Transfer case leak

Could be transmission fluid which would be red and leaking past the engine. It could be transfer case fluid which would tend to leak towards the driver's side and is like a heavy duty gear oil, or it could be the front differential, which would tend to be midline towards the front of the truck. Also a heavy type gear oil. I would put a big piece of cardboard underneath it to figure out what it is. Usually they check all that stuff when you take it in for an oil change so whatever is leaking should be low. It could be as simple as a loose fill plug or as bad a torn up gears and gaskets. Usually both that big a deal.

That sounds to me like a shaft that connects to it is out of balance. Therefore the seals are getting worn out too soon.

I need a bit more information I take it this a 4x4 cause when you talk about transfer case it means 4x4 and am I to understand you replaced the transmission and transfer case and tail shaft?

hello do any one no how to remove the axle from the transfer case.I have removed it from the front.

I assume this is a truck, you will need to remove the driveshaft and then remove the bolts holding the transfer case to trany, theres a gasket that goes there but the real problem is the seal, once you remove the transfer case look inside the rear of the trany you will see a seal that seals that shaft replace that seal there should not be any oil in that space, hope this helps.

You have to pull out the rear drive shaft and then unbolt the transfer case. Unhook the wiring and front driveshaft and pull the case off the transmission. Then change the gasket and reinstall.

first remove both front and rear driveshafts. Then remove skid plate underneath transfer case. Remember to unplug the electric motor wiring harness for explorers with electronic four wheel drive switching. Remove vacuum line on the top of transfer case. Unbolt Speedometer cable mount from top/rear of transfer case. Remove five bolts connecting the transfer case to the transmission, this step will cause some transmission fluid to leak from the shaft housing (approx. half a litre) so place a drain pan underneath. Remember to either place a jack or wood blocking under transfer case before removing the last bolt connecting the transfer case as it is heavy (approx. 80-90 lbs.).

2.0L Engine

1. Disconnect the negative battery cable.
2. Drain the engine oil.
3. Remove or disconnect the following:
   Engine undercover Front exhaust pipe Lower oil pan bolts and lower pan Cover Upper oil pan bolt and upper pan Baffle plate
   
   Fig. Oil pan and related components-2.0L engine
   
   

To install:

1. Clean all gasket surfaces of the cylinder block and the upper and lower oil pan.
2. Install or connect the following:
   Baffle plate
   
3. Apply a 0.16 in. (4mm) bead of sealant to the gasket surfaces of the upper oil pan.
   Upper oil pan onto the cylinder block within 15 minutes after applying sealant. Tighten the bolts as shown in the accompanying figure.
   
   Fig. Upper oil pan bolt location and torque sequence-2.0L engine
   
   
4. Apply 0.16 in. (4mm) bead of sealant to the gasket surfaces of the lower oil pan.
   Lower oil pan and tighten the bolts, in the sequence shown, to 88-106 inch lbs. (10-12 Nm)
   
   Fig. Lower oil pan bolt tightening sequence-2.0L engine
   Front exhaust pipe Engine undercover Oil drain plug with a new gasket and tighten to 29 ft. lbs. (40 Nm)
   
   Fig. Make sure to the install the new drain plug gasket as shown, or leaks will occur
   
   
5. Lower the vehicle and fill the crankcase to the proper level with clean engine oil.
6. Connect the negative battery cable. Start the engine and check for leaks.

Non-Turbo Engine

1. Disconnect the negative battery cable.
2. Raise and safely support the vehicle.
3. Drain the engine oil into a suitable container.
4. Once the oil has completely drained, install the plug and tighten to 25 ft. lbs. (34 Nm).
5. Remove the front exhaust pipe.
6. Remove the engine oil dipstick and tube assembly.
7. Remove the front plate.
8. Unfasten the oil pan mounting bolts, then remove the oil pan and gasket.
   
   Fig. Exploded view of the oil pan and related components-1999 2.0L non-turbo engine
   

To install:

1. Apply sealant at the point where the engine block meets the oil pump.
2. Use a new gasket and install the oil pan. Tighten the mounting bolts to 8.9 ft. lbs. (12 Nm).
   
3. Install the front plate.
4. Install the front exhaust pipe.
5. Install the dipstick and tube assembly.
6. Safely lower the vehicle to the floor.
7. Refill the crankcase with oil to the proper level.
8. nnect the negative battery cable.
9. Start the engine and check for leaks.

Turbo Engine

1. Disconnect the negative battery cable.
2. Safely raise and support the vehicle.
3. Remove the front exhaust pipe.
4. Remove the exhaust pipe and muffler assembly.
5. Drain the engine oil into a suitable container. Once the oil has drained completely, tighten the plug to 29 ft. lbs. (39 Nm).
6. Remove the dipstick and tube.
7. For AWD vehicles, remove the transfer case assembly as follows:
   1. With the propeller shaft still installed, remove the transfer mounting bolt.
   2. Insert a suitable prytool in between the transfer case and transaxle, then remove the transfer case from the center shaft.
   3. Remove the transfer case from the center shaft. Do NOT tilt the transfer assembly to the rear or oil will leak out.
   4. After removing the transfer assembly, insert tool MB991193 or equivalent, to prevent the oil from leaking out. Use a piece of wire to suspend the transfer case from the body.
      
      
      Fig. View of the transfer case with the tool installed to prevent oil from leaking out-1999 2.0L turbo engines
      
8. Remove the bell housing cover.
9. Disconnect the oil return pipe from the oil pan.
10. Remove the oil pan mounting bolts. Tap the oil pan seal breaker MB998727 or equivalent between the oil pan and the engine block to break the seal and remove the oil pan.
    
    Fig. Exploded view of the oil pan and sealant application-1999 2.0L Turbo engine
    

To install:

1. Clean the sealing surface on the oil pan and engine block. Apply a continuous bead of sealant MD970389 or equivalent to the oil pan.
2. Clean the oil pan mounting bolt holes in the oil seal case.
3. Install the oil pan to the engine block. Tighten the mounting bolts to 5.1 ft. lbs. (6.9 Nm).
4. Use a new gasket and connect the oil return pipe to the oil pan.
5. Install the bell housing cover.
6. If equipped with AWD, install the transfer case assembly.
7. Install the dipstick and tube assembly.
8. Install the front exhaust pipe.
9. Install the exhaust pipe and muffler.
10. Install a new oil filter.
11. Safely lower the vehicle to the floor and add five quarts of oil to the crankcase.
12. Connect the negative battery cable.
13. Start the engine and check for leaks.

Good luck (remember rated this help).

your output seal on the tranny or input seal on your transfer case is bad. you have to pull your transfer case to tell. this is a pretty straight forward job. block wheels. put transfer case in neutral. drop front and rear drive lines.diconnect transfer case shift linkage. there is a short commponent connecting the trans to the transfer case. the bolt on either end face each other. remove the bolts to the transmission. the transfer case is heavier than it looks, i suggest getting help. pull back on the transfer case until it will drop down. it will pull out a bit because of the trans output shaft. replace what will probibly turn out to be the tranny output shaft seal and reassemble in reverse order.

No. The out-put shaft on the tranny goes straight through and there are no seals except for the transfer case out-put shaft. There is only a gasket that seals the two cases.