Question about 2005 Chevrolet Silverado

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Engine is over heating.but it is throwing heat inside the vehicle

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To me it sounds like the thermostat is stuck closed i would try that first if the coolant level is up where it is supose to be.

Posted on Jan 11, 2009


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Symtoms of faulty thermostat water

Before answering that, the thermostat keeps the water in the engine until a specified temp inside the engine normaly around 190 degrees..then opens up to cool through the Collins system and allows hot water to the heater core inside the vehicle....Two major symptoms are engine over heating number one..Cold weather engine is hot but no or very little warmth of the radiator hoses with no heat to heater core inside the car..Not an exoensuve part or a hard job,,most are located at the bottom of the top hose where it connects to tne top of the engine..good luck

Mar 15, 2015 | Cars & Trucks

3 Answers

1998 Ford expedition motor not running hot enough

The engine is running at 210 you can be sure of that

Look at scan tool data

Your cabin heat issue may very well be several HVAC Blend
Door Vent Motors have failed
That data should be on the scan tool as well in enhanced data
& go to the hvac module

You can switch the heat or air flow to test if they are switching properly

Mar 05, 2014 | 1998 Ford Expedition

1 Answer

Just replaced the thermostat and now there is no heat inside the cabin ?

Possible trapped air pocket. Set to full heat position, lowest fan speed, remove rad. cap, start engine and let idle for 10 minutes, then hold gas pedal at 1500rpm for two minutes then let idle for two minutes. Shut engine off , let cool for 30 minutes. Top up coolant level and reinstall cap. Drive vehicle, should get heat now.

Dec 20, 2013 | 2004 Jeep Grand Cherokee

1 Answer

Toyota Corolla 1995. Quality of air conditioner reduced when stopped (traffic light) or moving at slow speed (condenced city traffic) No problem on the highway. Checked freon gas and fan. Understand that...

Normal, the ac heat exchanger condenser need air moving across the fins to remove the heat. While moving in town the condenser isn't remove the meat that is building up the it's aluminum fins. Even though the vehicle uses an electric fan. The fan is used to cool the engine temperature. If you Toyota is equip-ed with automatic transmission. The electric fan will need to pull enough air to cool the engine temperature, automatic transmission fluid, air conditioner condenser, and maybe power steering condenser to cool the power steering fluid. Later model of vehicles/trucks are using different refrigerants instead R134A in which you Toyota uses.

The simples way to explain is the ac remove heat from inside your Toyota and this heat is removed by the refrigerants inside your ac in the car. To cool the refrigerant this coolant is removed to the heat exchanger condenser located in front of the engine radiator. So, while moving at 60mph there is enough air flow through the radiator, ac head condenser, and other aluminum heat exchangers. GB...stewbison

Sep 12, 2011 | 1995 Toyota Corolla

1 Answer

Check coolint level keeps comming on and car temp goes up . And i can not get any heat to come out of the vents .

First off, I am assuming that you have checked to make sure you have the proper amount of coolant in the vehicle. If you do not that will cause the engine to overheat, and also when an engine over heats it will cause it to stop the heater from throwing out heat. IF you have checked to make sure that there is a proper amount of coolant in the engine I would then have the car checked to make sure that the water pump is working properly.

Nov 07, 2010 | 1995 BMW 5 Series

2 Answers

My father-in-law has a 2004 chevy malibu maxx with a 3.5l v6 , looked at his vehicle today, no heat inside vehicle when controls are set for heat. any help would be appreciated

Please see my tip at . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.

Oct 02, 2010 | 2004 Chevrolet Malibu

1 Answer

Form of liquid, looks like water leaking into passenger side floor board.

I would have to say it is probably your heater core or one of the hoses that run to it. The heater core is basically a small radiator but is located inside the car so when you want to heat the inside of the vehicle, the water that normally circulates through the engine is redirected through the heater core and with the aid of a blower throws the hot air out.

Jun 14, 2010 | 2004 Mitsubishi Galant

3 Answers

Why does my 2004 avalanche not heat up when i am

Check the coolant level. in the winter time It will not over heat very easily but vapor locks can occur and low coolant level will do what your describing ...When you drive the water pump is spinning faster causing coolant to intermittently flow through the heater core so it gets warm then cold at an idle.. also a thermostat that is stuck open will also cause this its also in the cooling system, if the cooling system is full I would replace the thermostat..good luck hope this helps

Jan 28, 2010 | 2004 Chevrolet Avalanche

2 Answers

I have a 2000 dodge durango

1. That was the wrong thermostat.
2. You're low on coolant.

Dec 23, 2009 | 2000 Dodge Durango

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