T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
EGR Valve: Service and Repair
REMOVAL
1. DRAIN ENGINE COOLANT
2. REMOVE EGR PIPE Remove the 6 nuts, EGR pipe and 2 gaskets.
HINT: Install 2 new gaskets.
Torque:
Nut A: 18.5 N.m (185 kgf.cm, 14 ft.lbf)
Nut B: 8.0 N.m (80 kgf.cm, 71 in.lbf)
3. REMOVE EGR GAS TEMPERATURE SENSOR
4. REMOVE EGR VALVE
(a) Disconnect these hoses from the EGR valve:
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Vacuum hose (from VSV for EGR)
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EGR hose (from EGR vacuum modulator)
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Water hose (from water bypass pipe)
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Water bypass hose (from IAC valve)
(b) Remove the 2 nuts, EGR valve and gasket.
Torque:18.5 N.m (185 kgf.cm, 14 ft.lbf)
HINT: Use a new gasket.
INSTALLATION
Installation is the reverse of removal.