Removal And Installation: Piston
Special tools and workshop equipment required
- Pilot Drift VW 222 A
- Engine and Transmission Holder VAS 6095
- Piston ring compressor, commercially available
Removing
- Engine secured to VAS 6095, refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER
-- Install the cylinder head, refer to:
-- Remove the upper oil pan. Refer to UPPER OIL PAN .
-- Mark the installed position and cylinder allocation
-- Mark the installed position and connecting rod cylinder PISTONS AND CONNECTING ROD OVERVIEW .
-- Remove the connecting rod bearing cap and pull the piston and connecting rod upward.
Warm the piston to approximately 60 °C (140 °F) if it is difficult to move the piston pin.
-- Remove the locking ring from the eye of the piston bolt.
-- Remove the piston pin using VW 222 A.
Installing
Installation is carried out in the reverse order while noting the following:
- For the correct tightening specifications, refer to PISTONS AND CONNECTING ROD OVERVIEW .
Replace the bolts that are tightened to specification.
Arrow on piston face points toward 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 PISTONS AND CONNECTING ROD OVERVIEW .
-- Install the connecting rod bearing cap. Pay attention to the installed position NEW CONNECTING ROD, SEPARATING .
-- Install the cylinder head, refer to:
-- Install the upper oil pan. Refer to UPPER OIL PAN .