944 Turbo L4-2479cc 2.5L SOHC Turbo (1988)
Turbocharger Coolant Pump: Testing and Inspection
1.
Start engine and allow to run for a short time.
2.
Turn ignition Off.
3.
Turbocharger coolant pump should operate for 25 seconds after ignition is turned Off. While pump is operating, coolant should flow into
radiator expansion tank.