water pump TOYOTA T100 1996 Factory Owner's Guide

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P20920
P21660
P21515
CO−6
− COOLING (5VZ−FE)WATER PUMP
1996 TOYOTA T100 (RM449U)
INSPECTION
1. INSPECT WATER PUMP
(a) Visually check the air hole and water hole for coolant leak-
age.
If leakage is found, replace the water pump.
If engine coolant has leaked onto the timing belt, replace the
timing belt.
(b) Turn the pulley, and check that the water pump bearing
moves smoothly and quietly.
If necessary, replace the water pump.
2. INSPECT FLUID COUPLING
(a) Remove the 4 nuts and fan from the fluid coupling.
(b) Check that the fluid coupling is not damaged and that no
silicon oil leaks.
If necessary, replace the fluid coupling.
3. INSPECT FAN PULLEY BRACKET
(a) Check the turning smoothness of the fan pulley.
If necessary, replace the pulley bracket.
(b) Reinstall the fan to the fluid coupling with the 4 nuts.
Torque:5.4 N·m (75 kgf·cm, 48 in.·lbf)
4. INSPECT TIMING BELT
(See page EM−17)

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P20922
Seal Packing
− COOLING (5VZ−FE)WATER PUMP
CO−7
1996 TOYOTA T100 (RM449U)
INSTALLATION
1. INSTALL WATER PUMP
(a) Remove any old packing (FIPG) material and be careful
not to drop any oil on the contact surfaces of the water
pump and cylinder block.
Using a razor blade and gasket scraper, remove all
the old packing (FIPG) material from the gasket sur-
faces and sealing groove.
Thoroughly clean all components to remove all the
loose material.
Using a non−residue solvent, clean both sealing
surfaces.
(b) Apply seal packing to the water pump groove.
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.
HINT:
Avoid applying an excessive amount to the surface.
Parts must be assembled within 5 minutes of ap-
plication. Otherwise the material must be removed
and reapplied.
Immediately remove nozzle from the tube and rein-
stall cap.
(c) Install the water pump with the 7 bolts.
Torque:20 N·m (200 kgf·cm, 14 ft·lbf)
2. w/ OIL COOLER:
CONNECT NO.2 OIL COOLER HOSE
3. INSTALL THERMOSTAT
(See page CO−11)
4. INSTALL TIMING BELT
(See page EM−19)

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P20967Jiggle Valve
− COOLING (5VZ−FE)THERMOSTAT
CO−9
1996 TOYOTA T100 (RM449U)
REMOVAL
1. DRAIN ENGINE COOLANT
2. DISCONNECT LOWER RADIATOR HOSE
3. REMOVE THERMOSTAT
(a) Remove the 3 nuts, water inlet and thermostat with gas-
ket from the water pump.
Torque: 20 N·m (200 kgf·cm, 14 ft·lbf)
(b) Remove the gasket from the thermostat.
HINT:
Use a new gasket.

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Z02362
Radiator Cap Tester
Radiator Cap
P14264
− COOLING (5VZ−FE)RADIATOR
CO−13
1996 TOYOTA T100 (RM449U)
ON−VEHICLE INSPECTION
1. REMOVE RADIATOR CAP
CAUTION:
To avoid the danger of being burned, do not remove the ra-
diator cap while the engine and radiator are still hot, as fluid
and steam can be blown out under pressure.
2. INSPECT RADIATOR CAP
NOTICE:
If the radiator cap has contaminations, always rinse it with
water.
Using a radiator cap tester, pump the tester and measure the
relief valve opening pressure.
Standard opening pressure:
74 − 103 kPa
(0.75 − 1.05 kgf/cm
2, 10.7 − 14.9 psi)
Minimum opening pressure:
59 kPa (0.6 kgf/cm
2, 8.5 psi)
HINT:
Use the tester’s maximum reading as the opening pressure.
If the opening pressure is less than minimum, replace the radia-
tor cap.
3. INSPECT COOLING SYSTEM FOR LEAKS
(a) Fill the radiator with coolant and attach a radiator cap tes-
ter.
(b) Warm up the engine.
(c) Pump it to 118 kPa (1.2 kgf/cm
2, 17.1 psi), and check that
the pressure does not drop.
If the pressure drops, check the hoses, radiator or water pump
for leaks. If no external leaks are found, check the heater core,
cylinder block and head.
4. REINSTALL RADIATOR CAP