volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Measuring piston projection at "TDC" > < Assembly overview - pistons and conrods
Removing and installing pistons
Removing and installing pistons
Special tools and workshop equipment required
   
t  Drift -VW 222 A-
t  Piston ring clamp, commercially available
Removing
l  Engine secured on engine and gearbox support → Chapter
–  Removing cylinder head → Rep. gr. 15 „Cylinder head, valve gear“
–  Mark installation position and allocation of conrod bearing caps to conrods as an aid for reinstalling → Chapter.
–  Unscrew conrod bearing cap.
–  Withdraw piston upwards together with conrod.
  Note
If the piston pin is difficult to move, heat the piston to approx. 60°C.
–  Remove circlip from piston pin eye.
–  Drive out piston pin using drift -VW 222 A-.
Installing
Installation is carried out in the reverse order; note the following:
l  Specified torques → Chapter.
  Note
Renew bolts tightened through an additional specified angle.
–  Oil running surfaces of bearing shells.
–  Install piston with piston ring clamp.
Installation position:
l  Piston → Fig.
l  Bearing shells in conrods → Fig..
–  Install conrod bearing cap in accordance with marking.
–  Install cylinder head → Rep. gr. 15 „Cylinder head, valve gear“.
  W00-0236

Measuring piston projection at "TDC" > < Assembly overview - pistons and conrods