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Home >> Toyota >> 2008 >> 4 Runner 2WD V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair >> Removal
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Removal









2UZ-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR: REMOVAL

2UZ-FE ENGINE CONTROL SYSTEM: KNOCK SENSOR: REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE Testing and Inspection

2. DRAIN ENGINE COOLANT Service and Repair

3. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY
(a) Remove the 2 nuts and throttle body cover sub-assembly.
4. REMOVE AIR CLEANER HOSE ASSEMBLY
(a) Disconnect the vacuum hoses (for the power steering idle-up and fuel pressure regulator) and ventilation hose.
(b) Remove the air cleaner hose assembly.
5. DISCONNECT FUEL HOSE Removal

6. DISCONNECT FUEL HOSE NO.2 Removal

7. DISCONNECT CONNECTORS FROM INTAKE MANIFOLD
(a) Disconnect the throttle control connector.
(b) Disconnect the purge VSV.
(c) Disconnect the 8 injector connectors.
(d) Disconnect the ECT sensor connector.
(e) Disconnect the 2 VSV connectors for the air injection system.
(f) Disconnect the 8 ignition coil connectors.
(g) Disconnect the 2 air fuel ratio sensor connectors.
8. DISCONNECT HOSES FROM INTAKE MANIFOLD






(a) Disconnect the vacuum hose [A] from the fuel pressure regulator.
(b) Disconnect the PCV hoses [B] from the PCV valve on the LH cylinder head.
(c) Disconnect the EVAP hose (from the charcoal canister) [C] from the purge VSV.
(d) Disconnect the 2 vacuum hoses [D] from the VSV for the air injection system.
9. REMOVE INTAKE MANIFOLD






(a) Disconnect the 2 water by-pass hoses from the throttle body.






(b) Disconnect the 2 wire clamps from the wire clamp bracket on the RH delivery pipe.






(c) Remove the bolt and nut holding the engine wire protector from the intake manifold and cylinder head.
(d) Remove the 2 bolts and ground cables from the RH and LH cylinder heads.
(e) Remove the bolt and V-bank cover bracket from the intake manifold.






(f) Disconnect the engine wire from the engine hanger and wire bracket.






(g) Remove the bolt and wire bracket from the intake manifold.
(h) Remove the 6 bolts, 4 nuts, intake manifold assembly and 2 gaskets.
10. REMOVE AIR PUMP ASSEMBLY W/ BRACKET Removal

11. REMOVE KNOCK SENSOR






(a) Disconnect the 2 knock sensor connectors.
(b) Remove the 2 nuts and 2 knock sensors.
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