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Posted on Oct 13, 2010
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Have a leak on my gmc searria transfer case and it is not the gasket could it be from the bolts

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  • Posted on Oct 13, 2010
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Joined: Oct 13, 2010
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Maybe but have the case serviced with new fluid or do it yourself then clean the leak area and when it dries spray foot powder on the area then after a week you can see exactly where the leak is

  • chris
    chris Jan 08, 2015

    you probably have a pump rub problem,look around the tail shaft area,the pump rub plate can rub through in 5 different area's around the shaft just up from where the driveline goes in.i had the same problem with mine,if you find a leak clean it real good with carb cleaner and sand or wire brush the area real good and jb weld in the hole and all around it and let dry for 24 hours,i eventually had to jb weld all 5 area's on mine,it's been 5 months and no leaks,make sure you drain and refill with new fluid,there's a you tube video on it,check it out,hope this helps.

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Transfer case leaking fluid where actuator cable bolts on to transfer case
Replace the gasket or seal. Year make and model would help to see what you would be in for.
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Mar 06, 2015 • Cars & Trucks
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Transfer case leaking
The transfer case is independently sealed and does not share the same fluid that is inside the transmission. It can only leak from the breather (if the fluid is in failure or was over filled), from the front or rear seal, or from the case (either the case is cracked or where the case bolts together, the sealant has failed). I hope that helps. If I can be of anymore help please let me know.
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Feb 20, 2014 • 1999 GMC Envoy
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Transfer case bolts are loose. I need torque specs for the bolts.
autozone will tell you the specs for free if you call and ask them.
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What is the gasket or seal that goes between the transfer case and the transmission
  • Transmission output seal or Transfer case input seal is what you are looking for depending on which is leaking. You will need to separate the two to see. Many times you can buy a gasket kit for this job that has both.
  • Hope this helps.

Regards, Tony
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Jun 13, 2011 • GMC K2500 Cars & Trucks
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I am leaking transmission fluid right where the transfer case is how do i replace the gasket?
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.
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Oct 26, 2010 • Chevrolet 1500 Cars & Trucks
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I have a blown gasket between transmission and transfercase. can i pull them apart to change the gasket, or is it more involved than that. It looks like this is where the transfer case bolts to the...
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.
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Jul 01, 2010 • 2004 Chevrolet Silverado 2500 Crew Cab
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Have a 1999 eclipse 2.0 L...Need to replace oil pan. Do I have to remove any other parts to get the pan off
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

    0996b43f8023193a.jpg 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.

    0996b43f8023192d.jpg 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)

    0996b43f8023192e.jpg 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)

    0996b43f8023192f.jpg 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.

    0996b43f80222121.jpg 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.

      0996b43f80222122.jpg
      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.

    0996b43f80222123.jpg 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).
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Mar 06, 2010 • 1999 Mitsubishi Eclipse
4helpful
2answers

Noise coming from the transfercase near the transmissionand leaking fluid between the both where they meet up
First I would check your fluid level. There are 2 plugs located on the rear of the transfer case. Remove the top one and verify fluid level. To repair the leak the transfer case will need to be removed and reinstalled with a new gasket.

Verify fluid level first, add if needed and verify that sound goes away. If sound fails to go away you will need to have the transfer case replaced or rebuilt. I think the fluid is Dextron III ATF. Double check with another source before adding fluid.
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Jan 12, 2010 • 1999 GMC Suburban
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Transfer case gasket leak
try tighting any case bolts and adding trany stop leak to your unit be carefull to not overfill unit
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Oct 07, 2009 • 2004 Chevrolet Silverado 2500HD
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Transfer case leak
You mean between the case halves? It is just silicon, no gasket. These are good for the pump wearing a hole in the rear housing and leaking oil. The cure for it is a new rear housing and a piece called a case saver that keeps the pump from doing it again. Taking the transfer case apart to fix it is easy, I can tell you how to do it.
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Mar 02, 2009 • 2003 Chevrolet Silverado 1500
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