What to do if your Chevy Impala has no heat?

Open hood, driver side fire wall you will the see the heater core rubber hoses. Remove the two hose clamps. Disconnect both hoses from the metal extension tubes (not the hose clamps located at fire wall, these are to difficult to reach). Use a funnel and fill both heater core hoses with 50/50 Dex-Cool (it does not take much, maybe 8 to 12 oz).

Why does my Chevy Impala blow cold air at idle?

I have 2006 impala that randomly will blow cold air at idle. Sometimes if I stop at redlight the heater will blow cold air. If I get the engine above idle by reving the engine to about 1K rpm it starts to blow warm again. The temp gauge remains at the normal spot on the gauge. The radiator and expansion tank are at the correct levels.

Why does my car have no heat at idle?

No heat or hot air during idle is the result of air gap in the heater core. Open hood, driver side fire wall you will the see the heater core rubber hoses.

Why does my 3.5L Impala lose coolant?

It turns out the problem is pretty common with 3.5L Impalas. For some reason these engines lose coolant. Some blame is placed on head gaskets, some blame Dex-Cool. What ever the cause, refilling via the overflow jug can leave an air pocket in the cooling system.

Why is my Chevy Impala not producing heat?

If it acts like mine did, when the car is idling it will not produce any heat but when you drive there is no problem with the heat. This is because the higher RPM’s will allow for the fluid to move through the heater core and produce heat. To fix this you need to flush the heater core backwards and forwards to unclog the heater core.

What’s the problem with my 2007 Chevy Impala?

I had previously posted the problem quoted below, but my I have more to share on it and have brand new problems popping up with the car. “My 2007 Chevy Impala has developed a brand new problem today. Driving down the block to the store, the speedometer started fluctuating wildly.

No heat or hot air during idle is the result of air gap in the heater core. Open hood, driver side fire wall you will the see the heater core rubber hoses.

What’s the speed of a 2007 Chevy Impala?

“My 2007 Chevy Impala has developed a brand new problem today. Driving down the block to the store, the speedometer started fluctuating wildly. I was going a consistent speed of about 10 mph in my parking lot and when I braked to a stop the speedometer started swinging all over the place, from 10 to 35 mph.

Why does my Chevy Camaro heater not work?

They both should feel warm or hot to the touch with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty good indication that the heater core is clogged. If the neither hose has any heat, you may have air in the cooling system, low fluid, or low pressure.

What kind of coolant does a Chevy Impala use?

GM vehicles use the coolant DEX-COOL, which is the purple color coolant. In the impala’s if the coolant hasn’t been changed for a while the dex-cool will leave deposits, or get thick is easier way to think about it. When it runs through your heater core, that silt like deposit will clog the heater core.

How does the heater work on a Chevy Impala?

At the simplest level possible, the heater works by passing hot coolant from the engine into a tiny radiator called the heater core. At this point, the blower motor blows air across the it and the newly heated air blows on to the driver and passengers. If the heater has stopped working in your Impala, this process has failed in one way or another.

Why is the heater not working on my Buick Enclave?

Not having a functioning heater makes driving much less comfortable, and can be a sign of certain issues. At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue.