Just remove what is necessary to get to the core. Obviously the time to have your heater core replaced is when you have no heat inside your car or you are getting very little of it. Its hard to check anything since heater water comes from rear of engine, we all know what thats like to get to. The subsequent replacement cost is usually not very high, but the levels of discomfort in the car are high. As such, most of your dash if not entirely must be removed first.
Then pry up front 2 and left rear corners with a small screwdriver. In an F150 or Expedition, it's got two or three little plugs that you've gotta pop out to get to the bolts. Chances are it's caused by a common blend door failure. A heater core replacement for Lincoln Navigator not only ensures proper performance from your heater, but your windshield defroster as well. Jan 28, 2012 If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
See sources and related links below for replacement bulb information. The passenger's side after removal of the airbag. Feb 23, 2018 Most ductwork doors are controlled with actuator motors that open or close flap doors. My guess is that one of these actuator motors is not working due to its age. This is also where I'd recommend going into the passenger's side front wheel well and disconnecting the antenna lead at the mast and shoving it through the firewall, this'll get you more room to work with when pulling the dash back. All three models have a common problem with the blend door failing and causing a lack of control over the air flow through the heater core.
Disconnect the heater core hose couplings. Carefully, install the dashboard back into position and re-attach tie bars and mounts. If you feel uncomfortable doing the repair yourself, go to find a HeaterTreater certified garage near you. You do however have to remove enough of the ductwork to allow access to the heater core. Surviving without heat over winter or to drive a car with frosted windows certainly does not make your driving neither comfortable nor safe, so get the heater core it repaired or replaced. Take note on the location of these lines and cables to reassemble them in their proper locations. Step 12 - Next, remove and vacuum lines and control cables from the plenum.
Don,t forget to rate my answer. And while you're down there, go ahead and pull the bulkhead connectors through into the cab that you disconnected from under the hood. Rotate the plenum up behind the instrument panel and position the plenum to the dash panel. When a heater core leaks, a new heater core is installed or the old one repaired. Remove the heater core by pulling the pipes through the firewall toward you and tilting it out.
This is why the Pros charge so much to replace a heater core. A heater core replacement for Lincoln Navigator not only ensures proper performance from your heater, but your windshield defroster as well. Hello, I recently encountered a problem. To keep everyone warm and cozy when the winter elements set in-replace a faulty Lincoln Navigator heater core before the weather turns cold. We offer ongoing customer support and detailed written instructions as well as video demonstrations.
Remove the screw and the plastic bracket. There is smoke coming through the vents and it smells like coolant. The heater housing is disassembled to get to the heater core. All information on this site is the opinion of its members and not the opinion of the site itself. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
The installation is the reverse of the removal. I did put some radiator leak stop in the system recently. The blend door is a small plastic door inside your car that regulates the flow of air through your heater core. Install the 2 screws and plastic push fastener. Do not forget to fill the antifreeze and warm the engine up beforedriving.
Hi naurinkus, I have replaced a few heater core but not in a Town Car, so I don't have a personalized procedure with pictures. On a Navigator, the dash panel that hides the two 7mm bolts you need to get to comes off in one whole piece. There may be some You-Tube videos for a Lincoln 1998 thru 2002 that may be helpful. Remove the plenum from the vehicle by rotating the top of the plenum forward, down and out from under the instrument panel. Install new core in the plenum assembly carefully to avoid damage, reassemble the plenum accordingly.