Water Pump Failure
Stop Driving
Water pump unable to circulate coolant through the engine.
Stop driving — this can cause serious damage or be unsafe.
Check These First
Before diving into diagnosis, quickly verify these:
- 1Listen for grinding or squealing near water pump
- 2Check for coolant leaking from pump weep hole
What exactly is it doing?
Pick the description that fits best.
Water Pump Bearing Worn
Stop DrivingPump bearing deteriorates producing grinding noise and reduced circulation.
See causes →Water Pump Impeller Cavitation
Fix SoonPump impeller loses prime or cavitates reducing coolant flow.
See causes →Water Pump Seal Leaking
Fix SoonCoolant seeps from water pump seal causing gradual fluid loss.
See causes →