Removing and installing pistons

Special tools and workshop equipment required

• Pin - VW 222 A-
• Piston ring clamp, commercially available

Removing

• Securing engine to assembly stand ⇒ 1.1 Removing engine.

• Removing cylinder head ⇒ 1.3 Assembly overview - cylinder head
• Mark installation position and allocation of conrod bearing caps to conrods as an aid for reinstalling ⇒ 4 Pistons and conrods.
• Unscrew conrod bearing cap.
• Withdraw piston upwards together with conrod.

• Remove retaining ring from piston pin eye.
• Drive out piston pin using drift - VW 222 A-.

Installing

Install in reverse order of removal, observing the following.

• Specified torques ⇒ 4 Pistons and conrods.

• Oil running surfaces of bearing shells.
• Install piston with piston ring clamp.

Installation position:

• Piston ⇒ 4.4.1 Checking piston
• Bearing shells in conrods ⇒ 4.4.1 Checking piston.

• Install conrod bearing cap in accordance with marking.
• Install cylinder head ⇒ 1.3 Assembly overview - cylinder head.