2007 TOYOTA SIENNA Service Repair Manual

Page 1241 of 3000

TOYOTA SIENNA 2007  Service Repair Manual CO–42GR-FE COOLING  –  COOLING FAN SYSTEM
CO
SYSTEM DIAGRAM
A162785E01

Page 1242 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE COOLING  –  COOLING FAN SYSTEMCO–5
CO
ON-VEHICLE INSPECTION
1. INSPECT COOLING FAN SYSTEM
(a) Put the vehicle in the following conditions:
(1) The engine switch is off.
(2) The coolant temp

Page 1243 of 3000

TOYOTA SIENNA 2007  Service Repair Manual CO–62GR-FE COOLING  –  COOLING FAN SYSTEM
CO
(g) After the engine is warmed up, check that the fan 
operates as shown in the illustration.
HINT:
• The coolant temperature at which the fan starts

Page 1244 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE COOLING  –  RADIATORCO–29
CO
REMOVAL
1. REMOVE V-BANK COVER SUB-ASSEMBLY (See 
page EM-28)
2. REMOVE NO. 1 ENGINE UNDER COVER (See page 
EM-26)
3. DRAIN ENGINE COOLANT (See page CO-6)
4. RE

Page 1245 of 3000

TOYOTA SIENNA 2007  Service Repair Manual CO–302GR-FE COOLING  –  RADIATOR
CO
11. DISCONNECT NO. 2 RADIATOR HOSE
(a) Disconnect the No. 2 radiator hose from the 
radiator.
12. REMOVE HOOD LOCK RELEASE LEVER 
PROTECTOR
(a) Disengage the 4

Page 1246 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE COOLING  –  RADIATORCO–31
CO
(b) Detach the clamp.
(c) Disconnect the low pitched horn and high pitched 
horn connectors.
(d) Remove the 2 bolts and hood lock support sub-
assembly.
15. DIS

Page 1247 of 3000

TOYOTA SIENNA 2007  Service Repair Manual CO–322GR-FE COOLING  –  RADIATOR
CO
17. DISCONNECT NO. 2 OIL COOLER OUTLET TUBE 
SUB-ASSEMBLY
(a) Disconnect the No. 1 oil cooler inlet and No. 1 oil 
cooler outlet hoses from the No. 2 oil cooler

Page 1248 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE COOLING  –  RADIATORCO–33
CO
20. REMOVE HEADLIGHT BRACKET RH
(a) Remove the 3 nuts and headlight bracket RH.
21. REMOVE PRESSURE FEED TUBE ASSEMBLY
(a) Remove the 2 bolts.
22. REMOVE RADIAT