2004 ac unit comes and go's
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Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
2004 ac unit comes and go's
Got back from a 1400 mile round trip in our 04 expe. Notice that the ac unit would freeze up and stop blowing air out the vents. I had taken this complaint into the dealer in March of this year and they said nothing is wrong. 
. is there a TSB on this? Or how do i repeat this for the dealer?
I took it in before the mileage warranty expired now i am over the mileage warranty but wonder if i can get them to fix at n/c
thanks in advance
Mike
. is there a TSB on this? Or how do i repeat this for the dealer? I took it in before the mileage warranty expired now i am over the mileage warranty but wonder if i can get them to fix at n/c
thanks in advance
Mike
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
Originally Posted by fordmdb
Notice that the ac unit would freeze up and stop blowing air out the vents.
Is it really FREEZING up or is the fan just not working?I ask because I once rented a car that the accumulator would get caked in ice after about 50 miles. It always blew cold air though....
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Former Vendor
Joined: Sep 2000
Posts: 2,627
Likes: 76
From: South Carolina
Ken
freeze, frozen, stopped blowing, not working, decreased output, boy it sure is hot in here....
the fan works on all settings but no air comes accross the vents.....
MB
freeze, frozen, stopped blowing, not working, decreased output, boy it sure is hot in here....
the fan works on all settings but no air comes accross the vents.....
MB
Sit. Stay.
Joined: Oct 2001
Posts: 18,308
Likes: 20
From: Washington State
Sounds like a door problem! Is your truck still covered under warranty?
I was really serious in my asking about freezing. I've heard of ice clogging up the vents which prevent the air from coming out.
I was really serious in my asking about freezing. I've heard of ice clogging up the vents which prevent the air from coming out.
New User
Joined: Jun 2005
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I have the exact same problem!!! Have you tried letting go of the accelerator? It starts blowing air again, right??? As soon as you hit the gas, the air seems to disappear and almost seems to go to window defrost mode or something. I hear it and feel it coming out the front window defrost vents on top of the dash only but nowhere else. I need to take it in to the dealer as well. Atleast I'm not the only one with this problem.
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Former Vendor
Joined: Sep 2000
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From: South Carolina
Originally Posted by svtjackl
I have the exact same problem!!! Have you tried letting go of the accelerator? It starts blowing air again, right??? As soon as you hit the gas, the air seems to disappear and almost seems to go to window defrost mode or something. I hear it and feel it coming out the front window defrost vents on top of the dash only but nowhere else. I need to take it in to the dealer as well. Atleast I'm not the only one with this problem.
Senior User
Joined: May 2003
Posts: 100
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Originally Posted by fordmdb
i have to turn the ac off for a minute and turn back on before air will start coming back out the vents...
I havent tried letting off the gas though...Dear ford..could you please add just a few more gremlins in the 06 expedition...? Scarcasm ON!
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Junior User
Joined: Apr 2004
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From: Aurora, Illinois
I had the same problem on my 04 expy and had the problem fixed at the dealer. There is a tsb 02-25-7 and has been superceded by article no. 03-6-4. Have the dealer check the new tsb number. Good Luck!!
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Former Vendor
Joined: Sep 2000
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From: South Carolina
Originally Posted by Bornzo
I had the same problem on my 04 expy and had the problem fixed at the dealer. There is a tsb 02-25-7 and has been superceded by article no. 03-6-4. Have the dealer check the new tsb number. Good Luck!!
Elder User
Joined: Jul 2003
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From: Salisbury, MD
A/C - Intermittent Loss of Cooling at Highway Speeds
Article No.
04-5-9
03/22/04
CLIMATE CONTROL - INTERMITTENT LOSS OF
COOLING OR AIRFLOW FROM A/C SYSTEM AT
HIGHWAY DRIVES - VEHICLES BUILT PRIOR TO
3/16/2004
FORD:
2003-2004 EXPEDITION
LINCOLN:
2003-2004 NAVIGATOR
ISSUE
Some 2003-2004 Expedition/Navigator vehicles built before 03/16/2004 may exhibit an intermittent loss of cooling (temperature swings) or diminished register airflow from the A/C system during highway drives. Diminished airflow on drives of 30 minutes or more may be due to ice formation on the evaporator core. This condition is exhibited in hot and humid climates only. Temperature swings with strong register airflow may be due to unwanted cycling of the thermostatic switch. This condition occurs only when the rear climate control system is not present or turned off.
ACTION
To service, install an evaporator assembly-mounted thermostatic cycling switch and disable the TXV-mounted thermostatic switch, using service Kit 4L1Z-19E992-M. For vehicles built on or after August 2003, it is also necessary to order and install fastener W701696-S301. For installation procedures refer to the Service Kit instruction sheet.
NOTE TOOLS REQUIRED FOR PROCEDURE INCLUDE A 1/2" DRILL BIT AND A 1/2" STOP COLLAR FOR THE DRILL BIT. A SUITABLE STOP COLLAR IS CONTAINED IN MAC TOOL KIT GN5838. USE OF A STOP COLLAR IS MANDATORY TO PREVENT DAMAGE TO THE EVAPORATOR CORE.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
040509A Navigator: Install 1.5 Hrs.
Evaporator Assembly
Mounted Thermostatic
Cycling Switch And
Harness
040509B Expedition: Install 1.8 Hrs.
Evaporator Assembly
Mounted Thermostatic
Cycling Switch And
Harness (Includes Time To
Remove And Install Center
Console)
Article No.
04-5-9
03/22/04
CLIMATE CONTROL - INTERMITTENT LOSS OF
COOLING OR AIRFLOW FROM A/C SYSTEM AT
HIGHWAY DRIVES - VEHICLES BUILT PRIOR TO
3/16/2004
FORD:
2003-2004 EXPEDITION
LINCOLN:
2003-2004 NAVIGATOR
ISSUE
Some 2003-2004 Expedition/Navigator vehicles built before 03/16/2004 may exhibit an intermittent loss of cooling (temperature swings) or diminished register airflow from the A/C system during highway drives. Diminished airflow on drives of 30 minutes or more may be due to ice formation on the evaporator core. This condition is exhibited in hot and humid climates only. Temperature swings with strong register airflow may be due to unwanted cycling of the thermostatic switch. This condition occurs only when the rear climate control system is not present or turned off.
ACTION
To service, install an evaporator assembly-mounted thermostatic cycling switch and disable the TXV-mounted thermostatic switch, using service Kit 4L1Z-19E992-M. For vehicles built on or after August 2003, it is also necessary to order and install fastener W701696-S301. For installation procedures refer to the Service Kit instruction sheet.
NOTE TOOLS REQUIRED FOR PROCEDURE INCLUDE A 1/2" DRILL BIT AND A 1/2" STOP COLLAR FOR THE DRILL BIT. A SUITABLE STOP COLLAR IS CONTAINED IN MAC TOOL KIT GN5838. USE OF A STOP COLLAR IS MANDATORY TO PREVENT DAMAGE TO THE EVAPORATOR CORE.
OTHER APPLICABLE ARTICLES: NONE
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
OPERATION DESCRIPTION TIME
040509A Navigator: Install 1.5 Hrs.
Evaporator Assembly
Mounted Thermostatic
Cycling Switch And
Harness
040509B Expedition: Install 1.8 Hrs.
Evaporator Assembly
Mounted Thermostatic
Cycling Switch And
Harness (Includes Time To
Remove And Install Center
Console)
Last edited by daveplot; Jul 25, 2005 at 07:54 AM.
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