Navigator 4WD V8-5.4L VIN 5 (2006)
Thermostat Bypass Hose: Service and Repair
Bypass Tube
Material
Removal and Installation
1. Drain the engine cooling system.
2. Remove the intake manifold.
3. Remove the 3 bolts, the bypass tube, and discard the bypass tube gaskets.
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To install, tighten to 10 Nm (89 inch lbs.).
4. To install, reverse the removal procedure.
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Inspect the mating surfaces and clean the sealing surfaces with metal surface prep and silicone gasket remover. Follow the directions on the
packaging.
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Install new bypass tube gaskets.