F 250 2WD Super Duty V8-5.4L (2008)
Removal
WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component.
Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
CAUTION: The throttle body (TB) must be removed from the vehicle to be cleaned. Do not hold the throttle plate open, with any object that
could scratch the bore or plate, while servicing or cleaning the throttle body.
1. Remove the air cleaner outlet tube.
2. Disconnect the crankcase vent tube quick connect coupling from the air cleaner outlet pipe-to-throttle body (TB) adapter.
3. Disconnect the vacuum hose from the air cleaner outlet pipe-to-TB adapter.
4. Disconnect the wiring harness retainer from the air cleaner outlet pipe-to-TB adapter.
5. Remove the 4 air cleaner outlet pipe-to-TB adapter bolts.
6. Remove the air cleaner outlet pipe-to-TB adapter.
7. Disconnect the electronic throttle control electrical connector.
8. Disconnect the throttle position (TP) sensor electrical connector.
9. Remove the 4 bolts and the TB assembly.
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Discard the TB O-ring seal.
Installation
1. Using a new O-ring seal, install the TB and tighten the 4 bolts in 2 stages.
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Stage 1: Tighten to 9 Nm (80 lb-in).
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Stage 2: Tighten an additional 90 degrees (1/4 turn).
2. Connect the TP sensor electrical connector.
