Expect to pay roughly 150 to 350 dollars at an independent repair shop, with higher totals at a dealership or if extra parts are required. The exact price varies by engine variant, location, and shop rates.
In a 2013 Chevy Malibu, replacing the thermostat involves draining and refilling part of the cooling system, removing the thermostat housing, and installing a new thermostat and gaskets. Some engines in this model year use a simple housing with a replaceable thermostat, while others may require additional cooling-system components or a housing replacement. Labor time is typically about one to two hours, depending on engine configuration (2.4L four-cylinder or 3.6L V6) and access to the housing. Coolant and a bleed/air-removal step are usually included in the service.
What affects the cost
Costs can vary based on several factors that influence how long the job takes and what parts are needed.
- Engine variant and the exact thermostat location in the 2013 Malibu (2.4L vs. 3.6L)
- Shop type and regional labor rates (independent shop vs. dealership)
- Whether the cooling system needs draining, flushing, or additional components (gasket, housing, sensors) replaced
- Need for extra parts such as coolant, belts, or a new thermostat housing
- Whether the job is performed during a larger cooling-system service or timing-related work
Understanding these factors helps you get an accurate quote. If your cooling fan comes on or you see overheating, the shop may also inspect related components, which can affect the total price.
Typical cost ranges
These ranges reflect common prices at independent shops and reflect typical scenarios. They are intended to give you a realistic idea of what to expect.
- Independent repair shop (most common scenario): Parts $15–$60, labor for about 1–2 hours at roughly $85–$125 per hour, coolant $5–$20. Total: about $120–$325.
- Dealership or GM-authorized shop: Parts and labor tend to be higher due to standard rates and OEM pricing. Total often runs about $250–$550, depending on exact parts and whether a housing or sensor is involved.
- DIY (parts only, if you’re comfortable): Parts $15–$60 plus coolant $5–$20. Your total could be well under $100 if you supply the parts yourself and perform the work carefully, but this requires mechanical skill and proper tools.
Note that these figures can vary by region and current labor rates. If the thermostat replacement is bundled with a cooling-system flush or water-pump inspection, the price can rise accordingly.
What to ask your shop
Getting a precise estimate helps prevent surprises. Consider asking these questions when you request a quote:
- What is the exact price for parts and for labor (hourly rate) to replace the thermostat on my 2013 Malibu?
- Does the estimate include coolant, gaskets, and any required hoses or housing replacements?
- Is a coolant bleed/air removal procedure included to prevent air locks?
- Will the job affect only the thermostat, or are additional cooling-system components likely to be replaced?
- Is there a warranty on parts and labor for this service?
Shopping around and asking for itemized quotes helps you compare apples to apples and avoid unexpected charges.
Summary
For a 2013 Chevy Malibu, a thermostat replacement typically costs about $120–$325 at an independent shop and $250–$550 at a dealership, depending on engine type, parts required, and local labor rates. DIY parts-only options can reduce the bill significantly, but require the right tools and mechanical know-how. Always request an itemized estimate and confirm whether coolant and any necessary gaskets or housing parts are included.


