Genuine Audi A3 Harmonic Balancer

Audi A3 Harmonic Balancer Parts and Q&A

• Vibration Damper
  04L-105-243
  Q: What steps should be followed to renew the harmonic balancer crankshaft pulley bolt and install a modified bearing sleeve repair set on Audi A3?

  A:

  The crankshaft pulley bolt needs to be replaced each time it is removed, whilst an adapted repair part in the form of a bearing sleeve and two diamond coated discs that ensure the crankshaft does not turn when tightening the bolt can also be found. Removal To start removal, use the handbrake, jack the front of the car up, and place it on axle stands and then take the right-hand front roadwheel and wheel arch liner out. Label the auxiliary drivebelt to rotate normally and mark the routing of the auxiliary drivebelt before removing it, and then position the engine to the TDC position, being sure not to turn the engine in the following steps. When loosening the bolt, the crankshaft pulley should remain stationary; Audi technicians have a special tool, which can be made in case a makeshift tool is necessary. In manual gearbox models, put the car in the top gear and use the footbrake and in an automatic transmission car, detach the starter motor and use a screwdriver to ensure the crankshaft is in place. Unscrew and take out the bolt after which, pull the pulley off the crankshaft and replace the bolt and may well replace the modified sleeve and discs plus a new oil seal. rinse the crankshaft and timing cover, install the O-ring seal, and install the bearing sleeve and inner disc to the new bolt and turn it into the crankshaft. Install the new oil seal, and fit the pulley and outer disc onto the bolt but do not overtighten it, making sure that the crankshaft does not turn. Lastly, replace the auxiliary drivebelt, the wheel arch liner, and wheel roadwheel and then lower the vehicle onto the ground.
• Vibration Damper
  06F-105-243-J
  Q: How to remove and refit the Harmonic Balancer for Diesel engines on Audi A3?

  A:

  To take off the crankshaft pulley, put off the ignition and all the electrical consumers and take out the ignition key. To access it better lift the front right-hand side of the vehicle and place it firmly on axle stands and then remove the roadwheel. The second step is to remove the screws of the securing and the removal of the engine undertray(s) or wheel arch liner panels. On turbo models, unscrew the nut at the back and the washer-type fasteners even further forward and the air hose clip and manipulate out the plastic air duct to the intercooler. Prize the cover at the middle of the pulley to open securing bolts (where necessary). Looseen the bolts holding the crankshaft pulley in place to the sprocket, and, as required, stop the rotation of the pulley, by counter holding with a spanner or socket on the crankshaft sprocket bolt. Take out the drivebelt auxiliary, unscrew the bolts holding the pulley on the sprocket, and remove the pulley. To refit, simply put the pulley on the locating peg on the crankshaft sprocket and then attach it using the bolts. Re-fit and tension the auxiliary drivebelt and also make sure not to allow the crankshaft to rotate during the process of fitting and tightening of the pulley securing bolts to the required torque. Lastly, refit the engine undertray(s), wheel arch liners, and intercooler air duct (as necessary) and lastly, fit back the roadwheel and bring the vehicle back to the ground.