Hummer H3 Car Thermostat Replacement at your home or office.

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Car Thermostat Replacement Estimate for Hummer H3

Hummer H3 Car Thermostat Replacement costs $207 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$202 to $242
Labor: $147 -$168
Parts: $55 -$74
Average Dealer price
$305 to 344
Average Shop price
$244 to 268
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
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CarServiceEstimateShop/Dealer Price
2007 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.54 - $438.84
2006 Hummer H3L5-3.5LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.69 - $439.09
2008 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.52 - $419.61
2009 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.64 - $439.01
2010 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$295.18Shop/Dealer Price$362.74 - $496.76
2009 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.46 - $419.50
2008 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.72 - $439.16
2010 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.60 - $419.76
Show example Hummer H3 Car Thermostat Replacement prices

Car Thermostat Replacement Service & Cost

What is the Thermostat all about?

A thermostat is part of the cooling system that regulates the temperature of the coolant in the engine. The thermostat is a metal valve that has a temperature sensor built in. It can either be open or closed. When the thermostat is closed, it keeps the coolant in the engine. When the engine gets to a predetermined temperature, the thermostat opens allowing coolant to circulate. The circulation of coolant prevents the engine from overheating. If the thermostat fails to open, the car will overheat. If the thermostat fails to close, the engine may never reach the optimal temperature (~220F). The thermostat opens and closes many times when the car engine is running. It is the most common component in the cooling system to fail, causing the car to overheat.

Thermostat

Keep in mind:

  • The entire cooling system should be inspected when the thermostat is replaced.
  • When the thermostat is replaced, the gaskets and housings should be cleaned thoroughly.

How it's done:

  • Scan the computer in the car for codes.
  • Verify that the car is overheating.
  • Remove and replace thermostat if it is faulty.
  • Clean old gasket surfaces.
  • Remove corrosion from housings/hose connections.
  • Fill cooling system.
  • Check for leaks and proper operating temperatures.

Our recommendation:

Have the thermostat replaced anytime you have major work done on the coolant system.

What common symptoms indicate you may need to replace the Thermostat?

  • Engine overheats.
  • Car heater does not work.
  • Check Engine light is on.

How important is this service?

A vehicle’s engine gets extremely hot, and in order to avoid overheating, it needs to be properly cooled. The engine is cooled by a viscous liquid called coolant. The coolant is circulated around the engine, where it absorbs heat, which allows the engine to remain at a safe temperature. A fan then lowers the temperature of the coolant, which allows it to run back through the engine once more. The thermostat is responsible for determining when the coolant needs to enter the engine. The thermostat determines the temperature of the engine, and then acts as a valve that allows coolant in, or keeps coolant out. When the engine is too cold, the thermostat keeps coolant out; when the engine is too hot, it lets coolant in.

When the thermostat stops working, it will either get stuck open or closed. If the thermostat is stuck open, the coolant will constantly flow through the engine, absorbing too much heat, and the engine will never reach optimal running temperature. If the thermostat is stuck closed, the coolant will never circulate through the engine, and your engine will quickly overheat, which can cause severe damage.

Fast and easy Car Thermostat Replacement service at your home or office.

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Excellent Rating


Hummer H3 Repair

Average Rating

4.8/5

Number of Reviews

51

Rating Summary
47
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Meet some of our expert Hummer mechanics

Real customer reviews from Hummer owners like you.

Lucas

13 years of experience
555 reviews
Lucas
13 years of experience
2006 HUMMER H3 - BATTERY - VAN NUYS, CALIFORNIA

Luke

12 years of experience
137 reviews
Luke
12 years of experience
On time, good work! Would use service again.
2003 HUMMER H2 - HEATER BLOWER MOTOR - SAINT PETERS, MISSOURI

Angelo

28 years of experience
76 reviews
Angelo
28 years of experience
Angelo was on time for the appointment, was very polite and very informative. He fixed my current issue and helped diagnose another problem I was having. I felt confident in his abilities and I feel he did a great job on my vehicle. I have already scheduled for him to fix an issue that another mechanic din't fix correctly. I would definitely call him for any future needs and I would recommend to others.
2006 HUMMER H3 - WATER PUMP - CARROLLTON, TEXAS

Dustin

9 years of experience
30 reviews
Dustin
9 years of experience
Very Knowledgeable and professional work was exceptionally well and very fast
2007 HUMMER H3 - IDLER PULLEY - PASADENA, TEXAS
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
CarServiceEstimateShop/Dealer Price
2007 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.54 - $438.84
2006 Hummer H3L5-3.5LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.69 - $439.09
2008 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.52 - $419.61
2009 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.64 - $439.01
2010 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$295.18Shop/Dealer Price$362.74 - $496.76
2009 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.46 - $419.50
2008 Hummer H3L5-3.7LService typeCar Thermostat ReplacementEstimate$266.24Shop/Dealer Price$326.72 - $439.16
2010 Hummer H3V8-5.3LService typeCar Thermostat ReplacementEstimate$256.58Shop/Dealer Price$314.60 - $419.76
Show example Hummer H3 Car Thermostat Replacement prices

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