Trying to remove crankshaft bolt. How Do I hold the Crank from spinning? Car won't start hoping timing belt didn't jump.

I want you to go to this url, it's the official KIA forum dealing with older Sorentos.https://www.kia-forums.com/2003-2010-sorento-forum/53820-sorento-crank-bolt.html It's free to create a login.
It details the need to replace the crank pulley bolt with a new one supplied by KIA. This bolt, if reused, can break causing a catastrophic engine failure. Do not buy any other bolt., it's not worth trying to save a few pennies.I have a 2005 Sorento and had my local KIA dealer do this job and other work as long as the front cover is off, replace the water pump, the timing belt idlers and tensioner assembly. It's cheaper to d all that at one time than to go back and have to redo the cover removal. Hope this helps.

Is it reverse thread?

Here are the instructions to replace the belt which are ones the same as the 2.3 earlier engine.
Getting Started

• Remove the radiator shroud and loosen the water pump pulley bolts. Remove the accessory drive belts. Remove the water pump pulley bolts. Remove the water pump pulley and the radiator cooling fan. Drain and recover the Freon from the air-conditioning system. Remove the air-conditioning compressor.
  Remove the power steering pump but leave the lines attached and move aside. Remove the air conditioning bracket. Remove the crankshaft pulley bolt and the pulley using the wheel puller. Remove the timing belt cover.
  

Align Crankshaft and Block

• Turn the crankshaft clockwise until the keyway on the crankshaft sprocket is straight up and the dot to the right side of it is lined up with the corresponding mark on the block. Check that the triangle mark on the camshaft sprocket lines up with the same type mark on the block at the 5 o'clock position. If not then turn the crankshaft one more time and it will align.
  

Loosen Tensioner

• Loosen the large bolt on the top of the tensioner and then loosen the bolt closest to the tensioner pulley. Use the special ford tool and turn the tensioner clockwise to take the tension off of the timing belt and tighten the adjusting bolt lightly to hold it out of your way. Remove the timing belt.
  

Work Counterclockwise

• Install the new timing belt starting on the right side and work counterclockwise. The circle on the crankshaft sprocket and the diamond marks on the oil pump and the triangle marks on the camshaft sprocket should always stay lined up. Loosen the adjuster bolt on the tensioner and rotate the engine two turns clockwise and realign the timing marks. Tighten the tensioner-adjusting bolt next to the tensioner pulley and then pivot bolt. Install the rest of the components in the reverse order that they were removed and tighten the crankshaft bolt to 121 foot-pounds of torque.
  

Thank you for the inquiry.
Let's try this procedure:
1) Raise and support the front of the car on jack stands. Remove the passenger-side tire/wheel assembly, using a lug wrench. Remove the inner splash shield to gain access to the crankshaft pulley, using a 10-mm socket. Remove the accessory belts by loosening the tensioner with a wrench.
2) Remove the water pump pulley, using a socket. Remove the crankshaft pulley bolt, using a ½-inch drive socket followed by the pulley. Remove the upper and lower timing belt covers, using a 10-mm socket.
3) Insert the crankshaft pulley bolt back into the nose of the crankshaft so the engine can be turned. Turn the engine clockwise until the timing mark on the crankshaft sprocket and block are aligned and the camshaft sprocket hole and mark on the camshaft-bearing cap are aligned. There is a dot on the crankshaft sprocket and a corresponding dot on the block at the one o'clock position. There is a hole in the camshaft sprocket, which is at the 12 o'clock position. A dot can be seen through the hole in the camshaft sprocket when it is vertical and lined up perfectly.
4) Loosen the two bolts in the timing belt tensioner and pry the tensioner away from the timing belt, using a screwdriver. While holding the tensioner away from the belt, loosely tighten the two bolts to hold the tensioner in its current position. Remove the timing belt.
5) Install the new timing belt, starting on the right side opposite the tensioner. Start at the crank and work up and over the camshaft sprocket, keeping tension on the right side or opposite the tensioner. Loosen the bolts on the tensioner and allow the tensioner to apply pressure to the belt.
6) Rotate the engine two times clockwise and re-align the timing marks. If the marks align perfectly, tighten the two bolts in the belt tensioner. If they do not align, turn the crank or cam sprocket to align and re-install the belt. Replace the remainder of the parts in reverse order of removal.
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• Car jack
• Jack stands
• Torque wrench
• Chain wrench
• 3/8 inch drive ratchet
• 1/2 inch drive ratchet
• 10 mm wrench
• 12 mm wrench
• 10 mm socket (3/8 inch)
• 14 mm socket (3/8 inch)
• 17 mm socket (1/2 inch)
• 19 mm socket (1/2 inch)
• Timing belt
• Balancer belt
• Bottle of Liquid Paper

