Question about 2001 Ford Expedition
Posted by Anonymous on
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Posted on Jan 02, 2017
the heater bypass is quite simple, if you look at the firewall you will see two medium sized coolant lines, remove them from the firewall and link them together using a proper sized tube, you can purchase a kit at a parts store quite cheaply
Posted on Oct 11, 2008
the best I can recommend at this time is go to auto zone and ask if they can provide a diagram print out for you I have a Haynes book and it states: to pull off the cover of the heater core/evaporator core housing it has small screws and then pull the blend door assembly out to expose the heater core
Posted on Jan 09, 2009
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.
Posted on May 01, 2009
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.
Posted on Jan 01, 2010
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