The heater valve is integral come a vehicle’s cooling system. Instead of one requires a brand-new valve, some basic tools, and fresh coolant.

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Step 1: Disconnect the battery. Ease the host down nut and also bolt from the negative battery cable end and also remove the connector native the battery post. This will prevent any kind of shorts from damaging the electric components.

Tip: If the automobile is an automatic with a shifter in the console, you may want to ar the auto in short gear prior to disconnecting the battery to provide you an ext space come work.

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Step 2: progressive the vehicle. If you have the right to not quickly reach the lower radiator hose, jack the vehicle up and secure it on jack stands come gain far better access.

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Step 3: ar the drainpipe pan under the vehicle. In bespeak to capture the coolant that will certainly be drained, girlfriend will have to put the drainpipe pan underneath the lower radiator hose.

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Step 4: eliminate the reduced radiator hose. Eliminate the lower radiator water tap from the radiator by very first loosening the clamp and then gently however firmly twisting the hose to ensure that it is not stuck on.

Tip: Oftentimes the hose will stick as if the is glued in place. By twisting, you can break this bond and make the much much easier to remove.

Remove the hose and also drain the engine coolant into the drainpipe pan.

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Step 5: locate your heater control valve. Part heater control valves will certainly be situated in the engine compartment at or close to the passenger next firewall. Others are situated behind the dashboard close to the passenger footwell.

Refer to the factory organization manual because that your auto to identify the exact location. In this guide, that is assumed that the regulate valve is situated behind the dash.

Note: for the steps that follow, girlfriend will require to continue referring come the factory organization manual for details around what needs to it is in removed and also the place and variety of fasteners that have to be gotten rid of as well.

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Step 6: remove the gloves box assembly open up the gloves box door and locate the attachments screws located along the outer edge that the gloves box. Remove the screws v the appropriate screwdriver or ratchet and also socket. Gently traction on the glove box assembly to eliminate from dash and disconnect any kind of electrical connectors connected to the gloves box assembly.

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Step 7: remove the dashboard. Locate the attachment screws, typically along the height edge and also bottom edges. There might be various other fasteners on the sides, depending on car design. Eliminate the attachments screws utilizing an proper tool. Gently but firmly traction on the dashboard and also slowly eliminate it, making certain to disconnect any remaining electrical connectors that may prevent girlfriend from removing the dashboard.

Be careful not to traction on any wire or manage cables.

Tip: Take images of how the wires and cables are routed and where all the electrical connectors go. Later on you can use the photos to ensure whatever is put earlier together properly.

At this allude you might see the heater regulate valve, however in some cases you will have to remove the heater crate to gain access.

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Step 8: remove the heater regulate valve situate the mounting bolts or screws that host the heater regulate valve in place.

Remove the fasteners v an appropriate tool and also remove the valve. Pay fist to the orientation.

Step 9: Prepare the hoses. To assist prevent leaks, completely clean the inner of any type of hoses the were removed and also the component you space reattaching the to.

Step 10: install the brand-new heater regulate valve. Install the brand-new valve in the same position and also orientation together the old valve.

Step 11: Reassemble the dashboard and also glove box. Reinstall the dashboard, gloves box, and also any other contents that were removed.

Refer to the photos you took earlier if necessary.

Step 12: replace the lower radiator hose. Reattach the reduced radiator hose and tighten the hose clamp.

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Step 13: Refill the cooling system. Use a 50/50 mixture of antifreeze and also distilled or demineralized water come refill the cooling system.

Step 14: Bleed all the waiting out. To gain all the air out of the cooling system, girlfriend will should start the vehicle, revolve the heater ~ above high, and allow the car to accomplish normal operating temperature.

Keep topping turn off the coolant as required until the system is totally full, checking for leaks where hoses to be removed and installed.

Step 15: Clean up afterward. Dispose of the supplied coolant in a manner that corresponds to local laws and also regulations.

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Each vehicle model is draft differently; thus it is necessary to refer to the manufacturer’s factory business manual for your automobile for added details. If friend would choose a expert technician, such as one native piersonforcongress.com, to replace your heater control valve because that you, one of our mobile mechanics deserve to work on your automobile at your house or office.