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Old 02-22-2011, 10:21 PM
Riderman Riderman is offline
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1999 F250 4x4 heater core replacement

I'm sure this post has been answered a 100 times, I apologize for not searching and just asking this question again... Does anyone have detailed instructions\a proceedure for this? My son just popped home with my grandson with a leaking heater coil in his 99 F250 4x4 truck. We need to repair it ASAP, as he has to leave to go back home in a couple of day's. Money is tight for him and I want to help. Other than stroking a check to "tha man" to do this, is this a dash removal type job or one an ole X mechanic can perform. I usually hang in the 73-79 group. Thank you for any information other than (yea, ya gatta remove the dash)
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Old 02-23-2011, 12:06 AM
Dr. Rik Dr. Rik is offline
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heater core

Heater Core

****** name=tps_proctitle content="Heater Core">Removal
NOTE: If a heater core leak is suspected, the heater core must be leak-tested before it is removed from the vehicle. For additional information, refer to Section 412-00.
  1. Disconnect the battery. For additional information, refer to Section 414-01.
  1. Drain the cooling system. For additional information, refer to Section 303-03A.
  1. Remove the instrument panel. For additional information, refer to Section 501-12.
  1. Compress the holding tabs and disconnect the heater water hoses (18472) at the heater core (18476).
  • Click the image to open in full size.
  1. Remove the A/C plenum demister adapter (19E662).
    1. Remove the screw.
    1. Remove the A/C plenum demister adapter.
  • Click the image to open in full size.
  1. Disconnect the vacuum line.
  • Click the image to open in full size.
  1. Remove the heater core bracket.
    1. Remove the screws.
    1. Remove the bracket.
  • Click the image to open in full size.
  1. Remove the plenum chamber top.
    1. Remove the 13 screws.
    1. Remove the plenum chamber top.
  • Click the image to open in full size.
  1. Remove the blend door assembly from the case.
  1. Remove the heater core.
  • Click the image to open in full size.
Installation
  1. To install, reverse the removal procedure.
    • Lubricate the coolant hoses with MERPOL® meeting Ford specification ESE-M99B144-B or plain water only, if needed.
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Old 02-23-2011, 12:15 AM
Dr. Rik Dr. Rik is offline
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dash removal

Instrument Panel

****** name=tps_proctitle content="Instrument Panel">Removal
  1. If equipped with power seats, move the seat fully rearward.
  1. If equipped with a manual transmission, place the transmission into second gear.
  1. Remove the passenger air bag. For additional information, refer to Section 501-20B.
  1. Remove the driver air bag. For additional information, refer to Section 501-20B.
  1. Position the battery junction box aside.
    • Release the mounting tabs.
  • Click the image to open in full size.
  1. Remove the bulkhead electrical connectors from inside the engine compartment.
    1. Loosen the bolts.
    1. Disconnect the bulkhead electrical connectors.
  • Click the image to open in full size.
  1. Remove the bulkhead electrical connector insulator.
  • Click the image to open in full size.
  1. Unclip the bulkhead electrical connectors from the dash panel.
  • Click the image to open in full size.
  1. Remove the lower instrument panel steering column cover. For additional information, refer to Instrument Panel—Steering Column Cover.
  1. If equipped, remove the valance panel.
    • Remove the two pin-type retainers and release the expander clip.
  • Click the image to open in full size.
  1. Disconnect the restraint control module (RCM) electrical connector.
    1. Release the locking tab.
    1. Disconnect the RCM electrical connector.
    • Release the wiring harness locators.
  • Click the image to open in full size.
  1. Disconnect the electronic blend door actuator electrical connector.
    • Release the wiring harness locators.
  • Click the image to open in full size.
  1. Disconnect the climate control head vacuum harness connector.
  • Click the image to open in full size.
  1. Remove the LH and RH scuff plates.
  • Click the image to open in full size.
  1. Position the LH and RH door weatherstrip seals aside.
  • Click the image to open in full size.
  1. Remove the LH and RH A-pillar lower trim panels.
  • Click the image to open in full size.
  1. Remove the alternative fuel control module (AFCM).
    1. Disconnect the electrical connector.
    1. NOTE: The AFCM is attached with velcro.
      Remove the AFCM from the vehicle by pulling gently down and to the right.
  • Click the image to open in full size.
  1. Remove the RH assist handle (31406).
    1. Remove the four covers.
    1. Remove the four screws.
    1. Remove the RH assist handle.
  • Click the image to open in full size.
  1. Remove the LH and RH windshield side garnish mouldings (03598).
  • Click the image to open in full size.
  1. Disconnect the brake pedal position (BPP) switch electrical connector.
    • Release the wiring harness locators.
  • Click the image to open in full size.
  1. If equipped, disconnect the clutch pedal position (CPP) switch.
  • Click the image to open in full size.
  1. Remove the (A) audio unit ground and the (B) GEM/CTM ground bolts.
  • Click the image to open in full size.
  1. Disconnect the LH instrument panel main wiring harness connectors.
    • Release all the main wiring harness locators.
  • Click the image to open in full size.
  1. Remove the instrument panel steering column opening cover reinforcement (04502).
    1. Remove the nuts.
    1. Remove the instrument panel steering column opening cover reinforcement.
  • Click the image to open in full size.
  1. Disconnect the air bag sliding contact electrical connectors and the anti-theft sensor electrical connector.
  • Click the image to open in full size.
  1. Disconnect the remaining electrical connectors on the steering column.
  • Click the image to open in full size.
  1. If equipped, disconnect the transmission range indicator from the steering column.
    1. Remove the bolt.
    1. Disconnect the cable.
  • Click the image to open in full size.
  1. Lower the steering column (3C529).
    1. Remove the nuts.
    1. Lower the steering column.
  • Click the image to open in full size.
  1. Remove the instrument panel bolts through the steering column opening.
  • Click the image to open in full size.
  1. Remove the instrument panel reinforcement bolt below the LH corner of the cigar lighter and power point.
  • Click the image to open in full size.
  1. Disconnect the inertia fuel shutoff switch electrical connector.
  • Click the image to open in full size.
  1. Remove the RH ground bolts.
  • Click the image to open in full size.
  1. If equipped, disconnect the load leveling control suspension wiring harness electrical connector.
  • Click the image to open in full size.
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Old 02-23-2011, 12:18 AM
Dr. Rik Dr. Rik is offline
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dash removal#2

