Lower Tube

Lower Tube

Removal






1. Disconnect negative battery cable.






2. Remove purge solenoid from bracket.






3. Relocate the purge solenoid.
4. Unlock and disconnect the electrical connector from EGR valve.






5. Remove the bolts from the lower tube to exhaust manifold.
6. Remove the lower tube bolts to EGR valve (3).
7. Remove lower tube from vehicle.
8. Clean gasket surfaces on the EGR valve. Note that any loose dirt can lodge between the pintle and the seat and cause valve leakage that will give a rough idle and depressed manifold vacuum.
9. Clean mounting surface.

Installation






1. Clean mounting surface.






2. Install the lower tube to vehicle.
3. Install the lower tube bolts to EGR valve (3).
4. Install the lower tube bolts to exhaust manifold.
5. Tighten the lower tube to EGR valve bolts (3) to 15 Nm (11 ft. lbs.) torque.
6. Tighten the lower tube to exhaust manifold bolts to 31 Nm (23 ft. lbs.) torque.






7. Connect the electrical connector to EGR valve and lock.
8. Relocate the purge solenoid.






9. Install purge solenoid to bracket.
10. Connect negative battery cable.