Radiator, thermostat, and cooling system repair in Pomona, California

Prevent Overheating Before Engine Damage Happens

Your engine generates intense heat, and without a functioning cooling system, that heat can warp metal, crack gaskets, and destroy internal components. If you've seen your temperature gauge climb during traffic in Pomona or noticed steam coming from under the hood, your cooling system needs attention. M & A AUTO CARE provides radiator, thermostat, and water pump services that prevent engine damage caused by heat buildup.

We diagnose overheating issues and inspect hoses, clamps, radiator cores, and coolant reservoirs for leaks or blockages. This service is especially important for stop-and-go and summer driving conditions throughout Pomona, where engines work harder and temperatures run higher. We use pressure testing to identify hidden leaks that don't show up visually, and we check coolant quality to make sure it's still protecting your engine from corrosion and freezing.

If your engine runs hot or you're losing coolant, contact M & A AUTO CARE to schedule a cooling system inspection in Pomona.

How We Find and Fix Cooling Problems

We start by checking coolant levels and inspecting visible hoses and connections for cracks, swelling, or leaks. Then we pressure test the cooling system to see if it holds pressure or if there's a slow leak somewhere in the radiator, heater core, or water pump. In Pomona, where heat can push cooling systems to their limits, we also test the thermostat and radiator cap to make sure they're opening and sealing properly.

After repairs, your engine will maintain proper operating temperatures without spiking during idle or highway driving. You'll notice your heater works better in winter because coolant is circulating correctly, and your engine will run more efficiently overall. Cooling system repairs help prevent warped cylinder heads, blown gaskets, and other heat-related damage that can cost thousands to fix.

We replace only the parts that are leaking or failing, and we flush and refill your coolant if it's contaminated or past its service life. If your radiator is clogged or damaged beyond repair, we'll recommend replacement and explain why. This service does not include engine rebuilds or head gasket replacement, but we'll let you know if overheating has already caused internal damage.

We Know What You're Thinking

Overheating can happen suddenly or build up slowly over time, and it's not always obvious what's causing it. Here are the most common questions we answer for drivers in Pomona who are dealing with cooling system issues.

What causes an engine to overheat?
Overheating is usually caused by low coolant, a leaking radiator, a stuck thermostat, or a failing water pump. We inspect each component to find the root cause and prevent it from happening again.
How do I know if my water pump is failing?
A failing water pump often leaks coolant from the weep hole or makes a grinding or squealing noise from the bearing. You may also notice your engine running hotter than normal during city driving in Pomona.
Why is coolant leaking under my car?
Coolant leaks can come from hoses, the radiator, water pump, heater core, or even a cracked engine block. We use pressure testing to locate the source and determine what needs to be repaired or replaced.
What happens if I keep driving with a hot engine?
Driving with an overheating engine can warp the cylinder head, blow the head gasket, or crack the engine block. These repairs are expensive and often require engine removal, so it's critical to stop driving and have it checked immediately.
How often should coolant be replaced?
Most vehicles need a coolant flush every 30,000 to 50,000 miles, depending on the type of coolant used. We check coolant condition during inspections and recommend replacement if it's contaminated or low on additives.

Your cooling system keeps your engine from destroying itself, and ignoring small leaks or rising temperatures can lead to catastrophic failure. M & A AUTO CARE uses pressure testing and quality parts to keep your engine running at the right temperature. Call us today to schedule your cooling system repair in Pomona.