  1. Disconnect the RH instrument panel main harness connectors.
    • Release all the wiring harness locators from the cowl side panel.
  • Click the image to open in full size.
  1. Disconnect the climate control wiring harness connector.
  • Click the image to open in full size.
  1. Remove the audio unit; refer to Section 415-01.
  1. Remove the audio unit antenna lead-in cable from the instrument panel.
    1. Disconnect the three cable locators from the lower instrument panel channel.
    1. Remove the audio unit antenna lead-in cable from the instrument panel.
  • Click the image to open in full size.
  1. Remove the glove compartment. For additional information, refer to Glove Compartment.
  1. Remove the instrument panel bolts through the passenger side air bag module opening.
  • Click the image to open in full size.
  1. Remove the instrument panel bolt on the relay bracket.
  • Click the image to open in full size.
  1. Remove the instrument panel reinforcement bolt below the LH corner of the glove compartment.
  • Click the image to open in full size.
  1. NOTE: Position the carpet aside.
    Loosen the instrument panel floor brace.
    1. Remove the upper instrument panel floor brace bolt.
    1. Loosen the instrument panel brace bolts and nut.
  • Click the image to open in full size.
  1. Remove the RH instrument panel cowl side nut.
  • Click the image to open in full size.
  1. Remove the LH instrument panel cowl side nut.
  • Click the image to open in full size.
  1. Remove the instrument panel cowl top bolts.
    1. Remove the covers.
    1. Remove the bolts.
  • Click the image to open in full size.
  1. NOTE: Two technicians are required to perform this step.
    Remove the instrument panel (04304).
  • Click the image to open in full size.
Installation
  1. NOTE: Two technicians are required to perform this step.
    Align and position the instrument panel with the clips in the sheet metal.
  • Click the image to open in full size.
  1. Install the instrument panel cowl top bolts.
    1. Install the bolts.
    1. Install the covers.
  • Click the image to open in full size.
  1. Install the LH instrument panel cowl side nut.
  • Click the image to open in full size.
  1. Install the RH instrument panel cowl side nut.
  • Click the image to open in full size.
  1. NOTE: To prevent any squeaks or rattles, install and tighten the upper instrument panel floor brace bolt first, then tighten the floor brace bolts and nut.
    NOTE: Reposition the carpet after this step is performed.
    Install the instrument panel floor brace.
    1. Install the upper instrument panel floor brace bolt.
    1. Tighten the instrument panel floor brace bolts and nut.
  • Click the image to open in full size.
  1. Install the instrument panel reinforcement bolt below the LH corner of the glove compartment.
  • Click the image to open in full size.
  1. Install the instrument panel bolt on the relay bracket.
  • Click the image to open in full size.
  1. Install the instrument panel bolts through the passenger side air bag module opening.
    • Install the RH bolt first.
  • Click the image to open in full size.
  1. Install the glove compartment. For additional information, refer to Glove Compartment.
  1. Install the audio unit antenna lead-in cable into the instrument panel.
    1. Position the audio unit antenna lead-in cable into the instrument panel.
    1. Connect the cable locators between the instrument panel channel and the audio unit end of the cable.
  • Click the image to open in full size.
  1. Install the audio unit. For additional information, refer to Section 415-01.
  1. Connect the climate control wiring harness connector.
  • Click the image to open in full size.
  1. Connect the RH instrument panel main harness connectors.
    • Insert all the wiring harness locator into the cowl side panel.
  • Click the image to open in full size.
  1. If equipped, connect the load leveling control suspension wiring harness electrical connector.
  • Click the image to open in full size.
  1. Install the RH ground bolts.
  • Click the image to open in full size.
  1. Connect the inertia fuel shutoff switch electrical connector.
  • Click the image to open in full size.
  1. Install the instrument panel reinforcement bolt below the LH corner of the cigar lighter and power point.
  • Click the image to open in full size.
  1. Install the instrument panel bolts through the steering column opening.
  • Click the image to open in full size.
  1. Position the steering column.
    • Install the four steering column support nuts.
  • Click the image to open in full size.
  1. If equipped, connect the transmission range indicator to the steering column.
    1. Connect the cable.
    1. Install the bolt.
  • Click the image to open in full size.
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Old 02-23-2011, 12:20 AM
Dr. Rik Dr. Rik is offline
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Dash removal #3

