Common questions

How to change the heater cover on a Chevy Silverado?

How to change the heater cover on a Chevy Silverado?

Connect the heater hoses. . Install the auxiliary battery. . Fill the cooling system. Drain the engine coolant. Recover the refrigerant. . Remove the heater/vent module. . Remove the heater core cover screws. Remove the heater core cover. Remove the heater core. Install the heater core. Install the heater core cover.

How to replace the heater core in a 1997 Chevy S10?

Unbolt and remove the pencil brace on the heater core cover using a wrench and then remove the screws on the cover with a screwdriver. Remove the cover. Remove the screws that hold the heater core straps and the bracket over the heater core tubes.

How do you replace the heater core on a car?

Once the dash is replaced, attach the heater core hoses under the hood. (Note: Replace heater hoses and clamps if needed.) Reattach the negative battery terminal, start the engine and adjust the heater on its highest setting, refill coolant level . Allow the engine to reach operating temperature and check for leaks.

How does a Chevy Silverado heater core work?

The heater core has coolant lines which connect to it and produce the actual heat. A fan then pushes the heat through the ventilation system and into the cabin. If a heater core gets clogged or the blend door becomes jammed, the unit will need to be removed.

Connect the heater hoses. . Install the auxiliary battery. . Fill the cooling system. Drain the engine coolant. Recover the refrigerant. . Remove the heater/vent module. . Remove the heater core cover screws. Remove the heater core cover. Remove the heater core. Install the heater core. Install the heater core cover.

The heater core has coolant lines which connect to it and produce the actual heat. A fan then pushes the heat through the ventilation system and into the cabin. If a heater core gets clogged or the blend door becomes jammed, the unit will need to be removed.

What to do if your Chevy Silverado heater gets clogged?

A fan then pushes the heat through the ventilation system and into the cabin. If a heater core gets clogged or the blend door becomes jammed, the unit will need to be removed. This task is not for the faint of heart and requires the complete removal of the dashboard, including the radio, airbags, and climate control system.

Where is the heater located in a car?

It is essentially a mini radiator hidden deep inside the engine compartment behind the dashboard, which produces heat for the climate system. The heater core has coolant lines which connect to it and produce the actual heat. A fan then pushes the heat through the ventilation system and into the cabin.

What was the failure of my heater core hose?

I just experienced a failure of my heater core quick connect hose fitting over the weekend while towing my 10K# 5th wheel RV. I’ve read about this being an issue post failure. I wanted to share my experience and maybe help prevent this from happening to another.

Is there a way to bypass the heater core?

Back to the exit ramp we went, and I grabbed my tool kit from the truck. I carefully cut the hose to get the broken barb fitting off then cut the other good hose in order to loop the hoses back on themselves using the Prestone T-fitting as a connector and bypassed the heater core.

Where are the heater core hose quick connect fittings?

Anyway, on with the show… The subject of discussion is a hose quick connect fitting that is located right at the firewall on the passenger side of the engine. Two rubber hoses attach to the heater core at this location via these quick connect fittings which the hoses are clamped to (I should have photos I know).

What happens when a GMC heater connector breaks?

The problem with this is that over time, the plastic becomes brittle and breaks off. Because the connector breaks in the middle, you can’t just simply slide the hose over the heater barb and toss on a worm-clamp. Instead, you have to remove the remaining plastic connector.

When did GM stop using heater hose disconnects?

All GM trucks and SUVs used plastic heater hose connectors (disconnects) for the heater hoses from 1999-2014. The problem with this is that over time, the plastic becomes brittle and breaks off. Because the connector breaks in the middle, you can’t just simply slide the hose over the heater barb and toss on a worm-clamp.

What kind of HVAC heater does my Silverado have?

It says it doesn’t fit my 2005 Chevy Silverado 2500HD LS, 6.0 Gas Engine. I bought 2 regardless from other comments on here, and they both fit the inner/outer heater hose quick connect line, coming out the fire wall. It might feel like it won’t go on, but that’s because the O-Ring seal is new.

How do you remove an old heater hose?

You will also need to purchase the Lisle 39400 Angled Disconnect Tool Set (use the plastic green sleeve) and the heater hose quick disconnect puller (long metal bar with 5/8″ u-type end) to pull the old heater hose connector off. It was frozen on. You’ll really need to pull hard/jerk hard on the old connector until it pops off.

A fan then pushes the heat through the ventilation system and into the cabin. If a heater core gets clogged or the blend door becomes jammed, the unit will need to be removed. This task is not for the faint of heart and requires the complete removal of the dashboard, including the radio, airbags, and climate control system.

Do you have to remove AC accumulator in Chevy Silverado?

Big job, requires removal of the complete dash and ac accumulator, I wish you luck. Instructions below. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component.

How to replace the heater core in a Chevy Silverado?

Reconnect any electrical connectors you may have disconnected as well as the mode control cable and temperature control cable and the heater hoses. Replace the instrument panel carrier, then reconnect the negative battery cable. Refill the engine cooling system and bleed air from it as necessary.

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Ruth Doyle