Chevrolet G30 Ambient Temperature Sensor (Switch) Replacement Costs

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Ambient Temperature Sensor (Switch) Replacement Service

How much does a Ambient Temperature Sensor (Switch) Replacement cost?

On average, the cost for a Chevrolet G30 Ambient Temperature Sensor (Switch) Replacement is $110 with $15 for parts and $95 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1990 Chevrolet G30V8-6.2L Diesel	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$145.49	Shop/Dealer Price$163.12 - $193.49
1979 Chevrolet G30V8-5.7L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$178.07	Shop/Dealer Price$208.86 - $278.68
1987 Chevrolet G30V8-6.2L Diesel	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$125.49	Shop/Dealer Price$143.13 - $173.52
1975 Chevrolet G30V8-5.7L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$178.07	Shop/Dealer Price$208.84 - $278.64
1991 Chevrolet G30V8-5.7L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$178.07	Shop/Dealer Price$208.87 - $278.71
1987 Chevrolet G30V6-4.3L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$146.95	Shop/Dealer Price$169.96 - $216.44
1995 Chevrolet G30V8-7.4L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$151.95	Shop/Dealer Price$174.82 - $221.20
1995 Chevrolet G30V8-5.7L	Service typeAmbient Temperature Sensor (Switch) Replacement	Estimate$183.07	Shop/Dealer Price$214.09 - $284.10

Show example Chevrolet G30 Ambient Temperature Sensor (Switch) Replacement prices

What is the Ambient Temperature Sensor (Switch) all about?

Modern automotive HVAC systems have advanced by leaps and bounds over those used just a few years ago. Today, many high and even mid-range cars offer automatic climate control. This function basically allows you to “set it and forget it,” allowing the car’s computer to control the heating and cooling based on your preferred interior temperature. In order to do this, the computer needs information about not only the temperature inside the car, but also the ambient temperature outside the car.

The ambient temperature sensor (switch) is located either behind the front grille or in the front bumper. Its only job is to monitor air temperature (which it does through increasing/decreasing resistance in response to temperature fluctuations). This information is transmitted to the car’s computer, which then adjusts the climate control to meet your specifications.

If the ambient temperature sensor is damaged or fails, the car’s computer will not be able to automatically control the HVAC system, and the heater and air conditioner will only work in manual mode.

Keep in mind:

Because of its location, the ambient temperature sensor can be easily damaged in even minor front-end collisions.
Sensor failure is common even without an accident.

How it's done:

The ambient temperature sensor switch is verified to see if it needs to be replaced
The defective ambient temperature sensor switch is removed
The new ambient temperature sensor switch is installed
The ambient temperature sensor switch is tested for operation
The vehicle is tested to ensure proper operation of the ambient temperature sensor switch

Our recommendation:

Without the information provided by the ambient temperature sensor, your car’s computer does not have sufficient data to control the interior temperature, and will revert to manual HVAC control. You’ll still be able to use your air conditioner and heater, but only in manual mode, not in auto. If you suspect a problem with the ambient temperature sensor, have it diagnosed by one of our expert mechanics and replaced if necessary.

What common symptoms indicate you may need to replace the Ambient Temperature Sensor (Switch)?

HVAC auto mode will not work
HVAC auto mode produces delivers inconsistent/incorrect operation
HVAC will only work in manual mode
Outside temperatures may display incorrectly

How important is this service?

Having automatic climate control is definitely a convenience, but not critical to the operation of your vehicle. The heater will still operate to clear the windows and provide heating and cooling on manual mode. If the ambient temperature sensor is faulty, have it replaced.

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Whitney

39 years of experience

783 reviews

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Whitney

39 years of experience

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by Terry

Chevrolet G30 V8-5.7L - Other Inspections - San Jose, California

outstanding, knowledgeable and very polite.

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36 years of experience

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36 years of experience

by Sini

Chevrolet G30 V8-5.7L - Car idle is rough - San Francisco, California

Amazing experiences with 70s and 80s cars. New exactly what he was doing

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38 years of experience

186 reviews

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38 years of experience

by Jonathan

Chevrolet G30 V8-5.7L - Car is not starting - Seattle, Washington

He knew what he was doing. logically identified the problem by thoroughly checking the symptoms. I was able to use the info to replace the parts and now the truck is running well. Thanks Ralph. Jon

Brian

18 years of experience

74 reviews

Brian

18 years of experience

by Alvin

Chevrolet G30 V8-5.7L - Alternator - Lodi, California

Brian is an excellent mechanic! Very professional, very helpful, very compassionate and definitely went above and beyond. Would highly recommend! Thank you so much Brian for all your help and assistance to me and my family! Amazing person with a lot of heart. God bless you Brian!

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