Tacoma 4WD V6-3.4L (5VZ-FE) (1995)
Throttle Body: Service and Repair
INSTALLATION HINT: Installation is in the reverse order of removal.
1. DRAIN ENGINE COOLANT.
2. DISCONNECT THESE CABLES:
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with Cruise control: Cruise control actuator cable.
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Accelerator cable.
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with A/T: Throttle cable.
3. REMOVE AIR CLEANER HOSE.
4. DISCONNECT THROTTLE POSITION SENSOR CONNECTOR.
5. DISCONNECT IDLE AIR CONTROL (IAC) VALVE CONNECTOR.
6. REMOVE THROTTLE BODY.
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Disconnect these vacuum hoses from the throttle body:
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Vacuum hose of throttle opener.
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w/ EGR:
Vacuum hose (from port R of EGR vacuum modulator).
Vacuum hose (from port E of EGR vacuum modulator).
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Disconnect these hoses from the IAC valve:
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Water bypass hose (w/ EGR: from EGR valve, w/o EGR: from water bypass pipe).
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Water hose (from intake manifold).
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Air assist hose.
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Disconnect the ignition coil connector.
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(Remove the 2 bolts, 2 nuts, throttle body and gasket.