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2013–2019 Nissan Sentra / Tensioner Pulley / Engine Mount Replacement

Guide on how to replace the tensioner pulley on a Nissan Sentra 2013-2019. These instructions can also be used to replace the passenger side engine mount.

2013–2019 Nissan Sentra / Tensioner Pulley / Engine Mount Replacement
ESTIMATED TIME 40 mins - 1.5 hours
DIY COST $ 20 - 50
DIFFICULTY Hard

What you will need

Procedure

  1. Open the hood. Pull the hood release under the dashboard and unlock the hood latch. Then pull the hood up and secure it open using the hood strut/prop.Pulling the hood release of the Nissan Sentra.

     

     

    Sliding the tab to the left to unlock the hood latch.
  2. Place marks on the motor mount using a marker. Then set a jack and a block below the engine.Placing jack stand and a block below the vehicle's motor.

     

  3. Remove the 10mm bolt attached to the motor mount by turning it counterclockwise using a 10mm socket.Removing the 10mm bolt on the motor mount.

     

  4. Remove the five 16mm bolts holding the motor mount by turning them counterclockwise using a 16mm socket.Removing the 16mm bolts holding the motor mount.

     

  5. Remove the three 16mm bolts on the base of the motor mount by turning them counterclockwise using a 16mm socket.The three 16mm bolts on the base motor mount.

     

  6. Once the bolts are removed, pull the motor mount out from the vehicle.Removing the motor mount out from the vehicle.

     

  7. Raise the vehicle's motor using the jack and block below the engine and push the engine motor towards the back to have access to the bolt on the tensioner pulley.Pushing the vehicles motor to the back to have access to the bolt on the tensioner pulley.

     

  8. Loosen the T50 bolt on the tensioner pulley by turning it counterclockwise using a T50 Torx bit socket.Loosening the T50 Torx bolt holding the tensioner pulley.

     

  9. Once the bolt is loosened, pull the tensioner pulley out from the vehicle.Pulling the tensioner pulley out from the vehicle.

     

  10. Line up the new tensioner pulley and tighten the T50 bolt by turning it clockwise using the T50 Torx bit socket.Installing the new tensioner pulley of the Nissan Sentra.Tightening the bolt on the new tensioner pulley.

     

  11. Release the floor jack to set the vehicle's engine to its original position.
  12. Line up the motor mount to its proper orientation. Make sure that the marks are aligned properly.Reinstalling the motor mount back to the vehicle.

     

  13. Reinstall the three 16mm bolts on the base motor mount and five 16mm bolts above the motor mount. Turn them clockwise using the 16mm socket to set them into place.Reinstalling the bolts on the motor mount.

 

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Notes

  • Allow the enigne to cool down completly. 
  • Take a picture or a few of the belt routing before removing the belt. You may need to reference the images when you reinstall the belt. 
  • The new belt may be slightly shorter than the old one, but it will stretch when you install it.
  • Tighten the new tensioner to the correct torque. Call your local dealership to ask for the torque values if not provided. 

Safety Tips

Auto Repair Safety Notes