E 350 V10-6.8L (2007)
2. Remove the air cleaner outlet pipe. For additional information, refer to Fuel Delivery and Air Induction.
3. If servicing the thermostat housing, disconnect the upper radiator hose.
4. Remove the 2 bolts and position the thermostat housing aside. Remove the thermostat and discard the O-ring seal.
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Inspect and clean the sealing surfaces with metal surface prep. Follow the directions on the packaging.
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Install a new O-ring seal.
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To install, tighten to 25 Nm (18 ft. lbs).
5. To install, reverse the removal procedure.
6. Fill and bleed the engine cooling system.