Timing control cover O-ring, replacing

WARNING: This page is about a different car, the 1999 Volkswagen Jetta, 1998 Volkswagen Jetta, and 1997 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Fire hazard! Do not have anything in the area that can ignite Diesel fuel.

Place clean cloth under Diesel injection pump.
Remove cover screws -1-.
Use commercially available tool for Torx(R) socket-head screws, e.g. Hazet 2115-T30
Remove cover -2- and carefully clean.
Replace O-ring -3- and install cover using existing shims -4-.

Fig 1: Removing Timing Control Cover Assembly