Preliminary Work For Valve Tappet Removal

Disconnect battery.
Set up and secure convertible top compartment lid.
Remove top engine-compartment cover.
Remove left-hand seat.
Remove rear wall lining and rear wall cover. Put on floor protection cover.

Fig 1: Removing Rear Wall Lining And Rear Wall Cover
Courtesy of PORSCHE OF NORTH AMERICA, INC.
In vehicles with air conditioning, the following additional operations must be performed:
1. Remove drive belt. Mark the running direction of the belt with a colored pen. Relieve the belt tension. To do this, turn the tensioning roller (wrench size 24 mm) clockwise and simultaneously remove the belt from the drive pulleys.
  
  Fig 2: Turning Drive Belt Tensioning Roller Clockwise
  Courtesy of PORSCHE OF NORTH AMERICA, INC.
2. Remove pulley of the hydraulic pump.
3. Undo the front compressor fastening screws (2 ea.) and disconnect the electrical plug connection.
  
  Fig 3: Locating Compressor Fastening Screws
  Courtesy of PORSCHE OF NORTH AMERICA, INC.
4. Undo the compressor fastening screw between the intake pipes of cylinders 4 and 5.
  
  Fig 4: Locating Compressor Fastening Screw Between The Intake Pipes Of Cylinders 4 And 5
  Courtesy of PORSCHE OF NORTH AMERICA, INC.
5. Undo the B+ connection (box) on the engine and put it aside.
6. Suck out fluid from power steering reservoir until level is below the joint. Open bayonet lock and remove the reservoir. Close opening.
  
  Fig 5: Locating B+ Connection (Box)
  Courtesy of PORSCHE OF NORTH AMERICA, INC.
7. Lift the air-conditioning compressor with the connected lines out of the engine compartment and place on a wooden surface on the Centre tunnel or console.
Fig 6: Lifting Air-Conditioning Compressor With The Connected Lines Out Of The Engine Compartment
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Remove the rear wheels.
Remove right and left diagonal braces.
Remove rear support sheet.
Detach and remove exhaust manifold of cylinder head 4-6.

Fig 7: Removing Exhaust Manifold Of Cylinder Head 4-6
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Unclip oxygen-sensor plug from the brackets of the rear-axle support.
Detach cable between engine and rear-axle support at the rear-axle support.

Fig 8: Detaching Engine Cable Between Engine And Rear-Axle Support
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Detach rear-axle support and remove to the side.

Fig 9: Detaching Rear-Axle Support
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Drain engine oil.