Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Engine, Cooling and Exhaust > Cooling System > Coolant Pump <--> [Water Pump] > Component Information > Testing and Inspection > Verifying Water Pump Problem > Page 4052
Inspect the water pump for leakage. Closely check the following areas:
Inspection (weep) hole.
Cooling System Pressure Testing
2. Pressurize the cooling system with a pressure tester and again check for leaks. Do not exceed the rated pressure of the radiator cap.
NOTE: If any leaks are found, verify that they are not originating from a component near or above the water pump (i.e. thermostat, loose
CAUTION: When finished, immediately re-install the radiator cap.
3. If no leaks are found, start and warm the engine until the thermostat opens. Stop the engine and check for fresh leakage around the water pump
NOTE: Occasionally water pumps will only leak around the shaft seals while the shaft is rotating.
|[PREV PAGE] [NEXT PAGE]|