1.CHECK FOR ENGINE COOLANT LEAKS
CAUTION:
Do not remove the radiator cap while the engine and
radiator are still hot. Pressurized, hot engine coolant
and steam may be released and cause serious
burns.
NOTICE:
Before performing each inspection, turn the A/C
switch OFF.
(a) Fill the radiator with coolant and attach a radiator
cap tester .
(b) Warm up the engine.
(c) Using a radiator cap tester, increase the pressure
inside the radiator to 118 kPa (1.2 kgf*cm, 17 psi),
and check that the pressure does not drop.
If the pressure drops, check the hoses, radiator and
water pump for leaks. If no external leaks are found,
check the heater core, cylinder block and cylinder
A133894
head.
CO–1
2.INSPECT ENGINE COOLANT LEVEL IN RESERVOIR
(a) Check that the engine coolant level is between the
LOW and FULL lines when the engine is cold.
If the engine coolant level is low , check for leaks and
add "TOYOTA Super Long Life Coolant" or similar
high quality ethylene glycol based non-silicate, non-
amine, non-nitrite and non-borate coolant with long-
life hybrid organic acid technology to the FULL line.
NOTICE:
Do not substitute plain water for engine coolant.
3.INSPECT ENGINE COOLANT QUALITY
(a) Remove the radiator cap.
CAUTION:
Do not remove the radiator cap while the engine
and radiator are still hot. Pressurized, hot
engine coolant and steam may be released and
cause serious burns.
(b) Check if there are any excessive deposits of rust or
scales around the radiator cap and radiator filler
hole. Also, the coolant should be free of oil.
If excessively dirty, clean the coolant passage and
replace the coolant.
(c) Install the radiator cap.
CO
CO–2
ENGINE2GR-FE COOLING
2GR-FE COOLING – COOLING FAN SYSTEM
COOLING FAN SYSTEM
PARTS LOCATION
ECM
CO
COOLING FAN ASSEMBLY
-MAIN FAN MOTOR
-SUB FAN MOTOR
-COOLING FAN ECM
INSTRUMENT PANEL JUNCTION BLOCK
-ECU IG NO. 1
ENGINE ROOM RELAY BLOCK
-FAN MAIN FUSE
-COOLING FAN RELAY
A137457E02
2GR-FE COOLING – COOLING FAN SYSTEM
SYSTEM DIAGRAM
CO–3
A54
Cooling Fan ECU
Main Fan
Motor
Sub Fan
Motor
M+ (M)
M- (M)
M+ (S)
M- (S)
A55
ECM
S1
243
+B1
335
E1
1
FAN MAIN
12
FAN MAIN
ECU IG No. 1
RFC
From Battery
From Battery
A136998
CO
CO–4
2GR-FE COOLING – COOLING FAN SYSTEM
ON-VEHICLE INSPECTION
1.INSPECT COOLING FAN SYSTEM
(a) Put the vehicle in the following conditions:
(1) The ignition switch is off.
(2) The coolant temperature is less than 95°C
(203°F).
(3) The battery voltage is between 9 and 14 V.
(4) The A/C switch is OFF.
(b) Connect the 400 A probe of the ammeter to
terminals M+ (M) and M+ (S) of the cooling fan
motor.
(c) Turn the ignition switch on (IG) and wait for
approximately 10 seconds. Check that the fan
stops.
(d) Start the engine. Check that the fan stops with the
engine idling.
HINT:
•Make sure that the radiator engine coolant
temperature is less than 95°C (203°F).
•Turn the A/C switch OFF.
(e) Check that the fan operates when the A/C switch is
turned ON (MAX COOL and the magnet clutch is
operating).
Standard current : Without trailer hitch
CO
ItemSpecified Condition
Cooling fan motor2 to 8 A
Cooling fan motor No. 22 to 8 A
Standard current : With trailer hitch
ItemSpecified Condition
Cooling fan motor2 to 11 A
Cooling fan motor No. 22 to 11 A
HINT:
The coolant temperature is less than 95°C (203°F).
(f)Check that the fan operates when the engine
coolant temperature sensor connector is
disconnected.
