Tacoma Extra Cab 4WD V6-3.4L (5VZ-FE) (1998)
Throttle Body: Service and Repair
REMOVAL
1. DRAIN ENGINE COOLANT
2. DISCONNECT THESE CABLES:
(a) w/Cruise control:
Cruise control actuator cable
(b) Accelerator cable
(c) A/T:
Throttle cable
3. REMOVE AIR CLEANER HOSE
4. DISCONNECT THROTTLE POSITION SENSOR CONNECTOR
5. DISCONNECT IAC VALVE CONNECTOR
6. REMOVE THROTTLE BODY
(a) Disconnect these vacuum hoses from the throttle body:
(1) Vacuum hose of throttle Opener
(2) w/EGR:
Vacuum hose (from port R of EGR vacuum modulator)
(3) w/EGR:
Vacuum hose (from port E of EGR vacuum modulator)
(b) Disconnect these hoses from the IAC valve:
(1) Water bypass hose (w/EGR: from EGR valve, w/o EGR: from water bypass pipe)
(2) Water hose (from intake manifold)
(3) Air assist hose
(c) Remove the 2 bolts, 2 nuts, throttle body and gasket.
Torque: 18 N.m (180 kgf.cm, 13 ft.lbf)