How to Replace Crankshaft Pulley on Audi A4 and VW Passat?

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The procedure is as follows :----

Crankshaft Pulley

REMOVAL & INSTALLATION
All Except VR6 Engine

The crankshaft pulley/vibration damper is bolted onto the crankshaft timing belt drive sprocket and can be removed without removal of the high torque central bolt. The pulley/vibration damper may have to be removed to remove the timing belt covers on some models, and must be removed to replace the camshaft timing belt on all models equipped with a timing belt and/or to access the crankshaft timing belt drive sprocket.

1. Note the radio security code and disconnect the negative battery cable.
2. On 1990-96 Passat models, detach the wheel well splash shield if it interferes with damper removal.
3. If necessary, remove the lower engine shield.
4. If necessary, on A4 & 1998-00 Passat models, place the (hood) lock carrier in the service position. For additional information, please refer to the following topic(s): Body And Trim, Service Position, Front Bumper, Hood Lock Carrier.
5. Loosen each crankshaft damper bolt ¹ / ₄ of a turn. Do NOT loosen or remove the center crankshaft damper bolt.
6. Remove crankshaft driven accessory drive belt(s).
7. Remove the crankshaft damper bolts.
8. Remove the crankshaft damper.

Fig. Hex keys may be required to remove the damper bolts

Fig. Once loose, pull the bolts from the damper

Fig. Remove the damper by sliding it off the crankshaft

Fig. On 1.8L engines, use a 12-point 19mm ( ³ / ₄ inch) socket to hold the crankshaft and remove the fasteners with a 6 mm hex tool

Fig. The pulley can be removed from under the vehicle

To install:

9. Installation is in reverse order of removal noting the following:
10. Tighten the damper bolts to 15 ft. lbs. (20 Nm).

VR6 Engine

The crankshaft pulley/vibration damper is bolted directly onto the crankshaft and must be removed by removal of the high torque central bolt. The pulley/vibration damper is removed to access the front crankshaft seal.

1. Note the radio security code and disconnect the negative battery cable.
2. Remove the wheel well splash shield if it interferes with damper removal.
3. If necessary, remove the lower engine shield.
4. Remove the crankshaft driven accessory drive belt.
5. Counterhold the pulley with Tool No. 3273, or its equivalent.
6. Remove the crankshaft damper bolt.
7. Remove the crankshaft damper.

To install:

8. Installation is in reverse order of removal noting the following:
9. Tighten the damper bolt to:
1. Step 1: 74 ft. lbs. (100 Nm)
2. Step 2: 90 ° ( ¹ / ₄ of a turn)
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This details will help.

Thanks.

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For more car related problem troubleshooting:---

This are the sections, you can go through and click the link to read its troubleshooting.

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http://schematicsdiagram.blogspot.com/2011/06/car-will-not-start.html

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http://schematicsdiagram.blogspot.com/2011/06/car-will-not-crank.html

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http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html

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How to troubleshoot car battery?

http://schematicsdiagram.blogspot.com/2011/06/how-to-troubleshoot-car-battery.html

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How to test starter solenoid?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-starter-solenoid.html

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How to test cars starter?

http://schematicsdiagram.blogspot.com/2011/06/how-to-test-cars-starter.html

How to replace starter in car?

http://schematicsdiagram.blogspot.com/2011/06/how-to-replace-starter-in-car.html

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car will turn over but will not start?

http://technoanswers.blogspot.com/2011/05/car-will-turn-over-but-will-not-start.html

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Car wont start?

http://howtobyme.blogspot.com/2011/10/car-wont-start.html

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