Standard current : Without trailer hitch
ItemSpecified Condition
Cooling fan motor2 to 11 A
Cooling fan motor No. 22 to 11 A
Standard current : With trailer hitch
ItemSpecified Condition
Cooling fan motor2 to 15 A
Cooling fan motor No. 22 to 15 A
MAX HI
Fan
Speed
LO
2GR-FE COOLING – COOLING FAN SYSTEM
Operating Diagram
A/C OFF
CO–5
(g) After the engine is warmed up, check that the fan
operates as shown in the illustration on the left.
HINT:
•The coolant temperature at which the fan starts
operating is approximately 95°C (203°F).
•This system can also be checked using the
intelligent tester.
•Select the following menu items: Power train /
Engine / Data List / Initial Engine Coolant Temp.
95 97100 102
203 207212 216
A139339E02
°C
°F
CO
2GR-FE COOLING – COOLANT
COOLANT
ON-VEHICLE INSPECTION
1.REMOVE FRONT WHEEL OPENING EXTENSION
PAD RH
2.REMOVE FRONT WHEEL OPENING EXTENSION
PAD LH
3.REMOVE ENGINE UNDER COVER RH
4.REMOVE ENGINE UNDER COVER LH
5.REMOVE V-BANK COVER SUB-ASSEMBLY (See
page EM-23)
6.REMOVE COOL AIR INTAKE DUCT SEAL (See page
EM-23)
7.DRAIN ENGINE COOLANT
NOTICE:
Do not remove the radiator cap sub-assembly while
the engine and radiator are still hot. Pressurized, hot
engine coolant and steam may be released and
cause serious burns.
(a) Remove the radiator cap sub-assembly from the
radiator assembly.
(b) Loosen the radiator drain cock plug and 2 cylinder
block drain cock plugs, then drain the coolant.
CO–5
Radiator Cap
Cylinder Block Drain Cock Plug
Cylinder Block Drain Cock Plug
CO
Radiator Drain Cock Plug
A128117E02
HINT:
Collect the coolant in a container and dispose of it
according to the regulations in your area.
CO
CO–6
2GR-FE COOLING – COOLANT
8.ADD ENGINE COOLANT
(a) Close the radiator drain cock plug and 2 cylinder
block drain cock plugs.
Torque: 13 N*m (130 kgf*cm, 9 ft.*lbf) for
cylinder block drain cock plug
(b) Slowly fill the radiator with TOYOT A Super Long Life
Coolant (SLLC).
Specified capacity:
9.0 liters (9.5 US qts, 7.9 lmp. qts)
HINT:
•TOYOTA vehicles are filled with TOYOTA SLLC
at the factory. In order to avoid damage to the
engine cooling system and other technical
problems, only use TOYOTA SLLC or similar
high quality ethylene glycol based non-silicate,
non-amine, non-nitrite, non-borate coolant with
long-life hybrid organic acid technology (coolant
with long-life hybrid organic acid technology
consists of a combination of low phosphates and
organic acids).
•Contact your TOYOTA dealer for further details.
(c) Slowly pour coolant into the radiator reservoir tank
until it reaches the FULL line.
(d) Press the inlet and outlet radiator hoses several
times by hand, and then check the level of the
coolant.
If the coolant level is low, add coolant.
(e) Install the radiator cap sub-assembly and reservoir
tank cap.
(f)Start the engine, and warm it up.
HINT:
Adjust the air conditioner set temperature to MAX
(HOT).
(g) Stop the engine, and wait until the engine coolant
cools down.
(h) Add engine coolant to the FULL line on the radiator
reservoir.
