You will need to buy three quarts but you won't use all of it. Make sure that you can open the fill plug BEFORE you drain it to avoid problems. After draining, replace the drain plug and fill with Dexron III or Dex/Mercon (both are automatic trans fluids). Fill on a level surface 'till the fluid reaches the bottom lip of the fill plug. For severe service, I always replace part of the trans fluid with Lucas trans conditioner.
SOURCE: 1999 Jeep Cherokee
Both the transfer cases used during that time look similar. See the following diagrams:
NV247: http://www.wjjeeps.com/nv_247_01.jpg
NV242: http://www.wjjeeps.com/nv_242_01.jpg
Here are instructions w/ pics:
http://www.jeepsunlimited.com/forums/showthread.php?p=8647813
(If you have the 242 I believe you can use ATF+4 instead of the special Mopar fluid but I would check first to make sure).
SOURCE: 1999 jeep grand cherokee loredo 4x4
The transfer case is no longer a simple device controlled with a single manual stick shifter.Just like the engine and trans,fuel system,exhaust system,electrical system...etc etc....It is a complex electrical world/circuit all unto itself.There are approximately 2 sensors,two switches,and an electric MOTOR and a computer,that all work in unison to provide the luxuries of "shift on the fly" transfer case abilities.As a complex electrical system,it must be diagnosed as such.Basic steps in diagnosing a problem follows in order of sequence....1:pull Diagnostic Trouble Codes (DTC)'s from the transfer case system 2:For every dtc is a diagnostic route to verify all the electrical sensors and controls and COMMANDS are in place anf functioning. 3: If all external electrical componenets are tested and verified functioning,the last diagnosis is 4: Internal transfer case failure.
SOURCE: Jeep grand cherokee 247 Transfer case Interchange ?
if the shifter is the same and they have the same front driveshaft then yes
SOURCE: 2000 Jeep Grand Cherokee Ltd transfer case whine
yes low speed whine noise from the center of he vehicle is completely normal every one with the same drive train as your does it. as for jestan flushing the oil will not correct any problems that already exist but it is a good idea to prevent problems from happening
SOURCE: oil pressure gage at zero
I have the same problem,an erratic reading on the oil pressure gauge.I have been in touch with Chrysler Jeep (USA) and this is a common problem.The oil pressure sensor needs to be replaced this is on the oil pump by the oil filter.I changed mine and no more problems.
Bear
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