  1. Connect the remaining electrical connectors on the steering column.
  • Click the image to open in full size.
  1. Connect the air bag sliding contact electrical connectors and the anti-theft sensor electrical connector.
  • Click the image to open in full size.
  1. Install the instrument panel steering column opening cover reinforcement.
    1. Position the instrument panel steering column opening cover reinforcement.
    1. Install the nuts.
  • Click the image to open in full size.
  1. Connect the LH instrument panel main wiring harness connectors.
    • Insert the main wiring harness locators.
  • Click the image to open in full size.
  1. Connect the audio unit ground and the GEM/CTM ground bolts.
  • Click the image to open in full size.
  1. If equipped, connect the CPP switch.
  • Click the image to open in full size.
  1. Connect the BPP switch electrical connector.
    • Insert the wiring harness locators.
  • Click the image to open in full size.
  1. Install the LH and RH windshield side garnish mouldings.
  • Click the image to open in full size.
  1. Install the RH assist handle.
    1. Position the assist handle.
    1. Install the four screws.
    1. Install the four covers.
  • Click the image to open in full size.
  1. Install the alternative fuel control module (AFCM).
    1. NOTE: The AFCM is attached with velcro.
      Attach the AFCM by pressing it into its original position.
    1. Connect the electrical connnector.
  • Click the image to open in full size.
  1. Install the LH and RH A-pillar lower trim panels.
  • Click the image to open in full size.
  1. Install the LH and RH door weatherstrip seals.
  • Click the image to open in full size.
  1. Install the LH and RH scuff plates.
  • Click the image to open in full size.
  1. Connect the climate control head vacuum harness connector.
  • Click the image to open in full size.
  1. Connect the electronic blend door actuator electrical connector.
    • Insert the wiring harness locators.
  • Click the image to open in full size.
  1. Connect the RCM electrical connector.
    1. Connect the RCM electrical connector.
    1. Engage the locking tab.
    • Insert the wiring harness locator.
  • Click the image to open in full size.
  1. If equipped, install the valance panel.
  • Click the image to open in full size.
  1. Install the lower instrument panel steering column cover. For additional information, refer to Instrument Panel—Steering Column Cover.
  1. Clip the bulkhead electrical connectors into the dash panel.
  • Click the image to open in full size.
  1. Install the bulkhead electrical connector insulator.
  • Click the image to open in full size.
  1. Connect the bulkhead electrical connectors from inside the engine compartment.
  • Click the image to open in full size.
  1. Install the battery junction box into the mounting tabs.
  • Click the image to open in full size.
  1. If equipped, adjust the transmission range indicator. For additional information, refer to Section 307-05.
  1. Install the passenger air bag. For additional information, refer to Section 501-20B.
  1. Install the driver air bag. For additional information, refer to Section 501-20B.
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Old 02-23-2011, 12:28 AM
Dr. Rik Dr. Rik is offline
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WoW good luck

Just a few lines after sending you all the stages of the repair (dash removal#1,2, and 3). I do this for a living and the vehicle you are wanting to do is a bit of a challange. for what its worth when doing them i undo the dash enough to pull the dash out on the passenger side enough to crawl under it and remove the heater assembly . its difficult operation, but like a person i know tells me often its just nuts an bolts. another possability is to go on craigs list and look for a Ford tech who is either unemployed or wanting more $$$. good luck
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Old 02-23-2011, 03:51 PM
Riderman Riderman is offline
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[quote=Dr. Rik;10005594]Just a few lines after sending you all the stages of the repair (dash removal#1,2, and 3).

Thank you for the write up, I just got home from work and read this. I cant seem to open the links and the pictures wont show up. Looks like this was an awsome write up.

