When it comes to vehicle health, few issues are as urgent as an overheating engine. Left unchecked, high temperatures can cause serious damage — even total engine failure. The best way to prevent this? Keep your Chevy’s cooling system in top shape with regular maintenance and watch for early signs of trouble.
Here are eight symptoms that could indicate your radiator or coolant system needs service:
1. Coolant Leaks Under Your Vehicle
If you spot a puddle of brightly colored fluid — often green, orange, pink, or blue — beneath your car, it’s likely coolant. Coolant has a sweet smell and plays a critical role in regulating engine temperature. A leak means your system isn’t sealed properly, and driving without enough coolant can lead to overheating. Have it inspected and repaired before hitting the road again.
2. Discolored or Rusty Coolant
Pop the hood and check your coolant reservoir monthly. If the fluid looks brown or murky, it could mean internal corrosion in the radiator. Rust particles contaminate the coolant and reduce its effectiveness. A coolant flush is usually the first step to restoring system health.
3. Visible Rust on the Radiator
External rust on the radiator is more than just cosmetic. While light surface rust can be cleaned, deeper corrosion may compromise the radiator’s integrity and lead to leaks. If rust is widespread or flaking, replacement may be necessary.
4. Damaged Radiator Fins
Radiator fins help dissipate heat by increasing surface area. If they’re bent, cracked, or clogged with debris, your cooling system can’t function efficiently. Severe damage to the fins often means the radiator needs to be replaced.
5. Rising Temperature Gauge
Your dashboard’s temperature gauge is your first line of defense. If the needle climbs toward the red zone, pull over immediately and shut off the engine. Continuing to drive with an overheating engine can cause warped cylinder heads or a blown head gasket.
6. Reduced Engine Performance
An overheating engine may struggle to accelerate or maintain speed. This drop in power is a clear sign that internal components are under stress. If your Chevy feels sluggish, it’s time to investigate the cooling system.
7. Ticking or Knocking Sounds
Unusual engine noises — especially ticking or knocking — can indicate that metal parts are expanding and rubbing due to excessive heat. This is often caused by oil thinning out and losing its lubricating properties.
8. Steam or Vapor from the Hood
White vapor escaping from under the hood is a telltale sign that coolant is boiling and turning into steam. This usually happens when the system is under pressure and the radiator cap or hoses fail. Don’t open the hood until the engine has cooled completely to avoid burns.
Schedule Cooling System Service at Platinum Chevrolet
Preventative maintenance is key to avoiding costly repairs. At Platinum Chevrolet in Terrell, TX, our certified technicians offer coolant flushes, radiator inspections, and pressure testing to keep your Chevy running cool and smooth. We recommend a full cooling system check at least once a year — especially before summer road trips or after noticing any of the symptoms above.
Whether you drive a Silverado, Equinox, or Blazer, we’ve got the tools and expertise to protect your investment. Schedule your service today and experience the Platinum difference.
Connect with us
