Toyota Tundra. Manual — part 1708

Fig. 23: Inspecting Air Pump
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

If the result is not as specified, replace the air pump

b

Check operation of the air pump

1

Check that air does not flow from port A to port B

If the result is not as specified, replace the air pump

Fig. 24: Checking Air Does Not Flow From Port A To Port B
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

Apply battery voltage across terminals 1 and 2

NOTE:



Do not operate the air pump continuously for 2 minutes or

2009 Toyota Tundra

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

3

Check that air flows from port A to port B If the result is not as specified, replace the air
pump

REASSEMBLY

1

INSTALL AIR PUMP

a

Install the 2 pumps and 6 air pump insulators to the bracket and attach the 2 clamps

Fig. 26: Identifying Pumps And Air Pump Insulators And Clamps
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

INSTALL NO. 1 AIR INJECTION SYSTEM HOSE

a

Connect the 2 air injection system hoses

3

INSTALL AIR PUMP INLET

a

Install the air pump inlet with the 2 bolts

more.



When operating the air pump, wait 5 minutes until the
pump has cooled down between each operation. If the
pump has not cooled down sufficiently, the motor will burn
out.

Fig. 25: Applying Battery Voltage Across Terminals 1 And
2
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

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

Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)

Fig. 27: Identifying Air Pump Inlet Tube And Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSTALLATION

1

INSTALL AIR PUMP ASSEMBLY

a

Insert the slot over the stud and bracket tab into the slot (View A)

Fig. 28: Inserting Slot Over Stud And Bracket Tab Into Slot (View A)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Insert the bracket tab into the slot (View B)

c

Install the 2 bolts and 2 nuts

Torque: for bolt

2009 Toyota Tundra

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

18 N*m (184 kgf*cm, 13 ft.*lbf)

for nut

12 N*m (122 kgf*cm, 9 ft.*lbf)

2

INSTALL NO. 2 AIR INJECTION SYSTEM HOSE

a

Install the air injection system hose as shown in the illustration

3

INSTALL NO. 3 AIR INJECTION SYSTEM HOSE

a

Install the air injection system hose as shown in the illustration

Fig. 29: Identifying Air Injection System Hose
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Connect the 2 connectors

2009 Toyota Tundra

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