S8 Quattro Sedan V8-4.2L (AYS) (2002)
Thermostat: Service and Repair
Thermostat, removing and installing
Removing:
The thermostat is located at the right front of the engine below the intake manifold.
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Drain coolant
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Remove toothed belt from camshafts.
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Remove thermostat housing -arrows-.
Installing:
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Position of thermostat
Starts to open 87°C 188°F
Fully open 102°C 215°F
Opening travel 8 mm 0.3 inch
Notes: Install with bleeder valve facing upward.
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Install thermostat housing.
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Install toothed belt on camshafts
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Fill system with coolant.
Tightening Torques (Part 3 Of 4)