| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM0000017XF006X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: 2UZ-FE EMISSION CONTROL: AIR PUMP: REMOVAL; 2007 MY LX470 [08/2006 - ] | ||
REMOVAL
1.
DISCHARGE FUEL SYSTEM PRESSURE
![2007 MY LX470 [08/2006 - ]; 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL+](../../../../stylegraphics/info.gif "2007 MY LX470 [08/2006 - ]; 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL+")
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
3.
DRAIN ENGINE COOLANT
4.
REMOVE V-BANK COVER SUB-ASSEMBLY
5.
DISCONNECT FUEL RETURN HOSE
6.
DISCONNECT FUEL MAIN HOSE
7.
REMOVE INTAKE AIR CONNECTOR PIPE
8.
REMOVE INTAKE MANIFOLD ASSEMBLY
9. REMOVE VACUUM CONTROL VALVE SET (for Air Injection System)
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(a) Remove the 2 bolts and valve set from the intake manifold. |
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(b) Remove the 2 vacuum hoses from the valve set.
10. REMOVE AIR PUMP ASSEMBLY
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(a) Disconnect the No. 2 air hose from the air switching valve. |
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(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.
11. REMOVE NO. 2 AIR SWITCHING VALVE
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(a) Remove the 4 nuts and 2 gaskets, and disconnect the 2 No. 3 air tubes from the exhaust manifolds. |
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(b) Remove the 4 bolts, 2 gaskets and the 2 No. 3 air tubes from the 2 No. 2 air switching valves.
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(c) Remove the 4 bolts, 2 gaskets and the 2 No. 2 air switching valves from the rear water by-pass joint. |
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(d) Remove the 2 vacuum hoses from the No. 2 air switching valves.
12. REMOVE AIR INJECTION CONTROL DRIVER
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(a) Disconnect the 2 connectors from the air injection control driver. |
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(b) Remove the 2 bolts and air injection control driver from the vehicle body.
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