Replace Coolant Thermostat Shim
Cooling System
Replacement of the thin shim placed under the thermostat to fine-tune the temperature at which it opens. An incorrect or missing shim causes the engine to run too hot or too cold, affecting performance and fuel economy.
Estimated Cost
$55–$170🔒
Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.