When did my GMC equinox heater core leak?

I had a clogged and leaking heater core since the purchase of my 2008 Equinox. I went through the winter of 2018 with lukewarm heat and antifreeze smell in the cabin.

Can a 2008 Chevy Equinox heater blow warm air?

2008 chevy equinox heater… I have replaced the thermostat, heater core, and water pump and still have the same issue as before they were replaced. It will blow warm air while you are driving and giving it the gas, but if you let off the gas it blows cold air. The hose to the heater is hot but the hose to the reservoir is cool.

How to replace the core on a GMC Terrain heater?

It’s held on by 3, 1/4 inch screws. Removing it will get you access to the heater core (see 2nd pic). You can drain the coolant or disconnect the lines and blow air through the core to minimize the amount of fluid left in the core. There’ll be some left regardless, so put something down to collect the drips.

What to do if your car heater core is failing?

The heater hoses should be inspected when replacing a heater core. Problems with the heater hoses can cause similar problems to a failing heater core and are less expensive to correct. Some cars will need to have the air conditioning system recharged, which can increase the cost of repair. Another problem to watch out for is worn engine mounts.

When do you Know Your heater core is bad?

Though, if you’re seeing one of the other signs in addition to a lack of heat that’s a pretty good indicator that the heater core itself has a problem. When a hole or puncture develops in your heater core, all that warm air may escape too quickly to reach you at the other end of the heater ducts.

What’s the problem with my Chevy Equinox heater?

2008 Chevy Equinox Heater… I have replaced the thermostat, heater core, and water pump and still have the same issue as before they were replaced. It will blow warm air while you are driving and giving it the gas, but if you let off the gas it blows cold air. The hose to the heater is hot but the hose to the reservoir is cool.

What happens when coolant comes out of a heater core?

The amount of coolant spraying out of the heater core is enough to form a mist that coats your windows and is difficult to wash off. This is bad — not only because it blocks your vision, but also because breathing ethylene glycol is harmful to your health.