how to replace a heating core

How to replace the heater core

Jan 19, †Ј Install the new heater core back into the heater box plenum and clamp the new heater core into place. Reassemble heater plenum and reinstall into vehicle, reinstall blower motor wiring, screws, vacuum lines and control cables. Carefully, install the dashboard back into position and re-attach tie bars and mounts. Jan 16, †Ј Start by removing the lower dash panel and have a look with a flashlight. If you can immediately see the heater core, then odds are the dash doesn't have to come out. For example, on the third-generation Chevy Camaro, you can remove the top dash pad, the passenger side speaker, and push the PCM aside, then easily access the heater core from below.

Home Articles Heater Core Replacement How to Replace a Heater Core Step by step guide on how to replace an automotive heater core, though each car is different in complexity, these steps outline the basic procedure. Step 1 - Locate and remove the negative battery cable, move the cable end far enough away to avoid an accidental connection.

Negative Battery Cable Removal Step 2 - Release the radiator cap engine coldand loosen the radiator drain valve, have a fluid basin ready.

Evacuating Refrigerant Step 4 - Using the hose clamp removal tool, loosen and remove the heater hoses from the heater core inlet and outlet fittings. Remove Heater Hoses Step 5 - After the heater hoses have been removed, locate and remove upper dash mounting screws. Remove any mounting hardware across the top of the dash assembly, which is usually covered by pop-in trim pieces along the base of the windshield.

Removing Dash Mounting Screws Step 6 - Once the upper dashboard mounting screws have been removed, locate and remove the lower mounting bolts. Note: Some vehicles require the center console to be removed to access middle mounting bolts. Removing Lower Mounting Bolts Step 7 - Using a small socket or screw driver, remove mounting screws to gain access to the lower steering column mounting bolts. Removing Lower Panel Cover Step 8 - On the drivers side of the vehicle you will need to lower the steering column to allow for the dash to rotate for clearance.

This will allow the column to become loose from dashboard. In most instances allowing the column to rest what education do you need to become a police officer the drivers seat will how to make reported speech sufficient room.

Locate the dash mounting hardware on the left side of dash and remove them. Remove Steering Column Bolts Step 9 - Once the heater hoses have been removed, locate and remove the dashboard mounting bolts, knee bolsters and foot shields on the bottom of the dash assembly, and center console if so equipped to gain access to the heater plenum. Note: Some vehicles are designed with access panels that allow the core to be replaced with minimal disassembly. Dashboard Removal Step 10 - Slowly pull away from firewall while keeping an eye out for any wiring or vacuum lines, once back far enough, support dash assembly in a position that will allow for enough room to remove the heater plenum.

Dashboard Supported Step 11 - Once the necessary obstructions have been removed, the heater box will be exposed. Step 12 - Next, remove and vacuum lines and control cables from the plenum.

Take note on the location of these lines and cables to reassemble them in their proper locations. Note: Some models you may need to disconnect the blower motor wiring and remove the screws from the heater core box to remove the blower motor. Remove Vacuum Lines Step 13 - Locate inner heater plenum mounting bolts and screw and remove them.

Remove Inner Mounting Screws Step 14 - Inside the engine bay, locate the heater plenum mounting bolts and remove. Remove all mounting hardware holding the plenum assembly to the firewall, Remove all duct work including windshield duct and air distribution ducting. This will allow the heater box plenum to become free of the vehicle which will allow removal of the unit. Removing Outer Heater Plenum Mounting Bolts Step 15 - Once removed, pull back gently on the plenum assembly while keeping an eye out for anything that was missed such as ductwork, once its released, remove it from the vehicle.

Pay close attention while removing parts so they can be reinstalled correctly. Note: There will be coolant leaking from the heater core, use an old towel to help control spillage. Removing Heater Plenum Step 16 - After the heater plenum has been removed, place plenum assembly on suitable work area for disassembly. Heater Plenum Removed Step 17 - The heater core plenum is designed to fit each vehicle individually so configuration will vary.

Heater Plenum Mounting Area Step 18 - After the heater plenum has been removed, locate and remove plenum screws to dissemble to gain access to the how to destroy my hard drive core. Disassemble Heater Plenum Step 19 - Once all mounting screws have been removed, gently pull the plenum open to expose the heater core.

Disassemble Heater Plenum Box Step 20 - After the heater plenum has been separated, remove the mounting screws holding the core to the housing. Removing Heater Core Step 22 - Once the worn core has been removed, match the new core to ensure a proper installation, reverse these steps to reassemble. Install new core in the plenum assembly carefully to avoid damage, reassemble the plenum accordingly. Clean and inspect the heater box to make sure seals and gaskets are in good condition and reusable.

