Toyota Tundra. Manual — part 1710

Fig. 36: Identifying Air Switching Valve Components With Torque Specifications (4 Of 4)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

REMOVAL

2009 Toyota Tundra

2009 ENG NE Emission Control (1GR-FE) - Tundra

1

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

2

REMOVE NO. 1 ENGINE UNDER COVER (See REMOVAL )

3

DRAIN ENGINE COOLANT (See REPLACEMENT )

4

REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY (See REMOVAL )

5

REMOVE FRONT COWL TOP OUTER PANEL SUB-ASSEMBLY (See REMOVAL )

6

REMOVE V-BANK COVER (See REMOVAL )

7

REMOVE NO. 2 AIR CLEANER HOSE (See REMOVAL )

8

REMOVE AIR CLEANER ASSEMBLY WITH ELEMENT (See REMOVAL )

9

REMOVE INTAKE AIR SURGE TANK (See REMOVAL )

10

DISCONNECT NO. 3 AIR INJECTION SYSTEM HOSE

a

Disconnect the air injection system hose from the air tube

11

DISCONNECT NO. 2 AIR INJECTION SYSTEM HOSE

a

Disconnect the air injection system hose from the air tube

12

REMOVE NO. 5 AIR INJECTION SYSTEM HOSE

a

Disconnect the 2 air pump connectors

Fig. 37: Identifying Air Pump Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Detach the wire harness clamp and remove the bolt, then disconnect the wire harness bracket

NOTE:



Some systems need to be initialized after the cable is reconnected
(see INITIALIZATION ).



After the ignition switch is turned OFF, the navigation system
requires approximately 90 seconds to record various types of
memory and settings. As a result, after turning the ignition switch
OFF, wait 90 seconds or more before disconnecting the cable from
the negative (-) battery terminal.

2009 Toyota Tundra

2009 ENG NE Emission Control (1GR-FE) - Tundra

Fig. 38: Identifying Wire Harness Clamp And Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Remove the air injection system hose

13

REMOVE NO. 4 AIR INJECTION SYSTEM HOSE

Fig. 39: Identifying No. 4 Air Injection System Hose
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

14

REMOVE AIR TUBE

a

Remove the bolt and air tube

15

REMOVE NO. 1 AIR TUBE

a

Remove the 2 bolts, 2 nuts, No 1 air tube and 2 gaskets

NOTE:

Be careful not to damage the installation surface of the gaskets.

2009 Toyota Tundra

2009 ENG NE Emission Control (1GR-FE) - Tundra

Fig. 40: Identifying Air Tube Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

16

DISCONNECT NO. 2 AIR TUBE

a

Disconnect the wire harness clamp

b

Remove the bolts and 4 nuts, then disconnect the No 2 air tube

Fig. 41: Identifying Bolts, Nuts And No. 2 Air Tube
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Remove the 2 gaskets

17

REMOVE AIR SWITCHING VALVE ASSEMBLY

a

Remove the 2 nuts, bolt and air switching valve

Fig. 42: Identifying Nuts, Bolt And Air Switching Valve
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

Be careful not to damage the installation surface of the gaskets.

2009 Toyota Tundra

2009 ENG NE Emission Control (1GR-FE) - Tundra