Q: My car is overheating - 2010 GMC Terrain

asked by on

My GMC terrain is over heating, replaced the thermostat and it's still overheats. So after it over heated I felt the coolant hoses and all were hot except one, the one going from the radiator to the thermostat housing, or the lower. My question is what are possible causes for my terrain overheating? I also noticed leakage from under the overflow reservoir.

This suggests that there may not be coolant flowing from the motor to the radiator to be cooled back down after circulating through the engine. The lower hose is also responsible for recirculating the cooled down fluid back into the motor. This also suggests that you may potentially have a clogged radiator.

I would recommend having a professional mechanic, such as one from YourMechanic, come to your location to diagnose your cooling system and suggest any needed repairs.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. My car is overheating - 2010 GMC Terrain

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: I replaced the brake light switch. Gear lever unlocked because it had locked. Now the brakes feel hard.

Hi, thanks for writing in. You need to check the brake switch install adjustment. You may have the switch adjusted too tight and it is holding the the brake pedal partly down. This will cause the brake master cylinder to...

Q: loss of power sluggish

I recommend inspecting, then cleaning the throttle body if any deposits are found. It's important to do this with key off and disconnect the electrical connector to throttle body. Do not put your fingers in there until it is connected....

Q: Cigarette lighter stopped working

The fuse would be the first thing to check. Look in the underdash fuse box; the cover should indicate which one is for the lighter. If not, try a web search for fuse diagrams for your vehicle's make and model....

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...