Crankshaft position sensor gear broken loose from crank
I have a 1999 hyundai elantra, 2.0. The gear that the crankshaft position sensor points at spins free on the crankshaft. Is there a key that has broken between the two that I could replace or does it need a whole new crank?
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Installation Ensure timing marks aligned  &  . 1. Fit timing belt in anti-clockwise direction, starting at crankshaft sprocket. Ensure belt is taut between sprockets. 2. Slacken tensioner pulley bolt  . Push tensioner pulley firmly against timing belt to tension belt. 3. Tighten tensioner pulley bolt  . Tightening torque: 43-55 Nm. 4. Except Matrix: Turn crankshaft one turn clockwise. 5. Matrix: Turn crankshaft two turns clockwise. 6. Ensure timing marks aligned  . 7. Apply a load of 2 kg to belt at . Belt should deflect 4-6 mm. If not: Adjust position of tensioner pulley. 8. Install components in reverse order of removal. 9. Tighten crankshaft pulley bolt  . 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 mark on block
NOTE this mark is just before top
down by your crank shaft pulley you will find a sensor with 2 wires ruining into it and 1 bolt holding the sensor in remove the bolt and twist and pull on the sensor then slide the new sensor in then reinstall bolt and wire