9.CHECK FOR ENGINE COOLANT LEAKS (See page
CO-1)
10. INSTALL V-BANK COVER SUB-ASSEMBLY (See
page EM-52)
11. INSTALL ENGINE UNDER COVER RH
12. INSTALL ENGINE UNDER COVER LH
13. INST ALL FRONT WHEEL OPENING EXTENSION P AD
RH
14. INST ALL FRONT WHEEL OPENING EXTENSION P AD
LH
15. INSTALL COOL AIR INTAKE DUCT SEAL (See page
EM-52)
ENGINE2GR-FE COOLING
WATER PUMP
COMPONENTS
2GR-FE COOLING – WATER PUMP
CO–7
WATER PUMP ASSEMBLY
9.1 (93, 81 in.*lbf)
9.1 (93, 81 in.*lbf)
21 (214, 15)
21 (214, 15)
WATER PUMP PULLEY
43 (438, 32)
NO. 2 IDLER PULLEY
SUB-ASSEMBLY
NO. 2 IDLER PULLEY
COVER PLATE
×5
×9
GASKET
43 (438, 32)
NO. 2 IDLER PULLEY
SUB-ASSEMBLY
NO. 2 IDLER PULLY
COVER PLATE
O-RING
43 (438, 32)
43 (438, 32)
V-RIBBED BELT TENSIONER
ASSEMBLY
CO
10 (102, 7)
54 (551, 40)
54 (551, 40)
54 (551, 40)
×3
N*m (kgf*cm, ft.*lbf)
×2
×2
: Specified torque
GASKET
WATER INLET HOUSING
NO. 1 ENGINE MOUNTING BRACKET FRONT LH
Non-reusable part
Precoated part
A134976E07
CO–8
FR Side:
2GR-FE COOLING – WATER PUMP
REMOVAL
1.REMOVE ENGINE ASSEMBLY AND TRANSAXLE
HINT:
See page EM-23
2.SECURE ENGINE STAND
HINT:
See page EM-30
3.REMOVE NO. 1 ENGINE MOUNTING BRACKET
FRONT LH (See page EM-35)
4.REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY
(a) Remove the 2 bolts, 2 idler pulley cover plates and 2
idler pulley sub-assemblies.
CO
RR Side:
SST
A129645E01
5.REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
(a) Remove the 5 bolts and V-ribbed belt tensioner
assembly.
A135522
6.REMOVE WATER PUMP PULLEY
(a) Using SST, hold the water pump pulley.
SST09960-10010 (09962-01000, 09963-00700)
(b) Remove the 4 bolts and water pump pulley.
A128112E03
2GR-FE COOLING – WATER PUMP
Water Hose
Water Inlet Housing
A133375E01
CO–9
7.REMOVE WATER INLET HOUSING
(a) Disconnect the water hose.
(b) Remove the 2 bolts, nut and water inlet housing.
(c) Remove the water inlet housing gasket and water
outlet pipe O-ring.
A128120
B
A
AA
Drain Hole
C
A
C
8.REMOVE WATER PUMP ASSEMBLY
(a) Remove the 16 bolts, water pump assembly and
water pump gasket.
A094889
Air Hole
INSPECTION
1.INSPECT WATER PUMP ASSEMBLY
(a) Visually check the drain hole and air hole for coolant
leakage.
CO
(b) Turn the pulley, and check that the water pump
bearing moves smoothly and noiselessly.
If the bearing does not move smoothly and
noiselessly, replace the water pump.
A096655E06
B
B
B
INSTALLATION
1.INSTALL WATER PUMP ASSEMBLY
A
(a) Install a new water pump gasket and the water
pump assembly with the 16 bolts.
Torque: Bolt A
21 N*m (214 kgf*cm, 15 ft.*lbf)
B
A
A
A
A
A128115E01
NOTICE:
Bolts B and C
9.1 N*m (93 kgf*cm, 81 in.*lbf)
•Make sure that there is no oil on the threads
of bolts A.
CO–10
2GR-FE COOLING – WATER PUMP
Water Hose
Water Inlet Housing
•Be sure to replace 2 bolts C with new ones or
reuse them after applying adhesive 1344.
Adhesive:
T oyot a Genuine Adhesive 1344, Three Bond
1344 or Equivalent
2.INSTALL WATER INLET HOUSING
(a) Install a new water inlet housing No. 1 gasket and
water outlet pipe O-ring.
A128122
(b) Install the water inlet housing with the 2 bolts and
nut.
Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf)
NOTICE:
Be careful not to allow the O-ring to get caught
between the parts.
(c) Connect the water hose.
CO
SST
A133375E01
3.INSTALL WATER PUMP PULLEY
(a) Temporarily install the water pump pulley with the 4
bolts.
(b) Using SST, hold the water pump pulley.
SST09960-10010 (09962-01000, 09963-00700)
(c) Tighten the 4 bolts.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
A128112E01
4.INSTALL V-RIBBED BELT TENSIONER ASSEMBLY
(a) Install the V-ribbed belt tensioner assembly with the
5 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
A135522
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