Five Hundred AWD V6-3.0L VIN 1 (2005)
Removal and Installation
1. Drain the cooling system.
2. Remove the air cleaner assembly.
3. Disconnect the thermostat housing to bypass tube hose and position aside.
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To install, tighten to 5 Nm (44 inch lbs.).
4. Remove the 2 thermostat housing bolts and position aside the thermostat housing.
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Discard the O-ring seal.
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To install, tighten to 10 Nm (89 inch lbs.).
5. Disconnect the coolant pump hose and position aside.
6. CAUTION: The center coolant pump uses a sealing washer and must be replaced whenever the bolt is removed.
Remove the 4 coolant pump bolts and the coolant pump.
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To install, tighten in the following sequence:
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Tighten the coolant pump center bolt to 4 Nm (35 inch lbs.).
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Loosely install the 3 coolant pump outer bolts.
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Tighten the coolant pump center bolt to 25 Nm (18 ft. lbs.).
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Tighten the 3 coolant pump outer bolts to 10 Nm (89 inch lbs.).
7. To install, reverse the removal procedure.
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Install a new sealing washer on the center coolant pump bolt.
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Install a new O-ring seal on the thermostat housing and lubricate with clean engine coolant.
8. Fill and bleed the cooling system.
