@speakeasy.ne t...
> In article <TQ4xi.2887$Lu.2853@bignews8.bellsouth.net>,
> James <no one@bellsouth.com> wrote:
> #
> #This car has the Quadra Drive. It has 145,000 miles on it.
> #
> #I had the oil changed in this car today. The mechanic checked all of
> the
> #fluids, and found them all ok, except for the transfer case, which he
> said
> #was very low. He filled it up with Dextron III. My manual says this
> is
> #acceptable.
> Was the fluid totaly replaced? What color was the goop that came out?
> Yellow? Smells like vinyl?
>
> Your manual is wrong. You need special (as in special education special)
> transfer case fluid only available from Mopar. P/N 05016796AAN. The
> recomended change interval is 22,550 miles. All NV 247 transfer cases
> came
> from the factory with 05016796AA starting on 4/9/99.
>
> 05016796AA is a light pee-yellow color and it smells like vinyl.
>
> #The car immediately started making extreme noises as I drove it off. It
> #was clear that it had a major drive train problem. I drove it back to
> the
> #mechanic, who inspected it closely. He is certain the problem is
> coming
> #from the transfer case. He believes that the clutches are slipping, or
> the
> #chain is skipping. He says that the best remedy is to find a
> replacement
> #transfer case and switch it out.
> Yeah, it's possible that is what happened when you let your fluid run low.
>
> The fact is that he put the wrong goo in and now it is broken. Make him
> fix
> it.
>
> #This is a new mechanic to me, as I am on vacation at our vacation house.
> #But, I fully believe that the mechanic is honest and capable. But, I
> #have to drive this car 500 miles on Monday , and tomorrow is Friday, so
> this
> #is urgent to me.
> Find a dealership and get the right fluid. Put it in and dive some
> figure-8s
> to push the ATF out of the gerotor and any other nooks and crannies.
> Drain
> it and refill with more 05016796AA. Lather-rinse-repeat until you see no
> red in there.
>
> #My son says that in spite of what the car manual says, that the transfer
> #case should be filled with ATF+3 or ATF+4 specified for Chrysler (not
> #Dextron III).
>
> #Can you guys give me some input on this ? If I drain the Dextron III
> and
> #put in ATF+3, how likely would this cure the problem ?
>
> Your son is wrong, but on the right track. 05016796AA is the stuff you
> need
> and it's only available from a dealer (from what I've seen). It is only
> used
> in the NV 247.
>
> /herb

 

I didn't think the 247 was around in 2000.

---Greg---

"Herb Leong" <herb@urusei.net> wrote in message
news:z_idnUIzpM5ffVnbnZ2dnUVZ_hmtnZ2d@speakeasy.ne t...
> In article <TQ4xi.2887$Lu.2853@bignews8.bellsouth.net>,
> James <no one@bellsouth.com> wrote:
> #
> #This car has the Quadra Drive. It has 145,000 miles on it.
> #
> #I had the oil changed in this car today. The mechanic checked all of
> the
> #fluids, and found them all ok, except for the transfer case, which he
> said
> #was very low. He filled it up with Dextron III. My manual says this
> is
> #acceptable.
> Was the fluid totaly replaced? What color was the goop that came out?
> Yellow? Smells like vinyl?
>
> Your manual is wrong. You need special (as in special education special)
> transfer case fluid only available from Mopar. P/N 05016796AAN. The
> recomended change interval is 22,550 miles. All NV 247 transfer cases
> came
> from the factory with 05016796AA starting on 4/9/99.
>
> 05016796AA is a light pee-yellow color and it smells like vinyl.
>
> #The car immediately started making extreme noises as I drove it off. It
> #was clear that it had a major drive train problem. I drove it back to
> the
> #mechanic, who inspected it closely. He is certain the problem is
> coming
> #from the transfer case. He believes that the clutches are slipping, or
> the
> #chain is skipping. He says that the best remedy is to find a
> replacement
> #transfer case and switch it out.
> Yeah, it's possible that is what happened when you let your fluid run low.
>
> The fact is that he put the wrong goo in and now it is broken. Make him
> fix
> it.
>
> #This is a new mechanic to me, as I am on vacation at our vacation house.
> #But, I fully believe that the mechanic is honest and capable. But, I
> #have to drive this car 500 miles on Monday , and tomorrow is Friday, so
> this
> #is urgent to me.
> Find a dealership and get the right fluid. Put it in and dive some
> figure-8s
> to push the ATF out of the gerotor and any other nooks and crannies.
> Drain
> it and refill with more 05016796AA. Lather-rinse-repeat until you see no
> red in there.
>
> #My son says that in spite of what the car manual says, that the transfer
> #case should be filled with ATF+3 or ATF+4 specified for Chrysler (not
> #Dextron III).
>
> #Can you guys give me some input on this ? If I drain the Dextron III
> and
> #put in ATF+3, how likely would this cure the problem ?
>
> Your son is wrong, but on the right track. 05016796AA is the stuff you
> need
> and it's only available from a dealer (from what I've seen). It is only
> used
> in the NV 247.
>
> /herb

 

Yes, my transfer case in my 2000 JGC is an NV 247.


James

 

Yes, my transfer case in my 2000 JGC is an NV 247.


James

 

Yes, my transfer case in my 2000 JGC is an NV 247.


James