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What is heater core replacement procedure on a 2000 Lincoln Navigator?
Wiki User
∙ 14y ago
*** Caution ***
Never open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink ant that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
Heater Core
1. Disconnect the battery ground cable
2. Drain and recycle the engine coolant.
3. Remove the instrumental panel.
4. If equipped with the 5.4L 4V engine, remove the junction block splash shield.
5. If equipped with the 5.4L 4V engine, remove the bolts and disconnect the cable ends from the starter relay.
6. If equipped with the 5.4L 4V engine, remove the junction block bracket.
7. Disconnect the heater core hose couplings.
8. Remove the retaining screw and remove the A/C plenum demister adapter.
9. Disconnect the vacuum line from the A/C plenum demister adapter.
10. Remove the heater core bracket.
11. Remove the 13 plenum chamber top retaining screws.
12. Remove the plenum chamber top.
13. Remove the blend door assembly from the case.
14. Remove the heater core.
15. The installation is the reverse of the removal.
Wiki User
∙ 14y ago
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hellow just wonderin if you guys know where would be the heater core on my 2003 Lincoln navigator
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You will see 2 heater hoses connected to the firewall. These are the inlet & outlet hoses going to the heater core. Disconnect them and then connect them together with a coupler. This will bypass the heater core.
I have a 1999 Lincoln Navigator and I have notice that the anti-freeze is leaking underneath on the passenger side. When truck is running it doesn't leak. What could be wrong?
Have your heater core check out. On my navigator there was a leakage in a tube under the passenger fender. Take it off and check out you tubes.
How do you change the heater core in a Lincoln navigator?
The entire dash must come out. It is about a 7 hour job if you know what you are doing. If you don't take lots of pictures and put things in labeled bags.
How do you remove the dash from a 1998 Lincoln Navigator to replace the heater core?
You do not have to remove the dash. You do however have to remove enough of the ductwork to allow access to the heater core. This is almost never an easy job and as I have not replaced one on a Navigator, I cannot tell you exactly what to remove. Just remove what is necessary to get to the core. This is why the Pros charge so much to replace a heater core. Just remember exactly how the parts cam off and how they go back on. Good Luck.
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Why would you have a strong colant smell coming out of the ac vent of a Lincoln Navigator?
Probably a leaky heater core. Look in the passenger side floor board (maybe driver side as well) and see if the carpet is wet. These are all tell tell signs of a heater core that is leaking.
