My friend's LS400 had a noisy water pump and pulleys. In this video I show you how I replace the water pump, the timing belt, the multi-rib belt and the noisy pulleys. This took me two days, a lot of parts were fighting me (rounded off hex head, rusty bolts), but it was worth it!
Parts used:
Timing belt: Gates T190 - 0420755 (This timing belt is suited for the 1st gen LS 400, it is shorter than the belt in de timing belt kit)
Timing belt kit with pulleys and water pump: Gates KP1T298 - 1141422
Timing belt tensioner: ADT37655 Blue Print
Multibelt idler pulley with ribs: MaxGear 1261363
Multibelt tensioner pulley: INA 531083110
Multibelt: Gates 6PK2245
Thermostat: Meyle 1192778