How To Replace Heater Control 2006 Colorado

Ane of the most mutual (and inconvenient) problems with the Chevy Colorado is when information technology has no rut coming from the heater. Non having a functioning heater makes driving much less comfortable, and can exist a sign of certain bug.

At the simplest level, in that location are two main reasons why the heater is non working. If information technology's not coming on at all, it's usually either the blower motor or some other wiring issue. If the oestrus is blowing, but blowing cold, it has something to do with the coolant getting to the heater cadre, or the heater core itself.

No Heat Chevy Colorado

Colorado No Oestrus: How the Heater Works

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 indicate, 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 Colorado, this process has failed in i fashion or another.

Chevy Colorado Heater Not Working: Diagnosis

A give-and-take of caution: If there is no coolant in your overflow, you tin can refill information technology by calculation more than to the overflow reservoir. There is near never a state of affairs where you would demand to take the radiator cap off of the radiator to add coolant. The exception to that would be when you would take reason to believe that the hose going from the reservoir to the radiator is clogged. Anytime yous're putting your paw effectually the radiator or fans in the engine assume that they are hot and that the fans can kick on at whatever time, even without your primal in the ignition.

Low Coolant

While not having enough coolant may make your engine run hotter, it can also crusade your Colorado to not exist able to create enough oestrus. Is at that place isn't enough line pressure, due to depression coolant, then the heater core will non be able to become whatever coolant itself.

You tin verify this by checking the coolant level past taking a peek at the overflow reservoir. The overflow reservoir volition be connected to the radiator by a tube coming from the top (usually right by the radiator cap). Information technology should have separate lines to indicate "cool hot" and "cool cold". Some vehicles merely have full hot. Never bear upon the radiator cap unless the vehicle is Ice Cold.

Bad Thermostat

The job of your Colorado'southward thermostat is to regulate the temperature of the engine. Information technology does this past assuasive water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up.

Sometimes when a thermostat goes bad, it stays stuck open. This allows the coolant to continuously enter the engine. When this happens it'll feel like the heat is barely working, or yous may notice that it'll piece of work if the vehicle isn't moving, but if you get on the highway it stops working.

If your Colorado has a built in temperature gauge, have a look at it and see if it is in the spot it is normally in after a flake of driving. If it looks similar it is colder than normal, that's a pretty good indication that there is something incorrect with the thermostat.

Heater Core

No Heat Diagnosis Chevy Colorado

The heater core itself can go bad. Over fourth dimension, they are known to clog and fail. If you have a heater core that clogged, it'south not going to be able to pass coolant through. Without the warm coolant going through information technology, there can be no heat. A bad heater cadre can also leak, so scout out for that. Feel your rider floorboard to meet if it's moisture.

Heater core'south are typically pretty affordable.

Hose to/from the Heater Core

There are ii hoses coming to and from the heater core. They both should feel warm or hot to the affect with the engine on. If one of the hoses is hot, and the other one is cold, that is a pretty proficient indication that the heater core is clogged. If the neither hose has any heat, you may accept air in the cooling organisation, low fluid, or depression force per unit area.

Water Pump

If y'all look at your temperature gauge, and the engine is running hotter than normal, but in that location is non heat coming from the heater you may be having issues with the h2o pump. Effort taking the vehicle out of gear and revving the engine a fiddling. If you feel the heat start to accident hot for a few seconds that's an indication of a bad water pump or low coolant. Also, the serpentine belt going to the water pump going bad can information technology not turn as fast every bit it needs to.

Here's symptoms of a bad water pump from Autoblog.

Determination: Heat Not Working Chevy Colorado

It can be tough to find why your Colorado'southward heater is blowing cold. Simply, using the info above nigh how and why a heater would fail tin make it a lot easier. If there is anything you lot would like to add, delight experience gratis to go out a comment below.