Question about 1999 Ford Expedition

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How do you change a heater core for a 1999 expedition

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This is an ugly job and it is very easy to break hard to get parts. Consider letting a qualified shop do this job.

Posted on Sep 15, 2010

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99 expedition , how do you change actuater ?

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Nov 19, 2015 | Cars & Trucks

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1999 ford Expedition heater core removal

If the hose is leaking at heater hose,maybe heater core is bad,here's a repair guide to the heater core and hose.

Dec 22, 2012 | 1999 Ford Expedition

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No heat in my 1999 ford expedition

check your coolant level if full check your heater controll valve it is located on the heater core hose near fire wall
if they are oo you will ned a new heater core

Dec 29, 2010 | 1999 Ford Expedition

1 Answer

1999 ford expedition heater not working

if it comes on but blowes cold air, or the ac still works it is the heater core, if it does not come on at all change the blower motor, make sure you check the fuses firs to make sure its not that!

Dec 07, 2010 | 1999 Ford Expedition

1 Answer

Heater coil on a 1999 ford expedition how hard is it to change out?

Inspect/Replace If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired.
Heater Housing
  • The heater housing is usually under the dash and must be removed to gain access to the heater core.
  • Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
f74-01.gif The heater housing is disassembled to get to the heater core. Heater Core
  • Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
  • Remove the heater coolant hoses.
  • Remove the cable and/or vacuum control lines (if equipped).
  • Remove the heater core securing brackets and/or clamps.
  • Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
  • To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.

Dec 03, 2010 | 1999 Ford Expedition

1 Answer

Heater core replacement 1999 expedition

Heater Core 1. Disconnect the battery ground cable 2. Drain 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.
The heater core should be encased in a box up inside the dash.The best way to find this is to locate the heater hoses that go through the fire wall(about 1 1/4 in diameter).This is a very tight job and you will spend most of you time laying on the floor taking out screws.Be careful not to loose any of the heater core casing screws or bolts and when refilling the coolant system fill the radiator directly,start the engine with the radiator cap off,the level will drop,fill the radiator the rest of the way and replace the cap,allow the engine to reach normal operating temp.(about 10 to 15 minutes)so that the themostat will open and then allow the engine to cool and recheck fluid level.

Jan 01, 2010 | 1999 Ford Expedition

1 Answer

Changed T-Stat heater not working

You may need a heater core. This is usually mounted under the dash. Check the heater lines that go into the cab to see if they get hot. No hot antifreeze in the heater core = no heat.

Dec 14, 2009 | 1999 Ford Expedition

2 Answers

How to replace heater core ford expedition 1999
Go to the above link for a video procedure to explain the removal of heater core.

Nov 12, 2009 | 1998 Ford Expedition

1 Answer

Where is the heater core hose in my 2000 ford expedition?

check closer to just underneath the firewall--it could be a smaller problem than a heater core--Ford 4.6--5.4 engines have a tube just underneath the intake manifold that the rubber hose goes bad and it will leak towards the back of the engine.Lets hope so-what i hear its very expensive to change a heater core in an Expedition.

May 01, 2009 | 2000 Ford Expedition

2 Answers

99 ford expedition front heater core location

behind glove box look under hood on pasnger side for two hoses going in to fire wall this is where your heater core will be located if you need more help call me at 850-791-4498

Dec 05, 2008 | 1999 Ford Expedition

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