Replacing Valve-Stem Seals (Cylinder Head Removed)

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Pull off valve-stem seal to be replaced using the puller > 3364 - Puller (-1- ) > Puller 3364 on cylinder head

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Puller 3364 on cylinder head
Installing new valve seal on intake side:
1. 2.1 To avoid damaging the new valve-stem seal -4- during installation, fit the assembly sleeve -3- on the valve stem -2- .
2. 2.2 Lightly oil the sealing lip on the valve-stem seal -4- .
3. 2.3 Insert valve-stem seal -4- into the > 3365 - press-on tool (-5- ) and carefully press it over the assembly sleeve -3- as far as it will go onto the valve guide -1- .
4. 2.4 Remove assembly sleeve -3- .
Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Installing valve-stem seal on intake side
Installing new valve seal on outlet side:
1. 3.1 To avoid damaging the new valve-stem seal -4- during installation, fit the assembly sleeve -3- on the valve stem -2- .
2. 3.2 Coat sealing lip of the valve-stem seal -4- with oil.
3. 3.3 Insert valve-stem seal -4- into the > T40376/2 - press-on tool (-5- ) and carefully press it over the assembly sleeve -3- as far as it will go onto the valve guide -1- .
4. 3.4 Remove assembly sleeve -3- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Installing valve-stem seal on outlet side