Toyota Tundra. Manual — part 1681

Fig. 33: Identifying Radiator Replacement Components With Torque Specifications (3 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

ON-VEHICLE INSPECTION

CAUTION: To avoid the danger of being burned, do not remove the radiator cap while

the engine and radiator are still hot, as fluid and steam can be blown out
under pressure.

2009 Toyota Tundra

2009 ENGINE Cooling (2UZ-FE) - Tundra

1. INSPECT RADIATOR CAP SUB-ASSEMBLY

a. Measure the valve opening pressure.

1. If there are water stains or foreign matter on rubber packing 1, 2 or 3, clean it with water and

finger scouring.

Fig. 34: Checking Radiator Cap Operation
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. Check that rubber packing 1, 2 or 3 is not deformed, cracked or swollen.

3. Check that rubber packing 3 and 4 are not stuck together.

4. Apply engine coolant to rubber packing 2 and 3 before using a radiator cap tester.

5. When using the cap tester, tilt it more than 30°.

Fig. 35: Tilting Cap Tester More Than 30°
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

6. Pump the cap tester several times, and check the maximum pressure*.

Pumping speed: 1 pump per second

HINT:

*: Even if the cap cannot maintain the maximum pressure, it is not a defect.

Standard judgment criterion

RADIATOR CAP SUB-ASSEMBLY SPECIFIED CONDITION

Item

Specified Condition

2009 Toyota Tundra

2009 ENGINE Cooling (2UZ-FE) - Tundra

If the maximum pressure is less than the minimum standard valve, replace the radiator cap
sub-assembly.

2. INSPECT FINS FOR BLOCKAGE

a. Check that the fins of the radiator core are not blocked with leaves, dirt, or insects.

If the fins are blocked, wash them with water or a steam cleaner.

b. Dry the fins with compressed air.

REMOVAL

1. REMOVE NO. 1 ENGINE UNDER COVER (See REPLACEMENT )

2. DRAIN ENGINE COOLANT (see COOLANT )

3. DISCONNECT NO. 1 OIL COOLER INLET HOSE AND NO. 1 OIL COOLER OUTLET HOSE

(w/ Trailer Towing System)

a. Disconnect the 2 oil cooler hoses.

Standard valve (for brand-new cap)

93 to 123 kPa (1.0 to 1.3 kgf/cm

2

, 13.5 to 18 psi)

Minimum standard valve (after using cap)

79 kPa (0.8 kgf/cm

2

, 11.4 psi)

NOTE:



If the distance between the steam cleaner and core is too close,
the fins may be damaged.



Keep the following injection distance.

Standard injection distance

RADIATOR CAP SUB-ASSEMBLY SPECIFIED CONDITION



If the fins are bent, straighten them with a screwdriver or pliers.



Never apply water directly onto the electric components.

Specified

Condition

Injection Pressure

300 mm (11.8 in.) 2942 to 4903 kPa (30.0 to 50.0 kgf/ cm

2

, 427

to 711 psi)

500 mm (19.7 in.) 4903 to 7845 kPa (50.0 to 80.0 kgf/ cm

2

, 711

to 1138 psi)

2009 Toyota Tundra

2009 ENGINE Cooling (2UZ-FE) - Tundra

Fig. 36: Identifying Oil Cooler Hoses
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Detach the claw to open the flexible hose clamp.

4. REMOVE FRONT BUMPER COVER (w/ Trailer Towing System)

a. For resin type, refer to the following procedures (see REMOVAL ).

b. Except resin type, refer to the following procedures (see REMOVAL ).

5. REMOVE RADIATOR SIDE DEFLECTOR LH

a. Using a clip remover, remove the 6 clips.

Fig. 37: Identifying Radiator Side Deflector LH Clips
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Remove the wire harness clamp.

6. REMOVE RADIATOR SIDE DEFLECTOR RH (w/o Trailer Towing System)

a. Using a clip remover, remove the 6 clips.

2009 Toyota Tundra

2009 ENGINE Cooling (2UZ-FE) - Tundra