Hello, I have a Jag X-Type 2001 4x4 V6 manual gearbox. I would like to replace my transfer case with a year 2007 automatic 2.5V6. Is it possible ? I heard about transfer case change at 2004. Will the new type fit to my car ?

manual transmission --- 80w-90 for the gearbox and transfer case
diff is 80-90 oep if a straight diff and different if a limited slip diff gear box is around the 2.5 ltrs as is the diff each
LiSiD oil can be used in LiSiD diffs and straight diffs but straight oil cannot be used in lisid diffs
the transfer case uses the same as the box but the quantity you will have to check in the lubrication section of the user manual
many user manuals recommend a lighter straight oil for transfer cases and boxes ( 30 straight oil) but I find that the light oil promotes bearing wear and gear problems as the oil squeezes out under load

Roughly 2-3 QTS per case....

transfer cases are those bits that are bolted to the rear of a gear box to give ratio changes and drives to front and rear wheels. On some vehicles it can be done in vehicle as the case has external bolts and slides onto a splined output shaft from the gear box . On others the whole case has to come out as the bolts are internal. I am curious as the heading is for an X type jag 2004 and is it a 4 wd

first check for vacuum leaks, rubber vacuum lines can dry out and crack especially after sitting for a while

Did you do the work on the vacuum switch? The mechanic might have put it back on.

Yes they both are the same unit

that would be 80w90 for the differentual, for the gearbox it is 75w90 this is for a manual gearbox, and no do not use auto fluid in a manual box, it is way way thinner and your box would possibly last 2 to 3 days before you would be purchasing a new one, hope this helps

Contact your Carquest Auto Parts store. They have a division called WorldPac. They can get you anything OEM(2 days tops),save you 1/3-1/2 the cost, and get the Jag parts you need with speed. Good Luck

Replace transmission and sell quickly. I bought 2001 s-type in October 2008. I have not been able to drive it. 1st thing was gearbox fault message which turned out to be transmission. Ford can rebuild cheaper. Next thing to happen was all seals needed replacing. Then all coils needed to be replaced. Coils keep going out. Needs new computer which has 8 year/80000 mile warranty on, but Jag would not honor ($3000). Needless to say my pretty jag sits in the driveway. Had to get another car. Went with Lincoln LS V8. GREAT car!

Hello, I have worked on Mercedes for the past 20+ years and I can't think of any way to do this easily. The shift lock is tied into your steering lock/ignition lock for safety and theft reasons.
I hope this helps.
CYA, Gator241