Torsional vibration damper installation and removal guide

Corteco provides step-by-step guide for vehicle technicians

Torsional vibration damper installation and removal guide
Corteco has issued guidance to garages on TVD installation.

Corteco has released a guide for technicians to use when fitting Torsional Vibration Dampers (TVDs).

The dampers provide vital protection for a vehicle’s engine.

TVDs are made up of rubber and metal components; the rubber within the metal absorbs excessive vibrations that are leaked from the engine.

According to Corteco, without the protection from the TVDs, these vibrations, if transmitted, can damage surrounding components causing them to fail prematurely.

The company offers vibration control components and repair kits in OEM quality for more than 27,500 types of vehicles.

All products are designed to meet the highest quality standards and are manufactured using the latest production methods.

The steps below show you how you can successfully remove and install a replacement TVD.

Replacing a TVD

  • Step 1 – The belt routing can be quite complex so Corteco advise that you take a picture or draw a quick sketch of this.
  • Step 2 – Next, you need to remove the tensioner from the belt, this can be easily done by rotating the pulley.
  • Step 3 – To remove the TVD from the crankshaft. you need to loosen the mounting bolts.

Every TVD can be different, therefore the time taken to complete this step may differ.

If the TVD you are replacing has a central expansion bolt, you will need to block the flywheel and replace the central bolt.

If the TVD you are replacing doesn’t have a central bolt, it can be removed by holding the pulley and removing the mounting bolts.

Corteco recommends that all bolts are replaced with the TVD; the company offers complete TVD kits to make this possible.

Fitting the TVD

  • Step 4 – Unpack the new damper and place this on the engine.
  • Step 5 – Now the new TVD is on, you need to tighten the mounting bolts.

If there are several bolts, Corteco recommends tightening alternate bolts and working them in a star pattern.

Torque the mounting bolts to 1/3 of the installation torque.

  • Step 6 – Before fully tightening the bolts, you should torque the mounting bolts to 2/3 and then continue to tighten them to the full torque as specified by the vehicle manufacturer in the manual.
  • Step 7 – Before releasing the vehicle back to the customer, it is advised to inspect the front end auxiliary drive for wear and to replace any parts that are showing significant signs of stress.

Ensure the belt has been re-fitted before starting the engine.

  • Step 8 – The final step to the installation and removal process is reloading the belt onto the tensioner by rotating it to the correct position.

Ensure the belt has been re-fitted before starting the engine.

If you don’t, it could cause significant damage.

As a pulley is seen as a crucial repair, only quality products should be used.

Corteco offers a lifetime warranty on all TVD kits.

Find out more about Corteco’s TVDs and product range by clicking ‘more details’ below.

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