See attached information regarding draining the coolant and removing the coolant pump.Also attached is the complete operators manual for your future refence.
LSB 11-23 Issue 4 contains info and part numbers to determine driver type needed depending on various Coolant Pump and HP Fuel Pump versions and configurations.
TSD 20-18 available on onedrive explains process for 20v4000C22 fuel booster pump removal if customer desires to. Note this pump could also be re-purposed as an electric servicing priming pump if simple wiring modifications made to existing booster ...