Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Engine, Cooling and Exhaust > Engine > Coolant Pump <--> [Water Pump] > Component Information > Testing and Inspection > Verifying Water Pump Problem > Page 3549
Coolant Pump: Testing and Inspection
AFTER REPAIRS LEAK CHECK
Initially fill the cooling system and check for leaks prior to starting the engine and bleeding the system. Although the system will not be completely
NOTE: It is much easier to repair a leak on a cold engine than on a hot engine.
Fill the cooling system until the radiator is full.
Apply pressure to the system with a pressure tester.
Cooling System Pressure Testing
Carefully check for leaks around:
All hoses and clamps.
Water pump sealing surfaces.
Any cooling system component which was removed or replaced.
If no leaks are detected continue with the fill and bleed procedure.
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