How to Tell If Your Car’s Thermostat Is Malfunctioning and What to Do About It
We in New Cumberland understand the taking care of yourself is important: from your physical health to your mental health. And we have a lot of resources to help us do this. The same holds true for your car or truck; maintenance and care are key to its health. And understand your vehicle’s thermostat is a good place to start. Because, the thermostat in your car plays a vital role in regulating engine temperature. And when it malfunctions, it can lead to serious engine problems. So, in this blog the experts at Meineke in New Cumberland review how to identify a broken thermostat, and what you should do to address it.
Signs of a Broken Thermostat
- Engine Overheating
If your engine temperature gauge is rising higher than normal, it may indicate that the thermostat is stuck closed. And this prevents coolant from circulating and cooling your engine causing it to overheat. - Temperature Fluctuations
A thermostat stuck open can cause your engine to take too long to warm up or cause erratic temperature changes while driving. - Coolant Leaks
A malfunctioning thermostat can lead to pressure buildup. And this can cause coolant leaks near the thermostat housing or other parts of the cooling system. - Check Engine Light
In some cases, your vehicle’s sensors may detect abnormal engine temperatures and trigger the check engine light.
What to Do If You Suspect a Broken Thermostat
- Stop Driving Immediately
Continuing to drive with a faulty thermostat can cause severe engine damage, such as a blown head gasket or warped components. - Inspect the Thermostat
Look for visible signs of leaks or corrosion around the thermostat housing. And if you’re unsure, contact Meineke on Pleasant View Road in New Cumberland to perform a diagnostic test. - Replace the Thermostat
A broken thermostat must be replaced. So, call Meineke in New Cumberland to schedule an appointment. Because this is typically a straightforward repair that can save you from costly damage down the road. - Flush the Coolant System
After replacing the thermostat, it’s a good idea to flush the coolant system to ensure there are no blockages or old coolant causing issues.
Preventive Maintenance
Regularly inspecting and maintaining your cooling system, including the thermostat, can help prevent unexpected breakdowns. So, check your vehicle’s manual for recommended service intervals and coolant type.

Address a Broken Thermostat Quickly to Avoid Bigger Problems Down the Road
By addressing broken thermostat issues promptly, you can keep your car running smoothly and avoid expensive repairs. But, if you’re experiencing any of the symptoms above, don’t wait—consult the trusted mechanics at Meineke in New Cumberland today!
If the Meineke in New Cumberland is not a convenient auto repair center for you, Meineke has 14 car repair centers is South Central Pennsylvania:
- Meineke Car Care Center – Pleasant View Road
331 Pleasant View Rd, New Cumberland, PA 17070
Call (844) 299-1139
- Meineke Car Care Center – Rodney Road
1775 Rodney Road, York, PA 17408
Call (855) 899-9154 - Meineke Car Care Center – South Queen Street
855 South Queen Street, York, PA 17403
Call (844) 851-6677 - Meineke Car Care Center – Market Street
2301 E Market Street, York, PA 17402
Call (833) 825-4442 - Meineke Car Care Center – 2nd Street
201 N. 2nd Street, New Freedom, PA 17349
Call (888) 547-7072 - Meineke Car Care Center – Baltimore Street
871 Baltimore Street, Hanover, PA 17331
Call (714) 855-3821 - Meineke Car Care Center – Carlisle Street
1125 Carlisle Street, Hanover, PA 17331
Call (855) 454-9358 - Meineke Car Care Center – Carlisle Pike
6510 Carlisle Pike, Mechanicsburg, PA 17050
Call (833) 428-8313 - Meineke Car Care Center – East Chocolate Ave
1401 East Chocolate Avenue, Hershey, PA 17033
Call (717) 508-4253 - Meineke Car Care Center – Gettysburg Road
2236 Gettysburg Rd, Camp Hill, PA 17011
Call (855) 368-4189 - Meineke Car Care Center – Jonestown Road
4509 Jonestown Road, Harrisburg, PA 17109
Call (888) 858-9835 - Meineke Car Care Center – Paxton Street
3098 Paxton Street, Harrisburg, PA 17111
Call (866) 561-5307 - Meineke Car Care Center – Manheim Pike
1220 Manheim Pike, Lancaster, PA 17601
Call (855) 424-4280 - Meineke Car Care Center – Main Street
5988 Main Street, East Petersburg, PA 17520
Call (717) 925-0634
Meineke Car Care in New Cumberland, PA
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