seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

ABOUT US
Camshafts: Removing and installing > < Valve guides: verification

Leon Mk1

Valve stem seals: replacement
Valve stem seals: replacement
Removing → Anchor
Replace → Anchor
   
Special tools and workshop equipment required
t  pressure tool -T20034C-
t  Tappet -T20039-
t  Extractor -T20058A-

Removing
(with cylinder head in place)
–  Remove camshaft → Chapter.
–  Take out bucket tappets and set them down with bearing surface facing downwards. Ensure that the followers are not mixed up.
–  Bring the piston of the respective cylinder to TDC so that the valves press on the piston head.
   
–  Position the valve tool -T20034C- with the adapter -T20034/34-.
–  Remove the valve springs.
  Note
The valves press on the piston crown.
  E15-0081
–  Extract the valve stem seals with the extractor -T20058A- .
  E15-0082
Replacing
–  Fit the plastic sleeve -A- on to the corresponding valve stem (this sleeve is included with the spare part). In this way, damage to the new valve guide seal is avoided -B-.
–  Fit the new valve stem seal onto the installation tool -T20039-.
–  Lubricate the sealing lip of valve stem seal and carefully slide the seal onto the valve guide.
Installation is carried out in the reverse order of removal while noting the following:
–  Install the camshaft → Chapter
  E15-0083

Camshafts: Removing and installing > < Valve guides: verification