OEM 2007 Toyota Land Cruiser Air Injection Pump

2007 Toyota Land Cruiser Air Injection Pump Parts Q&A

• Q: How to service and repair the Air Injection Pump on 2007 Toyota Land Cruiser?

  A: The repair of the Air Injection Pump starts by discharging fuel system pressure along with disconnecting the negative battery cable terminal but requiring at least 90 seconds of waiting time for safety. Removing the V-bank cover sub-assembly is necessary before draining the engine coolant and disconnecting both fuel body and fuel return hoses. The first step includes removing the intake air connector pipe and intake manifold assembly followed by removing the vacuum control valve set for the Air Injection System by taking out the 2 bolts securing the valve set from the intake manifold and disconnecting the 2 vacuum hoses. Uninstall the air pump assembly via disconnecting the No. 2 air hose and pressure sensor connector along with air switching valve connector then remove 4 bolts attaching the air pump. The No. 2 air switching valve removal involves disconnection of its 2 No. 3 air tubes from exhaust manifolds through 4 nut and 2 gasket removal followed by 4 bolt and 2 gasket removal with 2 No. 3 air tubes from 2 No. 2 air switching valves before removing 4 bolts and 2 gaskets and 2 No. 2 air switching valves from the rear water by-pass joint and both vacuum hoses from the No. 2 air switching valves. To remove the air injection control driver firstly disconnect the two connectors and then remove the two containing bolts. Begin with the installation of the air injection control driver by attaching 2 bolts which must receive a torque of 19.5 N.m (198 kgf.cm, 14 ft.lbf) while connecting its 2 connectors. You must first connect 2 vacuum hoses to the No. 2 air switching valve before adding new gaskets along with the 2 No. 2 air switching valves during their installation onto the rear water by-pass joint with appropriate torque setting. After that install 2 No. 3 air tubes by using new gaskets when connecting them between the No. 2 air switching valve and exhaust manifold. Attachment of the air pump assembly requires four bolts applying a torque of 16 N.m (163 kgf.cm, 12 ft.lbf) before reconnecting the pressure sensor connector and air switching valve connector and No. 2 air hose. Mount the vacuum control valve set to the intake manifold while tightening 2 bolts to 7.5 N.m (76 kgf.cm, 66 in.lbf). Then affix the two vacuum hoses. The repair process concludes with the installation of the intake manifold followed by the connection of fuel main and return hoses then addition of intakes air connector pipe together with V-bank cover sub-assembly. After reattaching the negative cable to the battery customers should perform system initializations before adding coolant while checking for leaks and fuel leakage.