Mark VIII V8-4.6L DOHC (1996)
Throttle Body: Service and Repair
Removal and Installation
Throttle Body
REMOVAL
1. Remove air cleaner outlet tube and engine intake air resonator.
2. Disconnect fuel charging wiring from Throttle Position (TP) sensor at connector.
3. Disconnect accelerator cable at the throttle lever.
4. Remove crankcase ventilation tube from throttle body vacuum port.
5. Remove four throttle body retaining bolts.
6. Carefully separate throttle body from upper intake manifold.
7. Remove and discard throttle body gasket between throttle body and upper intake manifold.
INSTALLATION
NOTE: If scrapping is necessary, do not damage gasket surfaces or allow material to drop into manifold.
1. Clean gasket mating surfaces.
2. Install throttle body, new throttle body gasket and the retaining bolts to the upper intake manifold. Tighten retaining bolts to 8-10 Nm (71-88 lb
in) and then rotate an additional 85-95 degrees.
3. Reinstall crankcase ventilation tube to throttle body vacuum port.
4. Connect fuel charging wiring to TP sensor at connector.
5. Connect accelerator cable to the throttle lever.
6. Install engine intake air resonator and air cleaner outlet tube.