What should I do if my Chevy Impala is overheating?

If the air is of they do not come on until past the normal temp around 210. Fans come on, cool radiator and shut off. After 10/15 min starts heating up again, If you turn air on, it will cool off and stay running cool. Why???

Why is my Chevy Impala fan running so fast?

When relay #2 and #3 energizes it changes the fan wiring circuit to a parallel circuit causing the fans to run fast. BTW you never mentioned if you did or did not have the plastic air dam on the radiator support under the car. This makes a big difference.

How long does it take for Chevy Impala to go past normal?

With air on, car runs at normal temp, turn of the air and temp fluctuates between high and normal, it takes about 10 to 15 min for temp to start going past the normal operating temp. What is the cycle of these fans???.

What to do if your Chevy Impala overheats?

Temperature gage says car is overheating. Not over heating…cold to touch. replaced thermastat, fan,and the waterpump. cold air comes out of the vents. Find the most common driver-reported problems that are to blame when a Chevrolet Impala overheats. The water pump may develop a coolant leak resulting in an engine overheating condition.

What should the temp be on my Chevy Impala?

If you drive the car temp will go up after 10/15 min of driving. The fans come on,temp goes to where it shoud be 195, and after another 10/15 the same scenario happens. Temp goes to 210. I have replaced, new from GM, thermostat, water pump, the 3 fan relays, the two fans, all water houses,temp sending, and flushed the radiator.

When do the cooling fans start working on a Chevy Impala?

Do the cooling fans start working when it reaches the normal temp,like slow on one fan and then as needed the second fan, or they come, both at the same time, when hot. With the air cond on one fan starts and when normal temp is reach the other starts, keeping the correct temp.

What causes a car engine to overheat when there is no coolant?

Low Coolant By a large margin, the most common cause for engine overheating is simply a low coolant level. Your engine’s cooling system relies on coolant to circulate and remove heat from the engine. If you don’t have enough coolant in there to do the job, heat will build up and your engine will overheat.

What causes a car engine to overheat with no coolant?

There are a few different reasons that your coolant might not be building pressure. You might have a busted radiator cap, or you might have a leak or busted water pump. Either way, low coolant pressure is going to lead to an overheating engine. 9. Low Oil This is a very rare issue, but it can absolutely happen!

Where is the thermostat on a car that is overheating?

Your vehicle’s thermostat opens and closes as needed to keep your engine at the right temperature. If it’s stuck open or closed, your engine will overheat, which is a significant problem. The thermostat is usually located in a plastic house somewhere on your engine block or head, check your repair manual to find its location.

What are common reasons my Chevrolet Impala overheats?

What are common reasons my Chevrolet Impala overheats? While there are a variety of reasons your Chevrolet Impala is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. See what others are asking about their Chevrolet Impala.

How to troubleshoot an overheating Chevrolet 350 engine?

Twist off the radiator cap after allowing the engine to cool, then look into the radiator to observe the level of antifreeze. Pour antifreeze into the radiator until full if necessary. With the radiator cap off, start the engine and look through the radiator opening while the engine warms.

Is there a problem with my 2005 Chevy Impala?

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Why is my car still overheating after replacing the water pump?

As for the vehicle still overheating, if all of the parts you have replaced are working fine, then you may have an air flow issue through the radiator. If this was the case, the vehicle would still cool at higher speeds and just not around town.

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What causes a car to overheat on a short trip?

Possible causes: Any of the above causes for overheating on short trips. The car is overloaded or being driven too hard. The Fix: Lighten the load and back off the gas. The radiator or block may be clogged. The Fix: Reverse flush the cooling system and fill with fresh coolant.

What happens if your car overheats at idle?

Overheating an engine can cause catastrophic damage, so it’s important to avoid letting your engine get too hot. If you notice that it gets dangerously hot at idle, then you’ll want to avoid driving in stop and go conditions until you can check things out or take it to a qualified technician.

What kind of fuel economy does a Chevy Impala have?

Good fuel economy for a full size vehicle. 29 highway 19 city. Minimal rust on a car driven in winters in the Northeast. the car is a beauty, and it can run smoothly, but theres one problem, the heater fan squeales alot. Car has worked like a jewel.

Which is the best Chevy Impala to buy?

Ignition switch is tricky, traction is out. My 05 Impala has been the best car. It has only needed minor maintenance in the 5 years I’ve owned it. It is super spacious and has tons of trunk space. Handles great. It’s only persistent issues are my ignition hangs up sometimes, and the traction part went out, but that part doesn’t affect anything.

Why is my car running hot but not overheating?

If you find that you’ve got a car running hot but not overheating there might be a few reasons: 1 Clogged or damaged radiator 2 Low coolant level 3 Damaged water pump or thermostat 4 Overworked engine More

What does it mean when your radiator fan is not working?

This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.

What to do if your Chevy Impala cooling fan is not working?

Removing the wire from the temp sensor puts the fans into stay-alive mode, and they run constantly as you found out. Have the relay replaced and you should be fine. As far as the AC, it is most likely related to your cooling fan problem.

Why does my car have a radiator fan?

You probably already know the purpose of the radiator and the cooling system in your car. When you are driving fast, the wind is passing through the radiator to cool the coolant down without issues, but when you are driving slow, there is no wind pushed through the radiator. This is why we use a radiator fan.