Most popular

How do you replace a Chevy evaporator heater core?

How do you replace a Chevy evaporator heater core?

I was able to remove the glove box, then remove the bottom pan from under the Heater Core. After bypassing the heater core under the hood the heater core slips right out. HINT: all the little bolts holding that pan use a 5.5mm or 7/32; EXCEPT the bolt way in the back that is virtually impossible to get to, which is a 9/32.

What to do when your heater core is removed?

Reinstall the heater core cover, air duct and console. Reinstall the lower sound insulator panels. Slip the heater hoses onto the inlet and outlet tubes and slide the hose clamps into place. Refill the engine with coolant to replace the coolant that was lost during heater core removal.

Where is the core on a 95 Chevy evaporator?

First, 95 Chevy C1500 5.7. After removing tons of stuff, I found that at least so far I removed too much. I was able to remove the glove box, then remove the bottom pan from under the Heater Core. After bypassing the heater core under the hood the heater core slips right out.

What causes a Lumina heater core to fail?

Common failures of the heater core in the Lumina are associated with leaks in the plastic transfer tubes that pass through the firewall. The replacement heater cores are equipped with aluminum transfer tubes that are less prone to leakage.

What is the evaporator core on a Chevy Silverado?

The evaporator core is an important component within the air conditioning system of your 1997 Chevrolet Silverado, and is the unit that provides the actual cooling. If your evaporator core stops working correctly your air conditioning will not function, and you would have to remove the evaporator coil and replace it with a new one.

What are the signs of a failed evaporator core?

One of the common signs of a lousy evaporator core is the stink of engine coolant in the cabin. Most of the stench comes from the floor below the dashboard. The worst symptom of a failed evaporator core is the engine overheating or a failed engine head gasket.

How do you replace an evaporator in an air conditioner?

Use a socket wrench to remove the mounting bolts attached to the A/C module, and remove it from the lower dash. Slide the evaporator away from the lower housing and replace it with the new one. Place the A/C module back into the bottom of the dash and reattach it with the mounting bolts.

The evaporator core is an important component within the air conditioning system of your 1997 Chevrolet Silverado, and is the unit that provides the actual cooling. If your evaporator core stops working correctly your air conditioning will not function, and you would have to remove the evaporator coil and replace it with a new one.

I was able to remove the glove box, then remove the bottom pan from under the Heater Core. After bypassing the heater core under the hood the heater core slips right out. HINT: all the little bolts holding that pan use a 5.5mm or 7/32; EXCEPT the bolt way in the back that is virtually impossible to get to, which is a 9/32.

What kind of bolt does a Chevy evaporator use?

HINT: all the little bolts holding that pan use a 5.5mm or 7/32; EXCEPT the bolt way in the back that is virtually impossible to get to, which is a 9/32. I used a 1/4 inch socket flexible extender to get to that 9/32.

Which is the worst symptom of a failed evaporator?

The worst symptom of a failed evaporator core is the engine overheating or a failed engine head gasket. You will notice that the heater inside your Chevy blows quite warm, even on the hottest surroundings. This happens if the evaporator core is blocked.

Why is the evaporator core on my Chevy truck rusting?

In most cases, evaporator core problems are related to a lack of cooling system maintenance in the engine. Engine coolant sits inside the engine; therefore rust and corrosion are prevented with anti-corrosive agents. With these protective chemicals, rust and corrosion take place over time.

How to replace Silverado evaporator without removing dashboard?

Silverado Evaporator Replacement Trick (Replace Without Removing Dashboard!) – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How do you replace the evaporator core on a Chevy truck?

Steps Step 1: Remove the battery cable from the battery terminal. Step 2: Completely drain out the coolant liquid inside the pan by opening the release valve. Step 3: Extract the mounting bolts from the modular duct. Step 4: Now, remove the heater hoses. Step 5: Haul out the heater core mounting bolts using a socket wrench.

Silverado Evaporator Replacement Trick (Replace Without Removing Dashboard!) – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How do you remove a heater from a Chevy truck?

Use a socket wrench to do this. Afterward, haul out the modular duct from within of the glove compartment. Step 4: Now, remove the heater hoses. Plug them with a handful of rags. Step 5: Haul out the heater core mounting bolts using a socket wrench. Then, extract the heater core from your Chevy truck.

When do you need to change the evaporator coil?

It provides the actual cooling. Once you notice it stops functioning, you need to remove the evaporator coil and change it. Doing the job on your own is possible, providing that you have the necessary auto repair knowledge and tools.

Where is the evaporator located in an AC unit?

The evaporator is located inside the heater box or the HVAC box. This box consists of all the ductwork and doors to direct your air through the selected vents. The heater box also houses the heater core which is how you get hot air through the use of your engine’s coolant. The heater box is located behind the dashboard assembly.

Do you have to remove dashboard to replace AC evaporator?

Dashboard removal requires the steering column to be removed and sometimes, even the front seats and consoles. Because the evaporator is located inside the heater box, the cost is heavily dependent on whether or not the dashboard must be removed in order to replace it.

Is it possible to repair an evaporator coil?

The evaporator core can�t be repaired, it must be replaced. Usually the evaporator core is not an expensive part, but because is deeply buried underneath the dash is a very hard to reach component and time consuming repair. In most cases the whole dashboard and center console must be taken apart to get to the hvac box.

Author Image
Ruth Doyle