Installation - 4.0L
A (factory adjusted) set screw is used to mechanically limit the position of the throttle body throttle plate. Never attempt to adjust the engine idle speed using this screw. All idle speed functions are controlled by the Powertrain Control Module (PCM).
- Clean the mating surfaces of the throttle body and the intake manifold.
- Install new throttle body-to-intake manifold gasket.
- Install throttle body to intake manifold.
- Install four mounting bolts. Tighten bolts to 11 N.m (100 in. lbs.) torque.
- Install control cables.
- Install electrical connectors.
- Install air duct and air box at throttle body.