Section 307 (Water Pump): Installation

WARNING: This page is about a different car, the 2004 Lexus LX 470. 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 water bypass pipe end.
2. Apply soapy water to the O-ring.
3. Connect the water pump to the water bypass pipe end.
4. Install the water pump and new gasket with the 5 bolts, 2 stud bolts and nut. Uniformly tighten the bolts, stud bolts and nut in several passes.
  Torque:
  1. Bolt: 21 N.m (215 kgf.cm, 15 ft.lbf)
  2. Stud bolt and nut: 18 N.m (185 kgf.cm, 13 ft.lbf)
  HINT:
  
  Use bolts 35 mm (1.38 in.) in length.
Fig 1: Installing Water Pump
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL WATER INLET AND INLET HOUSING ASSEMBLY
1. Remove any old packing (FIPG) material and be careful not to drop any oil on the contact surfaces of the water inlet housing and water pump.
  - Using a razor blade and gasket scraper, remove all the old packing (FIPG) material from the gasket surfaces and sealing groove.
  - Thoroughly clean all components to remove all the loose material.
  - Using a non-residue solvent, clean both sailer surfaces.
2. Apply seal packing to the sealing groove of water inlet housing as shown in Fig 2.
  1. Seal packing: Part No. 08826-00100 or equivalent
    - Install a nozzle that has been cut to a 2 - 3 mm (0.08 - 0.12 in.) opening.
    - Parts must be assembled within 5 minutes of application. Otherwise the material must be removed and reapplied.
    - Immediately remove nozzle from the tube and reinstall cap.
    Fig 2: Applying Seal Packing To Sealing Groove Of Water Inlet Housing
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install a new O-ring to the water inlet housing.
4. Apply soapy water on the O-ring.
5. Attach the water inlet housing end to the front water bypass joint hole.
6. Install the water inlet and housing assembly with the 2 bolts. Alternately tighten the bolts.
  1. Torque: 18 N.m (185 kgf.cm, 13 ft.lbf)
  HINT:
  
  Each bolt length is indicated in Fig 3.
  1. Bolt length: 76 mm (3.00 in.) for A 22 mm (0.87 in.) for B
Fig 3: Installing Water Inlet & Housing Assembly With Bolts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO.2 IDLER PULLEY (See INSTALLATION )
INSTALL TIMING BELT (See INSTALLATION )
FILL WITH ENGINE COOLANT
START ENGINE AND CHECK FOR ENGINE COOLANT LEAKS
RECHECK ENGINE COOLANT LEVEL