Navigator 4WD V8-5.4L VIN 5 (2006)
Throttle Body: Service and Repair
THROTTLE BODY
Removal
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly
flammable mixtures are always present and can be ignited. Failure to follow these instructions may result in personal injury.
CAUTION: The throttle body bore and plate area have a special coating and cannot be cleaned.
1. Disconnect the battery ground cable.
2. Remove the air cleaner assembly.
3. Disconnect the electronic throttle control electrical connector.
4. Disconnect the throttle position (TP) sensor electrical connector.
5. Remove the 4 bolts and the throttle body (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.
2. Connect the TP sensor electrical connector.
3. Connect the electronic throttle control electrical connector.
4. Install the air cleaner assembly.
5. Connect the battery ground cable.
