Piston Pins: Removal
WARNING: This page is about a different car, the 1983 Volkswagen Vanagon, 1983 Volkswagen Rabbit, 1983 Volkswagen Quantum, 1983 Volkswagen Pickup, and 1983 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Use needle-nose pliers to remove circlips. Press out pin and remove piston, noting direction piston is fitted to rod. If pin is too tight, heat piston to approximately 140°F (60°C) and then press out.