Disconnect the negative battery terminal. Using a ½-inch-drive ratchet and the 19 mm socket, turn the center bolt on the crankshaft so that number-one cylinder piston is at top dead center (TDC). You will know you ware at TDC when the mark on the crank is in alignment with the arrow on the timing cover.

Disconnect the cruise control connector and remove the cruise control actuator. Loosen the upper mounting bolt with the 14 mm socket. Use a 12 mm socket to loosen the lower nut then use a 10 mm socket to loosen the adjuster from the power steering pump and remove the belt.

Loosen the upper air conditioner mounting bolt using the 14 mm socket. Use the 12 mm socket to loosen the lower nut and adjusting bolt on the alternator and remove the alternator/AC belt. Remove the valve cover using a 10 mm socket.

Place the jack behind the left front wheel where the arrow is located indicating the jack location, and raise the vehicle. Put the jack stand under the subframe behind the jack, then lower the jack. Remove the left front wheel for easy access to the crank pulley. Using a block of wood atop the jack, place the jack under the oil pan and lift with slight pressure to hold the engine in place. Remove the side engine mount using a 17 mm deep socket.

Take off the dipstick, pipe tube and upper timing cover using a 10 mm socket.
Then remove the timing belt adjuster rubber seal without loosening the adjuster nut. Take off the crankshaft pulley bolt. Use the chain wrench to hold the the crankshaft pulley while turning the crankshaft pulley bolt with a 19 mm socket. Use the 10 mm wrench and 10 mm socket to remove the bolts on the lower cover. Remove the lower cover and mark the location of the cam, crank and balancer shaft with Liquid Paper. Remove the balancer shaft belt and timing belt. Install the timing belt and the balancer shaft belt in the reverse order of removing them. During Installation of the crank pulley, coat the threads of the crank pulley bolt with engine oil and tighten it to 159 foot-pounds. Finally, adjust the tension of the power steering and alternator belts as well.

1. Jack up front of vehicle and support on safety stands. Remove left front wheel.
2. Remove alternator/water pump drive belt. Remove water pump pulley.
3. Remove A/C belt if equipped.
4. Remove valve cover.
5. Remove upper timing belt cover.
6. Rotate crankshaft until No. 1 cylinder is at TDC compression stroke and camshaft sprocket timing marks align with edge of cylinder head. "UP" cast on sprocket will be at top when sprocket is in correct position. Crankshaft may be rotated using a socket wrench inserted through access hole in left fender well (engine rotates counterclockwise).
7. Unbolt and remove crank pulley. Remove rubber seal washers from belt tensioner pivot and adjustment bolts protruding through lower belt cover. Remove belt cover retaining bolts and remove cover from below.
8. Remove concave belt retainer from end of crankshaft. If timing belt is to be reused, mark direction of rotation before removing.
9. Loosen belt tensioner pivot and adjustment bolts. Push tensioner away from belt and retighten adjustment bolt to hold tensioner in this position. Remove belt.
10. Insert a suitable tool through cam sprocket and brace against cylinder head. Remove bolt and pull sprocket from camshaft.
11. Without dislodging key, install new sprocket on camshaft. Torque bolt to 22 ftlb (30 Nm).
12. Install new timing belt by starting at crank gear and working it over cam sprocket in clockwise direction. Ensure that timing marks are properly aligned.
13. Release tensioner by loosening adjustment bolt. After tensioner contacts belt, retighten bolt.
14. Rotate engine at least one full turn (counterclockwise) and check that timing marks are aligned. Loosen adjustment bolt and allow tensioner to take out any remaining belt slack. Torque adjustment and pivot bolts to 22 ftlb (30 Nm).
15. Install remaining components in reverse order of removal. Torque fasteners to following values:

TORQUE VALUES

Valve Cover Nuts - 7 ftlb (10 Nm)
Cam Sprocket Bolt - 22 ftlb (30 Nm)
Tensioner Pivot Bolt - 22 ftlb (30 Nm)
Tensioner Adjust Bolt - 22 ftlb (30 Nm)
Belt Cover Bolts - 7 ftlb (10 Nm)
Crank Pulley Bolt - 83 ftlb (115 Nm)
Water Pump Pulley Bolts - 9 ftlb (12 Nm)

Hi,


It seems you are encountering problems trying to set the timing marks in your elantra,not to worry,simply follow the stepwise solution below;
Ensure timing marks aligned [6] & [7] .

STEP 1. Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. Ensure belt is taut between sprockets.

STEP 2. Slacken tensioner pulley bolt [8].Push tensioner pulley firmly against timing belt to tension belt.



STEP 3. Tighten tensioner pulley bolt [8] . Tightening torque: 43-55 Nm.


STEP 4. Except Matrix: Turn crankshaft one turn clockwise.



STEP 5. Matrix: Turn crankshaft two turns clockwise.


STEP 6. Ensure timing marks aligned [6] .


STEP 7. Apply a load of 2 kg to belt at .Belt should deflect 4-6 mm. If not Adjust position of tensioner pulley.



STEP 8. Install components in reverse order of removal.


STEP 9. Tighten crankshaft pulley bolt [2] . Tightening torque: 170-180 Nm
(7) is timing mark on cam,pin mark to top,hole in spoke below pin mark lines up with mark on head (6) is crank timing mark,pin mark on crank lines up with markS on block.





Good luck.

Timing Belt, Sprockets & Front Cover Removal & Installation Timing belt To Remove:

1. Disconnect the negative battery cable.
2. Remove the exhaust side spark plugs, outer timing belt cover, and crankshaft pulley.
3. Turn the crankshaft until the number one piston is at top dead center (TDC). CAUTION
   The camshaft belt tensioner tool (303-097) can be damaged when trying to relieve belt tension if you attempt to remove the belt without first loosening both the timing belt tensioner adjusting bolt and the spring pivot bolt.
   
4. Loosen the timing belt spring pivot bolt, but do not remove it at this point in the procedure.
5. Loosen the adjusting bolt slowly and release the spring tension.
6. Turn the tensioner with the camshaft belt tensioner tool (303-097), against the spring pressure, clockwise to the farthest position.
7. While holding it in this position, tighten the adjusting bolt to hold the tensioner away from the belt.
8. Remove the timing belt.

To Install:

1. Be certain that on piston number one, the crankshaft is at TDC with the crankshaft keyway pointing straight up and the circle on the crankshaft sprocket lined up with the notch on the engine front cover.
2. Line up the timing marks.
3. Install the timing belt over the crankshaft sprocket going counterclockwise over the oil pump sprocket and over the camshaft sprocket.
4. Loosen the bolt allowing the tensioner pulley to press against the timing belt. NOTE: The timing belt tensioner should not be tightened or the belt tension will not be evenly distributed over the whole belt.
   
5. Turn the crankshaft two revolutions clockwise. Next, slowly bring the crank to the number one position firing position with the keyway on the crank facing up. The dot on the crankshaft gear is lined up with the notch on the front cover.
6. Check the timing mark alignment again. If necessary, repeat the procedure.
7. Tighten the bolts. Torque the pivot bolt to 30-40 ft-lb (40-55 Nm). Torque the adjustment/locking bolt to 26-33 ft-lb (35-45 Nm).
8. Install the crankshaft pulley and tighten the bolt. Torque to 93-121 ft-lb (125-165 Nm).
9. Install the outer timing belt cover and tighten the bolt. Torque to 70-106 in-lb (8-12 Nm).
10. Install the exhaust side spark plugs.

Sprockets To Remove:

1. Remove the timing belt.
2. Install the camshaft sprocket holding/removing tool (303-098) onto the sprocket.
3. Remove the camshaft sprocket.

