4. Remove the air inlet tube to intake manifold tube bolt ant nut.
5. Disconnect the intake air heater electrical connector.
6 . Disconnect the manifold absolute pressure (M AP) sensor electrical connector.
7. Remove the engine harness clip from the air inlet tube.
8 . Remove the air inlet tube nuts and bolt.
9. Remove the air inlet tube.
10. If necessary, remove the intake manifold tube.
11. If necessary, remove and discard the 2 O-ring seals from the tube.
12. Clean the gasket surfaces o f the exhaust gas recirculation (E G R ) cooler tube, intake manifold tube and inlet tube.