Air Injection Pump: Service and Repair

Air Pump Assy (2UZ-FE) Part 1:

Air Pump Assy (2UZ-FE) Part 2:

Air Pump Assy (2UZ-FE) Part 3:

REPLACEMENT

1. PREVENT GASOLINE FROM SPILLING OUT
2. DRAIN ENGINE COOLANT
3. REMOVE V-BANK COVER SUB-ASSEMBLY
4. REMOVE AIR CLEANER HOSE ASSEMBLY
5. DISCONNECT FUEL HOSE
6. DISCONNECT FUEL HOSE NO.2
7. DISCONNECT CONNECTORS FROM INTAKE MANIFOLD
8. DISCONNECT HOSES FROM INTAKE MANIFOLD
9. REMOVE INTAKE MANIFOLD ASSEMBLY
10. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY
11. REMOVE AIR PUMP ASSEMBLY W/ BRACKET




a. Disconnect the air hose No.2 from the air switching valve.
b. Disconnect the air switching valve connector.
c. Disconnect the pressure sensor connector for the air injection system.
d. Remove the 4 bolts and air pump w/ bracket assembly.

12. REMOVE AIR PUMP ASSEMBLY




a. Remove the 3 bolts and air pump assembly.
b. Remove the 3 insulators from the air pump assembly.

13. INSTALL AIR PUMP ASSEMBLY




a. Install the 3 insulators to the air pump assembly.
b. Install the air pump assembly with the 3 bolts.
Torque: 10 N.m (102 kgf.cm, 7 ft.lbf)

14. INSTALL AIR PUMP ASSEMBLY W/ BRACKET




a. Install the air pump assembly with the 4 bolts.
Torque: 16 N.m (163 kgf.cm, 12 ft.lbf)

b. Connect the pressure sensor connector for the air injection system.
c. Connect the air switching valve connector.
d. Connect the air hose No.2 to the air switching valve.

15. INSTALL WATER BY-PASS PIPE SUB-ASSEMBLY
16. INSTALL INTAKE MANIFOLD ASSEMBLY
17. CONNECT HOSES FROM INTAKE MANIFOLD
18. CONNECT CONNECTORS FROM INTAKE MANIFOLD
19. INSTALL FUEL HOSE NO.2
20. INSTALL FUEL HOSE
21. INSTALL AIR CLEANER HOSE ASSEMBLY
22. INSTALL V-BANK COVER SUB-ASSEMBLY
23. ADD ENGINE COOLANT
24. CHECK FOR ENGINE COOLANT LEAKS
25. CHECK FOR FUEL LEAKS