To Install:

1. Place the key and camshaft sprocket on the shaft.
2. Install the camshaft sprocket holding/removing tool (303-098) onto the camshaft sprocket and tighten the bolt. Torque to 52-70 ft-lb (70-95 Nm).
3. Remove the tool then install the timing belt.

Outer Cover To Remove:

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Disconnect the negative battery cable.
3. Remove the fan shroud.
4. Loosen the bolts on the water pump pulley, but do not remove them at this point in the procedure.
5. Remove the drive belt, the water pump pulley, and the fan and clutch assembly.
6. Recover the refrigerant from the A/C system.
7. Disconnect the A/C wiring connector.
8. Remove the A/C compressor from the mounting bracket then remove the A/C mounting bracket with the power steering pump still attached.
9. Remove the outer timing belt cover.

To Install:

1. Install the outer timing belt cover. Torque to 70-106 in-lb (8-12 Nm).
2. Install the A/C mounting bracket with the power steering pump still attached. Torque the M10 bolts and stud to 35 ft-lb (48 Nm) and torque the M8 bolt to 18 ft-lb (25 Nm).
3. Install the A/C compressor to the mounting bracket. Torque to 16-20 ft-lb (21-28 Nm).
4. Connect the A/C wiring connector.
5. Refill the refrigerant into the A/C system.
6. Install the fan and clutch assembly, the water pump pulley, and the drive belt.
7. Tighten the bolts on the water pump pulley. Torque to 13-17 ft-lb (17-23 Nm).
8. Install the fan shroud. Torque to 54-70 in-lb (6-8 Nm).
9. Connect the negative battery cable.
10. Start the engine. Check for leaks and repair as necessary.

Inner Cover To Remove:

1. Loosen oil pump sprocket bolt.
2. Remove timing belt, timing belt tensioner, oil pump sprocket, and crankshaft pulley.
3. Remove inner timing belt cover.

To Install:

1. Install inner timing belt cover.
2. Install crankshaft pulley. Torque to 93-121 ft-lb (125-165 Nm).
3. Install the oil pump sprocket.
4. Install the timing belt tensioner. Torque the pivot bolt to 30-40 ft-lb (40-55 Nm). Torque the adjustment/locking bolt to 26-33 ft-lb (35-45 Nm).
5. Install the timing belt.
6. Tighten the oil pump sprocket bolt. Torque to 30-40 ft-lb (40-55 Nm).
7. Torque the camshaft bolt to 52-70 ft-lb (70-95 Nm).

hi
It is probably caused by the crankshaft pulley! Have it replaced because it will certainly break down within a short period and can cause severe damge to your car.
inspect it if it is still usable and just need tightening. if not then it could be replaced.
feel the tension on each belt and adjust it to the right tension.
all you have to look is a tension er , loosen the nuts that is holding it and increase the tension of the belt by turning the bolt to move the pulley away from the center. but if the pulley is all the way to the back and the belt is still loose, then its time to replace the belt.

hope u will b helpfull
regards

Take off Drivers side wheel, remove plastic inner fenders (two pieces - one has six screws and the other is held in with two 12mm bolts - one is hidden up front behind the first plastic cover you remove). Relieve tension from A/C belt (slacken centre nut on tensioner and then using a 12mm ratchet wrench, crank the tensioner in), relieve tension on power steering belt (loosen both bracket bolts and then remove the outer bolt and slide pump up on the arm), place 22mm deep socket on crankshaft pulley and wedge breaker bar on the frame (to the front of the car) and then crank the engine to break the centre bolt. Relieve tension on Timing belt. Remove the crankshaft pulley and tensioner, the crankshaft sensor is located behind the crankshaft pulley. Installation is the reverse of removal, except you have to make sure you put the timing belt back on exactly where it came off (mark the belt and toothed pulley before you pull the belt off) AND you have to pop the tensioner back on so it has the same tension as when you started (the tensioner pops into itself and is spring loaded, held in place with pin/panel pin/small nail while you're working it. Good luck. If you are lost on this, or are asking this because you aren't handy under the hood, leave it to a garage, you will do major damage to your car if you mess up the timing.