S-Type (X200) V8-4.2L (2005)
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For vehicles fitted with 4.2L engine
1. Remove the radiator upper hose.
All vehicles
1. Disconnect the dual coolant flow valve electrical connector.
2. Disconnect the heater hose couplings.
3. Disconnect the auxiliary coolant flow pump electrical connector.
4. Remove the dual coolant flow valve.
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Remove the retaining bolt.
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Remove the dual coolant flow valve.