New Heater Core Install the new heater core back into the heater box plenum and clamp the new heater core into place. Reassemble heater plenum and reinstall into vehicle, reinstall blower motor wiring, screws, vacuum lines and control cables.

Carefully, install the dashboard back into position and re-attach tie bars and mounts. Reinstall any under dash covers that were removed during dis-assembly. 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. If this is the case, many vehicles have a bleeder valve to allow trapped air to escape from the system which is usually located near or on the thermostat housing.

Caution: Coolant can be extremely hot. After completing the job, recharge the air conditioner if needed. Recheck the system for leaks while testing the blend door operation, verify all dash functions operate properly. Use caution when installing the heater core, these units are made of thin metal and plastic and are easily broken. The glove box will need to be removed in most cases to allow access.

Some plenums have a small door, others will have to be disassembled to gain access to the heater core. The blower motor forces air through the core and into the air duct how to replace a heating core allowing temperature controls which enable defrost floor and front vent modes.

The most common cause of heater core problems is neglect, cooling systems need to be serviced on a regular basis, coolant can become corrosive and will cause deterioration of the core. Home Articles Heater Core Replacement. How to Replace a Heater Core. Step by step guide on how to replace an automotive heater core, though each car is different in complexity, these steps outline the basic procedure.

Difficulty Scale: 6 of 10 Tools and Supplies Needed Replacement heater core Coolant Hose clamps Fluid catch basin Socket set Wrench Set Screw driver set Protective eye wear and clothing Begin with the vehicle on level ground, engine cold, with the emergency brake on.

Negative Battery Cable Removal. Draining Engine Coolant. Evacuating Refrigerant. Remove Heater Hoses. Removing Dash Mounting Screws. Removing Lower Mounting How to replace a heating core. Removing Lower Panel Cover. Remove Steering Column Bolts. Dashboard Removal. How to put clip in hair extensions into short hair Supported.

Remove Vacuum Lines. Remove Inner Mounting Screws. Removing Heater Plenum. Heater Plenum Removed. Heater Plenum Mounting Area. Disassemble Heater Plenum. Disassemble Heater Plenum Box. Removing Heater Core Mounting Screws. Removing Heater Core. New Heater Core. Ask a Car Question. It's Free!

Step 1 Ц Remove the dashboard cover

Dec 02, †Ј Ford F How To Replace Heater Core. Step 1 - Drain coolant. To remove the heater core, disconnect the coolant lines from it. In order to prevent as much mess as possible, drain the Step 2 - Remove old heater core. Step 3 - Remove glove box. Step 4 - Disconnect vacuum line connector and panel. Heater core cover. Heater core mounting clamps and remove heater core. Install or Connect 1. Heater core and heater core mounting clamps. 2. Heater core cover. 3. Floor air outlet duct. 4. Right and left sound insulators. 5. Console. 6. Steering column opening filler. 7. Raise vehicle. 8. Heater hoses to heater core. 9. Drain tube to heater case.

The heater core allows hot coolant to past through the ventilation system and warm the air. When one is clogged or damaged, the heater will no longer work. Learn how to replace the heater core here. The heater core is as it sounds: the heart of the climate control system in your Chevy Silverado. 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. 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. However, this article can assist you in getting the job done and prevent that hole in your pocket from getting any bigger. The dashboard on your Chevy is installed piece by piece; the first part you will be removing is the upper dashboard cover.

Some vehicles are equipped with optional accessories including the OnStar safety system; refer to Figure 15 for its removal. Once the deed is done, take your time and re-install all of the dashboard components.

Be wary of the screws and bolts you use to re-install the components, as some are slightly longer and will not fit all the way in. After everything is back together, top off the coolant and reconnect the negative battery cable. Read this article to learn how to replace them. This article applies to the Chevrolet Silverado Are your vents stuck only blowing one type of temperature?

Read this article to find out why. Warning Lights Warning lights provide vital information about your vehicle. Read on to learn what your Chevy Silverado is saying to you.

Your truck is manufactured to communicate internal trouble with you through its computer. Learn what an SRS warning light on your dashboard means. This article applies to the Chevrolet Here are the DIY steps to replace the water pump in your Silverado. How to Repair the Instrument Cluster briansmobile1 Have the lights and gauges on your instrumental cluster gone out?

Read this article to find out how to fix this common problem. This article applies to the Chevrolet Silverado