Thanks again,
Rich
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Old 02-23-2011, 11:06 PM
Dr. Rik Dr. Rik is offline
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The message is still there.

I was quite surprised, last night it said no more than thirty pictures per message, so thats why i broke it up in the three stages, when i was looking at it all they were there. Its funney that some of the pictures help but mostly it is all about knowing you can,however if you are under a time restraint you might need to look at plan "B" good luck
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Old 02-24-2011, 09:29 PM
Podaso Podaso is offline
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How do I get a username and password for that site? Haha!
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Old 02-24-2011, 10:16 PM
avator's Avatar
avator avator is offline
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I'd recommend changing the blend door also - while you're under the dash.
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Old 02-25-2011, 08:55 PM
Riderman Riderman is offline
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Quote:
Originally Posted by Dr. Rik View Post
it is all about knowing you can,however if you are under a time restraint you might need to look at plan "B" good luck
I hate to admit this, I took plan "C". GRR.. I'm not proud of this. Mel gave me a local hookup, but by the time my son got there, there wasnt enough time, it would be next week before they could get to it. Thank you for the info anyway Mel! The heater core was already isolated\bypassed from the rest of the coolant system. I ended up flushing the heater core with radiator cleaner, mixing AlumAseal with boiling water and pouring it down the heater core from the engine compartment. I then used a hydro pump that I borrowed from work and applied 14 psi pressure to the core via the rubbber hoses. I repeated this twice. I flushed the core of excess sealer with water afterwards and connected it to the cooling system. It works fine so far, with no leaks. I told him it may last a day, a week, a year, but I guaranteed him, it will eventually leak again. Remember, this is a borrowed truck, or the core would have been replaced. This would have been my first attempt on a 99 and my son has to leave Saturday night. If I broke or needed a part that I couldnt get until Monday, He would have issues at work.

I gave him a screwdriver and a gallon of water If it leaks, he can bypass it again.
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Old 02-27-2011, 11:57 PM
Riderman Riderman is offline
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UPDATE

[quote=Riderman;.

I gave him a screwdriver and a gallon of water If it leaks, he can bypass it again.[/QUOTE]

I will NEVER, EVER use this sh#t again. I knew better, and I used it anyway. The only thing guaranteed about this crap is that it will fail when you are in the middle of nowhere. Long story short, the seal failed on my son's trip back home, while in the middle of nowhere. I apologized to him and my DIL, and grandchild. Next time, I'll replace the leaking component, or pay the man to do the same, no exceptions. Sorry for the rant, If I could beat my own ***, I'd do it right now. Thank's Mel for the hookup that I let slip through my fingers. I'm Putting the Jim Beam down now!
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Old 02-28-2011, 09:52 AM
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Moto Mel Moto Mel is offline
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Sorry to hear that the "quick fix" didn't work out. In the past I have learned that Barrs Leak is the only nearly safe product to use for something like this. I have used as many as 2 or 3 cans/jars of it in one application and with our trucks the only way is through the main or upper radiator hose to the radiator and not the reservoir. It's also a PIA to do but not as bad as changing the heater core. Then to insure against clogging the system you need to flush the excess out and refill with fresh coolant. I would never recommend this method except in the most dire circumstances. I hope your son and family made it back home with no further problems.
I have a '98 Expedition that I'm selling cheap that needs a 4.6 engine only, the rest of it is in great shape. Why don't you buy that for him? An engine will run under $250 at Pick-N-Pull. A week end of labor and he he could have a great family truck. You have my number.
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Old 03-01-2011, 09:14 PM
Riderman Riderman is offline
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Quote:
Originally Posted by Moto Mel View Post
. I hope your son and family made it back home with no further problems.

They did, thank you for asking!

I have a '98 Expedition that I'm selling cheap that needs a 4.6 engine only, the rest of it is in great shape. Why don't you buy that for him? An engine will run under $250 at Pick-N-Pull. A week end of labor and he he could have a great family truck. You have my number.
Does it have a motor that need's rebuilt? Your right, I have your number. Looks like my 76 is on hold for a while.

Thanks
Rich
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Old 03-01-2011, 09:44 PM
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Moto Mel Moto Mel is offline
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Quote:
Originally Posted by Riderman View Post
Does it have a motor that need's rebuilt? Your right, I have your number. Looks like my 76 is on hold for a while.

Thanks
Rich
No engine, it needed one when I bought it. It ran good but had a spun #8 rod bearing I was going to install a near new Mark VIII engine that I had as a spare and then found my Navigator and kind of ran out of steam on the Expedition. It has a great body with good paint, 4X4, 3.73 traction lock rear, Power everything and no sun roof. Also near new tires. Clean Va. title in hand. $1500.00 solid, send me your email address by PM and I'll send pics.
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Old 03-01-2011, 09:44 PM
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