Question about 1997 Chevrolet Blazer

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Trying to remove oil pan, but the transfer case is in the way of get bolt out, how or what do you have to do to get the oil pan off 1997 blazer 4x4

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I;m doing the same on a 4x4 95 yukon. I used a 1/4 drive deep well 3/8 socket and a 1/4 to 3/8 adapter - it was just short enougto ckear transfer case but long enough to clear the pan. But now my pan wont come off because of transfer case in the way. I am looking at lowering transfer case vs raising front of engine- good luck

Posted on Sep 26, 2010


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2001 chevy blazer transfer case removal

How to Remove a Chevy Blazer Rear Transfer Case The transfer case on a Chevrolet Blazer is underneath the vehicle, mounted to the rear of the transmission. On four-wheel drive vehicles, the transfer case takes power generated by the engine and channeled through the transmission and directs it to the front and rear drive axles. Over time, the gears and bearings inside the transfer case can wear and the transfer case must be rebuilt. The transfer case on this vehicle must be removed before it can be serviced.
Things You'll Need
  • Wrench set
  • Floor jack
  • Jack stands
  • Socket set
  • Masking tape
  • Marker
  • Needle-nose pliers
Hide Instructions
  1. Removing the Driveshafts
    • 1 Disconnect the ground cable from the negative battery terminal, by using a wrench to loosen the retaining bolt and pulling the clamp off the terminal.
  • 2 Raise the vehicle and support with jack stands placed underneath the frame.
  • 3 Drain the transfer case. Locate the drain plug near the bottom of the transfer case. Place a waste oil collection pan underneath the plug and use a socket to remove it. Once all the fluid has drained out, reinstall the plug.
  • 4 Remove the bolts that connect the rear driveshaft to the rear axle yoke using a socket. Lower the driveshaft, and slide it backward underneath the rear axle to disengage it from the transfer case. Remove it from the vehicle.
  • 5 Remove the bolts that connect the front driveshaft to the front axle yoke using a socket. Lower the driveshaft, and slide it forward underneath the front axle to disengage it from the transfer case. Remove the driveshaft from the vehicle.
  • Removing the Transfer Case
    • 6 Label and disconnect the electrical wires and vacuum lines connected to the transfer case. Use masking tape and a marker.
    • 7 Remove the transfer case shifter rod. Using needle-nose pliers, remove the clip that connects the shifter rod to the transfer case. Slide the rod away from the transfer case.
    • 8 Position a floor jack underneath the transfer case. Raise it enough to take the weight of the transfer case off the transmission.
    • 9 Remove the bolts that connect the transfer case to the transmission using a socket or wrench.
    • 10 Slide the transfer case rearward to disengage it from the transfer case. Lower the floor jack, and remove the transfer case from the vehicle

    Jul 27, 2014 | Cars & Trucks

    1 Answer

    Can i install my new 350 sbc in my 1989 s10 blazer 4x4 without the oilpan bolted up

    you will need to have the oil pan on, its pretty tight when you put in a 350 ,also a 3" body lift will make things alot smoother godbless

    Apr 16, 2013 | 1989 Chevrolet S-10 Blazer

    1 Answer

    So..I'm a female nerd!! How and can I change the transmission fluid myself? It is a 96 chevy blazer 4 wheel drive

    It's not too hard at all. You'll need a decent size drain pan. You'll want to remove all but a couple of the transmission pan bolts on the bottom of the transmission. Let the fluid drain out as you loosen the last couple bolts. Once most of the fluid has drained out, remove the last couple bolts and let the pan done and pour out the remaining fluid, discard the old pan gasket. I would also replace the transmission filter, the new filter should have a new pan gasket with it. Remove the old filter, install the new filter, use some gasket cement to glue down the new gasket to the pan and reinstall and fill with new fluid. I would also check your transfer case fluid level, the transfer case is behind the transmission.

    Nov 18, 2010 | 1996 Chevrolet Blazer

    1 Answer

    Need to get oil pan out. Its a 95 4x4 yukon 4x4. exhaust out, fly wheel sheild off, oil cooler off, pan just wont clear crank. do I unbolt transfer case and drop it a little or unbolt engine mounts and...

    Hi, you could remove the two bolts holding the passenger side front axle tube to the frame, this may give you enough room to drop it a hair, and try to get the pan off. I usually pull the front axle tube off of the axle, and unbolt the c/v shaft, allowing full access, just have to remember that there are some pieces, that could fall out, so be careful. Good luck...Coop

    Sep 26, 2010 | 1995 GMC Yukon

    1 Answer

    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.

        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).

    Mar 06, 2010 | 1999 Mitsubishi Eclipse

    2 Answers

    Need to pull engine, 4.3, on 97 chevy blazer 4x4 but 3 trany to engine bolts are not accessible. is it standard practice to pull trans at same time?

    what you can do is to remove the motor mounts
    and that may let the motor lay down more to get to the top bolts on the trans
    I dont think that you can pull the trans and transfer case with it

    Jan 10, 2010 | 1997 Chevrolet Blazer

    2 Answers

    1997 chevy blazer. when I push the 4wd button, it flashes and goes out. wont go to 4wd.

    Check the fuse to the 4x4, if the fuse is good then check the 4x4 electric motor actuator on the transfer case. You should hear it work from 2wd, 4hi to 4low and back to 2wd with the push of the switch. if you don't hear it working then check the wire harness at the actuator motor, look for any damages like corrosion or cracked wire connector clips. If all electrical is in good working order, replace the actuator motor. If the 4x4 actuator is working on the transfer case, then the front hub 4x4 actuator may have gone bad and that's located on the front differential. It's common for the clip there to corrode and break and is an easy fix with a new collar pin, at worst it's the diaphragm on the vacuum actuator that is located under the battery tray. There is a vacuum switch on the top of the transfer case, driver side but when that fails, your front hub stay's locked in the on position. Good luck and keep me posted and hope it's a simple fuse that has gone bad. You can pick up all these parts at Auto Zone or Parts Source and they will have the step by step instructions for you to get the job done with common tools.

    Dec 15, 2009 | 1997 Chevrolet Blazer

    1 Answer


    remove drive shafts remove cross member, and transfer case mount remove transfer case then remove tranny there are 6 bell housing bolts that hold tranny in 15 mm i think and 2 trany lines if its auto

    Sep 18, 2009 | 1993 Chevrolet S-10 Blazer

    1 Answer

    Doing a timing chain and vct on right bank nearest

    You do not need to remove the upper oil pan. There are 2 bolts that go through the oil pan into the front cover that has to be removed. You do not need to remove the transfer case to remove the front timing cover. After you have the bolts under the front cover that go through that lower oil pan, and the bolts all around the timing cover off, just work the cover slowly till it pops free.

    Thanks Jay!

    Jul 21, 2009 | Nissan Murano Cars & Trucks

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