LS 400 V8-4.0L (1UZ-FE) (1990)
Water Pump: Service and Repair
WATER PUMP COMPONENTS
REMOVAL OF WATER PUMP
1. DRAIN ENGINE COOLANT
2. DISCONNECT RADIATOR INLET HOSE FROM WATER INLET PIPE
3. REMOVE IGNITION COIL (RIGHT SIDE)
(a) Disconnect the connector and high-tension cord.
(b) Remove the three bolts and ignition coil.
(c) Remove the pickup sensor connector.
4. DISCONNECT TIMING BELT
5. REMOVE WATER INLET HOUSING
(a) Disconnect the water hoses from the inlet housing.