Section 6 (Water Pump): Installation

WARNING: This page is about a different car, the 2001 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL WATER PUMP.
1. Install a new O-ring to the cylinder block.
2. Install the drain hose.
  
  Fig 1: Installing NEW O-Ring To Cylinder Block
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install a new gasket to the water pump.
4. Connect the water pump to the water bypass pipe. Do not install the nut yet.
  
  Fig 2: Installing NEW Gasket To Water Pump
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Install the water pump with the 2 bolts (A) and 4 bolts (B).
  1. Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
    NOTE: Hand tighten the (A) bolts first.
6. Install the 2 nuts holding the No. 2 water bypass pipe to the water pump.
  1. Torque: 21 N.m (210 kgf.cm, 15 ft.lbf)
7. Install the connector bracket (for crankshaft position sensor connector) with the bolt.
8. Install the clamp bracket (for engine wire) with the bolt.
9. Install the generator with the bolt and nut.
  1. Torque: 40 N.m (400 kgf.cm, 30 ft.lbf)
INSTALL THERMOSTAT AND WATER INLET (See THERMOSTAT - GS 300 article).

Fig 3: Installing Water Pump
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 WATER BYPASS PIPE AND WATER BYPASS OUTLET.
1. Install 2 new O-rings to the No. 1 water bypass pipe.
2. Install a new O-ring and the water bypass outlet with the 2 bolts.
  1. Torque: 9.0 N.m (90 kgf.cm, 80 in. lbf)
INSTALL IDLER PULLEY AND TIMING BELT (See TIMING BELT under REMOVAL & INSTALLATION in 3.0L 6-CYLINDER article).
INSTALL WATER PUMP PULLEY AND DRIVE BELT.
1. Torque: 14 N.m (140 kgf.cm, 10 ft.lbf)
INSTALL RADIATOR ASSEMBLY (See RADIATOR - GS 300 article).