Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Cooling
Model Year: 2008 Model: Sequoia Doc ID: RM000002BG800CX
Title: 3UR-FE COOLING: THERMOSTAT: REMOVAL (2008 Sequoia)

REMOVAL

HINT:

If the thermostat was not installed, cooling efficiency would decrease. Even if the engine tends to overheat, do not remove the thermostat.

1. REMOVE V-BANK COVER SUB-ASSEMBLY 3UR-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

2. REMOVE NO. 1 ENGINE UNDER COVER 3UR-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

3. DRAIN ENGINE COOLANT 3UR-FE COOLING: COOLANT: REPLACEMENT (2008 Sequoia)+

4. DISCONNECT NO. 3 AIR INJECTION SYSTEM HOSE

(a) Disconnect the No. 3 air injection hoses

5. DISCONNECT NO. 2 AIR INJECTION SYSTEM HOSE

(a) Disconnect the connector and separate the wire harness clamp.

(b) Disconnect the No. 2 air injection hose.

6. SEPARATE AIR PIPE SUB-ASSEMBLY

(a) Disconnect the connector and separate the 2 clamps and wire harness.

(b) Remove bolt and separate the air pipe.

7. DISCONNECT OUTLET RADIATOR HOSE 3UR-FE COOLING: RADIATOR: REMOVAL (2008 Sequoia)+

8. DISCONNECT NO. 5 WATER BY-PASS HOSE

(a) Disconnect the No. 5 water by-pass hose.

9. REMOVE INLET WATER SUB-ASSEMBLY WITH THERMOSTAT

(a) Remove the 3 nuts, water inlet with thermostat and gasket.