Buy 146401-4720 ZEXEL 9 461 624 529 BOSCH HYDRAULIC HEAD 9461624529 1464014720

2. Remove covers (1) and (2) from the back side of the timing gear plate. 3. Remove the two bolts and clamp from location (X) that hold the crankshaft front seal adapter in position. Remove the crankshaft front seal adapter and front seal from the engine as a unit.4. Remove all bolts (3) that hold the timing gear cover in position on the engine. Remove timing gear cover (4) and the gasket from the engine.Install Timing Gear Cover
1. Put the gasket and timing gear cover (1) in position on the engine, and install the bolts that hold it. Tighten the two bolts at location (X) to a torque of 23 4 N m (17 3 lb ft).2. Put the crankshaft front seal adapter and seal in position in the timing gear cover. Install the clamp that holds it. 3. Put the gasket, cover (2) and clamp (3) in position. Install the bolts that hold them. Install the O-ring seal, cover (4) and the bolts that hold them.4. Trim the timing gear cover gasket so it is even with the bottom of the cylinder block.5. Put a thin coat of 3S6252 RTV Silicone Adhesive/Sealant to the bottom surface of the timing gear cover gasket. Remove the shims, and install the oil pan bolts. If it was necessary to remove the oil pan plate, see topic, "Remove & Install Oil Pan Plate". Install the oil pan plate.End By:a. install vibration damper and pulley (3306)b. install crankshaft pulley (3304)c. install gauge group (if equipped)d. install front supporte. install water pump