Removal And Installation: Piston
Special tools and workshop equipment required
- Drip Tray V.A.G 1306 or Drip Tray for VAS 6100 VAS 6208
- Torque Wrench (5-50 Nm) V.A.G 1331
- Torque Wrench (40-200 Nm) V.A.G 1332
- Spring Type Clip Pliers VAS 5024 A
- Polydrive Bit and Drive Socket T10070
- Ignition Coil Puller T40039
- Silicone Sealant D 174 003 A2
Removing
-- Remove the engine. Refer to ENGINE, REMOVING .
-- Separate the engine and transmission. refer to ENGINE AND TRANSMISSION, SEPARATING
-- Secure the engine to the engine and transmission holder. Refer to ENGINE, SECURING TO THE Engine and Transmission Holder VAS 6095 .
-- Remove the cylinder head. Refer to CYLINDER HEAD .
-- Remove the upper oil pan. Refer to UPPER OIL PAN .
-- Mark the installed position and cylinder allocation on the piston to be removed.
-- Remove the connecting rod bearing cap and pull the piston and connecting rod upward.
Heat the piston to approximately 60 °C (140 °F) if it is difficult to move the piston pin.
-- Remove the circlip from the eye of the piston pin.
-- Remove the piston pin using a pilot drift VW 222 A.
Installing
Installation is performed in the reverse order of removal.
-- Tightening specification, refer to PISTONS AND CONNECTING ROD OVERVIEW .
Replace the bolts which have been tightened to a torque angle.
The arrow on the piston face points toward the belt pulley side.
Offset the piston ring gap by 120°.
-- Coat the contact surfaces on the bearing shells with oil.
-- Install the piston with a piston ring compressor. Pay attention to the installed position.
-- Install the connecting rod bearing cap. Pay attention to the installed position.
-- Install the upper oil pan. Refer to UPPER OIL PAN .
-- Install the cylinder head. Refer to CYLINDER HEAD .
-- Install the transmission to the engine. Refer to ENGINE AND TRANSMISSION, SEPARATING .
-- Install the engine. Refer to ENGINE, INSTALLING .