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Turbo cooling, was after-run



I checked in my Bentley manual and found this:

Type MC engine/ Secondary cooling pump test

Run engine until radiator cooling fan switches ON at HIGH speed

Turn OFF engine and wait five minutes-
		secondary coolant pump and radiator fan must switch ON
NOTE:
		Radiator cooling fan will run on LOW speed.

If coolant pump and radiator fan DO NOT run:

Remove harness connector from secondary coolant pump thermo-switch and bridge
terminals
		coolant fan and radiator fan must run

		If YES
				replace thermo switch
		If NO
				check for open circuit