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Rock Sam

Rock Sam 4/21/2018

2008 Hummer H3 Base 5 Cyl 3.70L

Engine

What should I do if my car starts to overheat?

1 Answer


Vehiclemind CA

Vehiclemind CA 4/21/2018

1. If your car is overheating, it can be very serious. You shouldn't continue to drive if you see the temperature gauge has moved towards the "hot" side. Your car may not immediately explode or anything likes that, but driving with an overheating engine can cause serious damage to your vehicle.

2. There are a number of things that can cause your engine to overheat. Some of these are fairly common issues, especially on a hot summer day in the Phoenix, Tempe and Chandler areas.

3. If the water/antifreeze mixture isn't circulating correctly, the engine will start to overheat. This mixture keeps your engine cool during the hot months

4. The problem persists; crank your heater up to full blast. It could make the next few miles a pretty brutal experience, but the transfer of heat away from the engine might just save its life.

5. Check the coolant (also called antifreeze) level in the radiator. Look in the owner's manual if you are unsure where the coolant reservoir tank is.

6. Over time, the hoses that circulate your coolant may become blocked or detached. While it may not be completely blocked up, even a partial blockage can prevent the proper amount of coolant from circulating.

7. The problem may be electrical or mechanical in nature, in which case a tow to the nearest repair shop is definitely in order. A leaking hose, worn or broken fan belt, bad water pump, or malfunctioning thermostat may be the culprit.

8. If you're stopped in traffic, put the car in neutral or park and rev the engine a bit. This will encourage water and air flow through the radiator, helping to cool it.

9. You're in stop-and-go traffic, aim to creep rather than alternating between braking and accelerating. Braking generates a lot of friction, which will only turn up the heat

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