Top 10 causes of coolant hose failure years ago
(MS) — Today's car engine is more powerful, drives more accessories and runs hotter than ever before. As a result, engine hoses must carry liquid coolant to a variety of under-hood components. Because these hoses won't last forever, Gates Corporation engineers say car owners should be mindful of the "Top Ten Causes Of Coolant Hose Failure":
10. Ozone damage.
9. Nicks, cuts and abrasion.
8. Improper clamping.
7. Internal/external oil contamination.
6. Excessive engine vibration.
5. Stop and go driving.
4. Low coolant and overheated engine.
3. Water pump failure and overheated engine.
2. Thermostat failure and overheated engine.
And the number one cause of coolant hose failure is
1. Electrochemical degradation resulting in a blown hose or pinhole leaks.
Have your service technician check your engine's coolant hoses this spring.
Hoses that are over four years old should be replaced before the start of summer driving, says Gates.
