Removing Hydraulic Tappets

Information 

• Observe the most important working regulations and warning notes  → The most important working regulations and warning notes. 

Information 

• Rocker arms are joined to the hydraulic tappets with a safety clip. 
• The safety clip must be handled carefully! 
• If the hydraulic tappets are to be re-used, they must be marked according to installation position using a water-resistant felt-tip pen and set aside in such a way that they cannot be mixed up! 
• If the hydraulic tappets are to be re-used, they must be installed at the same position! 
• Rocker arms must be set aside in such a way that they cannot be mixed up. 

1. Take rocker arms with hydraulic tappets out of cylinder head.
   1. 1.1. Rocker arms, complete with safety clip and hydraulic tappet, must be pulled out carefully → Installation position of rocker arm -1- and hydraulic tappet -2-  without tilting them.
      Fig 1: Identifying Installation Position Of Rocker Arm And Hydraulic Tappet

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
2. Check component arrangement. Check that components are complete and intact.

   Defective or damaged components must be replaced. The safety clip is hooked into the front of the rocker arm -1-  and into the support lever -2-  .

   Check the position of the valve pressure face with respect to the rocker arm during removal -3-  .

   Fig 2: Identifying Components Arrangement Of Hydraulic Tappet And Rocker Arm

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
3. Lay rocker arms, hydraulic tappets and safety clips aside in such a way that they cannot be mixed up. Mark installation position according to cylinder and valve.