10 Signs You Need Radiator Repairs

Don't Ignore Cooling System Warning Signs

Radiator problems can lead to catastrophic engine failure. City Side Auto Body helps you recognize the warning signs before it's too late.

1. Temperature Gauge Running High

If your temperature gauge consistently reads higher than normal:

• Indicates cooling inefficiency
• May spike during idle or traffic
• Warning before overheating

2. Visible Coolant Leaks

Look for:

• Green, orange, or pink puddles
• Sweet smell near vehicle
• Stains in parking spots
• Wet spots under hood

3. Low Coolant Levels

Frequently adding coolant suggests:

• External leaks
• Internal engine leaks
• Radiator cracks
• Hose deterioration

4. Discolored or Contaminated Coolant

• Rusty or brown color
• Oil contamination (milky appearance)
• Debris or particles
• Thick, sludgy consistency

5. Engine Overheating

Critical warning requiring immediate attention:

• Steam from hood
• Temperature warning light
• Engine shutting down
• Burning smell

6. Heater Not Working Properly

Cold air from heater indicates:

• Low coolant levels
• Airlocks in system
• Clogged heater core
• Thermostat problems

7. White Exhaust Smoke

• Coolant burning in engine
• Head gasket failure
• Internal coolant leak
• Requires immediate repair

8. Radiator Fin Damage

Physical damage affecting cooling:

• Bent or crushed fins
• Debris blockage
• Corrosion damage
• Impact damage

9. Fluctuating Temperature Readings

• Thermostat malfunction
• Air in cooling system
• Water pump issues
• Radiator cap failure

10. Age and Mileage

Radiators typically last 8-10 years or 150,000 miles