Your vehicle’s cooling system plays a critical role in keeping the engine at a safe operating temperature. When it develops an issue, it can quickly lead to overheating, breakdowns, or even major engine damage. Recognizing the early warning signs of cooling system trouble allows you to address problems before they become costlier repairs. At A-1 Automotive, we provide expert cooling system repair in the greater Portland, OR area. Here are four of the most common signs your cooling system needs attention. Unusual Temperature Fluctuations One of the clearest indications of a cooling system issue is when your temperature gauge starts moving erratically. If you notice the needle climbing into the red zone or fluctuating more than normal, it signals that coolant may not be circulating properly. This could be caused by a malfunctioning thermostat, a failing water pump, or insufficient coolant levels. Ignoring these fluctuations can result in overheating and severe engine damage. Visible Coolant Leaks Puddles of green, orange, or pink fluid (your coolant might be a different color) under your car often point to a coolant leak. These leaks may stem from a cracked radiator, a damaged hose, or a faulty water pump. Even a slow leak can lower coolant levels enough to cause engine overheating. Checking for wet spots under the vehicle after parking can help you catch this problem early before it leads to larger repairs. Sweet Smell from the Engine Bay Coolant has a distinctive sweet smell, and if you notice it while driving or after shutting off your vehicle, it commonly means coolant is leaking onto hot engine components. This not only reduces your cooling system’s efficiency but can also create steam and potential fire hazards. A professional inspection can quickly locate and fix the source of the leak. Steam Coming from the Hood One of the most urgent signs of a cooling system issue is steam rising from under the hood. This indicates that the engine is dangerously overheated and should be shut off as soon as you can safely park to prevent catastrophic damage. Continuing to drive in this condition risks warping the cylinder head and other potentially major damage. Cooling System Repair in Portland, OR When you need auto repair in Portland, OR or Vancouver, WA, visit A-1 Automotive. At our nearby auto shop, we can expertly handle your car’s repair and maintenance needs. Feel free to give us a call to schedule an appointment!