Toyota Tundra (2015 year). Manual — part 1812
Last Modified: 9-16-2014
6.6 G
Doc ID: RM000000XYW0ADX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE COOLING: RADIATOR: ON-VEHICLE INSPECTION; 2015 MY Tundra [08/2014 - ]
ON-VEHICLE INSPECTION
1. INSPECT RADIATOR CAP SUB-ASSEMBLY
CAUTION:
(a) Measure the valve opening pressure.
(1) If there are water stains or foreign matter on rubber packing 1, 2 or 3, clean it by using water and
finger scouring.
(2) Check that rubber packing 1, 2 and 3 are 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.
(5) Prepare a radiator cap tester, and tilt it more than 30°.
(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:
ITEM
SPECIFIED CONDITION
Standard value
(for brand-new cap)
93 to 123 kPa (1.0 to 1.3 kgf/cm
2
, 13.5 to 17.8 psi)
Minimum standard value
(after using cap)
78.5 kPa (0.8 kgf/cm
2
, 11.4 psi)
3UR-FE COOLING: RADIATOR: ON-VEHICLE INSPECTION; 201...
If the maximum pressure is less than the minimum standard value, replace the radiator cap
sub-assembly.
2. INSPECT FINS FOR BLOCKAGE
(a) Check that the radiator and condenser are not blocked with leaves, dirt, or insects. Clean the hose
connections.
If the fins are blocked, wash them with water or a steam cleaner.
NOTICE:
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:
INJECTION 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)
If the fins are bent, straighten them with a screwdriver or pliers.
Never apply water directly onto the electric components.
(b) Dry the fins with compressed air.
3UR-FE COOLING: RADIATOR: ON-VEHICLE INSPECTION; 201...
Last Modified: 9-16-2014
6.6 A
Doc ID: RM000002BGI040X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE COOLING: RADIATOR: REMOVAL; 2015 MY Tundra [08/2014 - ]
REMOVAL
1. REMOVE RADIATOR GRILLE SUB-ASSEMBLY
2. REMOVE NO. 1 ENGINE UNDER COVER
3. DRAIN ENGINE COOLANT
4. REMOVE V-BANK COVER SUB-ASSEMBLY
5. DISCONNECT INLET RADIATOR HOSE
(a) Slide the clip and disconnect the inlet radiator hose from the radiator assembly.
6. DISCONNECT OUTLET RADIATOR HOSE
(a) Slide the clip and disconnect the outlet radiator hose from the radiator assembly.
7. REMOVE FAN SHROUD
(a) Loosen the 4 nuts holding the fan with fluid coupling.
(b) Remove the fan and generator V-belt.
(c) Disconnect the reservoir hose from the upper radiator tank.
(d) for Condenser with Integrated Oil Cooler:
Detach the claw and open the No. 1 flexible hose clamp.
3UR-FE COOLING: RADIATOR: REMOVAL; 2015 MY Tundra [08/2...
(e) Remove the 2 bolts holding the fan shroud.
NOTICE:
Be careful not to damage the radiator core.
(g) Remove the fan pulley from the fan bracket.
8. DISCONNECT RADIATOR SIDE DEFLECTOR RH
(a) Using a clip remover, remove the 3 clips to disconnect the
radiator side deflector RH.
Text in Illustration
*a
except Condenser with Integrated Oil Cooler
*b
for Condenser with Integrated Oil Cooler
9. DISCONNECT RADIATOR SIDE DEFLECTOR LH
(a) Using a clip remover, remove the 3 clips to disconnect the
radiator side deflector LH.
10. REMOVE RADIATOR ASSEMBLY
3UR-FE COOLING: RADIATOR: REMOVAL; 2015 MY Tundra [08/2...
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