Removing Crankshaft Sealing Ring (On Belt Side)

WARNING: This page is about a different variant/trim than selected.

NOTE: Drilling work on crankshaft sealing ring

Risk of engine damage caused by drilling chips
Risk of damage to the crankcase
Do not apply pressure while drilling
→ Carefully remove drill chips

→ Drill carefully

CAUTION: The crankshaft flange can be damaged if not cleaned correctly.

Leaks
→ Never use an abrasive or polishing cloth or brushes with metal bristles.

→ Follow cleaning instructions.

WARNING: Caustic fluids

Danger of chemical burns
→ Wear personal protective gear.

→ Ensure that there is good ventilation.

→ Avoid contact with caustic fluid.

→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.

Remove crankshaft sealing ring -1- .

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Drilling positions on crankshaft sealing ring

Drill holes in the crankshaft sealing ring -1- at two directly opposite positions -Arrows- using a greased drill bit with ø 2 - 2.5 mm.

Take extractor tip from > VAS 6965 - puller set and screw into one of the bores.

Pull out crankshaft sealing ring slightly using > VAS 6965 - puller set .

Screw extractor tip from > VAS 6965 - puller set into the opposite bore and pull out the crankshaft sealing ring -1- completely and evenly, alternating between the two bores.
Clean crankshaft flange -1- and crankcase bore.

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Crankshaft flange with centering pin

Pull out centering pin -2- , check for damage and replace if necessary.

Clean crankshaft flange -1- and crankcase bore using solvent naphtha.

Check crankshaft flange -1- and crankcase bore.
1. 2.3.1 Check crankshaft flange -1- and crankcase bore for damage.
2. 2.3.2 If necessary:
  Remove traces of corrosion on crankshaft flange -1- and crankcase bore using a metal-polishing pad.
3. 2.3.3 If a metal-polishing pad was used:
  Clean the crankshaft flange -1- and crankcase bore again using solvent naphtha and leave the components to dry off for 3 minutes.
  
  Insert centering pin -2- .