How to install heater core

Disconnect the vacuum source but leave the vacuum harness connected to the cover and remove the cover. Picture 6 is the complete install the hoses are 34 inch ID.

A heater core is one of the critical components of a vehicles heating system with the other being a blower motor.

How to install heater core. Dave Welch gets right to the point and shows us how to replace the heater core on a classic Chevrolet or GMC Squarebody Pickup. Daves got a bunch of helpful. How a heater core works.

A heater core is one of the critical components of a vehicles heating system with the other being a blower motor. Located inside the cabin a heater core looks like a mini radiator and thats essentially how it works. Like a radiator its connected to the engines cooling system with inlet and outlet hoses.

The video is applicable. 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. Installing a heater core in a Chevy Cavalier refers to replacing the part of the cars heating system which controls the temperature. Although it is a fairly involved process it is not too complicated so anyone with a little automotive know-how can accomplish this repair on their own.

Look under the dash on the passenger side and you will see the plastic box in which houses the heater core remove all the screws that surround this box there will be one screw on the top that will be very difficult to get at this is why you have removed the top of the dash so you can get at it with two handsif you need to see this screw get outside of the car and look down at the dash from the passenger side and then your going to have to depend on feeling with your hands. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators. I used an air body saw to make the cuts.

You will definitely need a small saw. Its aluminum so take your time. Be careful to not cut any wires or to nick your actuators other panels etc.

Picture 3 shows the space with the heater core removed. Picture 4 is the new heater core with the lines cut. I used an air body saw and then cleaned up the ends.

Picture 5 is the new core in place without the hoses. Picture 6 is the complete install the hoses are 34 inch ID. In these articles Vette will show how to replace the C3 heater core and the evaporator two items of core value in controlling your cars interior environment.

Part 1 details the steps and. Finally remove the heater core from its casinghousing. Remove any fasteners or screws to gain free access to the heater core itself.

Take the old heater core out and simply insert and fasten the replacement. How to Save Money on Heater Core Replacement. A heater core is a comparatively inexpensive part across all vehicle makes and models.

Remove the retainer that held the evaporator away from the case install evaporator and tube sealing grommet. Install the plenum 4 screws. Install the de-icing switch mounting plate install de-icing switch capillary tube back into evaporator core and position blower wire grommet.

Remove 8 screws from the metal back plate of the heater box and also 3 screws on the top which hold the damper mechanism in place. Be sure to mark the location of this mechanism for easy reassembly. Lift the metal plate up from the heater box and pull out the core.

From inside the passengers compartment remove the 7 screws that secure the heater core access cover to the plenum chamber. Disconnect the vacuum source but leave the vacuum harness connected to the cover and remove the cover. Remove the heater coreTo install.

Installation is the reverse of removal. Replace any damaged sealer. Install the new heater core into the heater case.

Replace the core bracket and bracket screw dampers and linkages to the case and then put the case back in the Tracker. Reconnect all the cables and connections from the heater case to the engine compartment. Proceed in reverse order starting with the heater assembly-to-chassis nuts and bolts.

Before installing a new heater core transfer any parts from the old heater core to the new one. Install the new core reinstall or replace the mounting clamps and then the hoses as well as the heater drain tube. Once the heater core clamps hoses and tube are secure youre ready to add new coolant to the radiator.

Old coolant can also lead to another form of heater core failure which is clogging or blockage of the passage. A partially blocked heater core will prevent the coolant to circulate properly throughout the entire system. Once the heater core is blocked or leaking the only effective repair is to obtain a heater core replacement.

One of the fittingsthe passenger side of intake goes to the heater core inlet. The hole on the Bigger hose outlet smaller hose inlet. Currently the heater hose goes from the driver side front on the intake.

Need Some Help w65 Small Block AC Heater Hose Routing.