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On average, the cost for a Chevrolet Trailblazer Car Heater Control Valve Replacement is $287 with $116 for parts and $171 for labor. Prices may vary depending on your location.
| Car | Service | Estimate | Shop/Dealer Price |
|---|---|---|---|
| 2003 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$440.28 | Shop/Dealer Price$516.61 - $705.09 |
| 2005 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$404.28 | Shop/Dealer Price$480.64 - $669.14 |
| 2008 Chevrolet TrailblazerV8-6.0L | Service typeCar Heater Control Valve Replacement | Estimate$561.32 | Shop/Dealer Price$676.94 - $983.22 |
| 2002 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$404.28 | Shop/Dealer Price$480.60 - $669.07 |
| 2006 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$404.28 | Shop/Dealer Price$480.67 - $669.19 |
| 2004 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$404.28 | Shop/Dealer Price$480.64 - $669.14 |
| 2008 Chevrolet TrailblazerL6-4.2L | Service typeCar Heater Control Valve Replacement | Estimate$431.06 | Shop/Dealer Price$511.62 - $713.27 |
| 2009 Chevrolet TrailblazerV8-5.3L | Service typeCar Heater Control Valve Replacement | Estimate$439.78 | Shop/Dealer Price$523.19 - $731.88 |
The heater control valve is one of the many components that are responsible for warming the interior compartment. This valve controls the flow of coolant from the engine to the heater core. Most heater control valves are operated in three basic ways. A manual cable, a thermostat type system, or even engine vacuum can control them.
Since the air and heating system is a closed system, a mechanic won’t be checking your heater control valve during routine inspections and services. Instead, keep an eye on your air and heating system, and schedule an inspection if you notice that anything is malfunctioning. If your heater either doesn’t work or won’t adjust, then you possibly have a malfunctioning heater control valve, and you should schedule an inspection.
If the heater control valve is leaking then you will end up with a loss of coolant, which will eventually cause the car to overheat. A properly working heater control valve ensures the proper functioning of the heating and AC system.
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