B4000 SE Cab Plus 4WD V6-4.0L OHV (1997)
EGR Valve: Service and Repair
Replacement
1. Remove the EGR valve in the sequence shown below:
a. Remove DPFE sensor retaining bolt
b. Reposition DPFE sensor
c. EGR tubes
d. Vacuum hose
e. EGR valve and gasket
NOTE: Before installing the EGR valve, install new gasket.
2. Install the EGR valve in the reverse order of removal.
Tightening torques: EGR valve to tube nuts: 34-48 Nm (25-35 ft.lbs.)
EGR valve to manifold: 20-30 Nm (15-22 ft.lbs.)