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Old 12-29-2003, 17:27   #1 (permalink)
Sikeston Motors sux!!
 
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frown blowed heater core in 99 f150

anybody know how hard this is to replace? and where i could find instructions online? thanks fer any assistance you may be able to give.
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Old 12-30-2003, 10:37   #2 (permalink)
good "old" Ford Torque
 
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Re: blowed heater core in 99 f150

a real b*#!h ! "from what I've been told "
sent you a pm muddy,
"let him help you , and come back and tell us the story"
"don't forget to come back!!!!!"

LOL 89- is dieing to hear! LOL
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Old 12-30-2003, 17:27   #3 (permalink)
 
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Re: blowed heater core in 99 f150

Disconnect the negative battery cable.
Drain and recycle the engine coolant.
Disconnect the coolant hoses at the heater core tubes.
Remove the glove compartment.
Position the Rear Anti-lock Brake System (RABS) module to the side.
From inside the passenger's compartment, remove the 7 screws that secure the heater core access cover to the plenum chamber.
Disconnect the vacuum source, but leave the vacuum harness connected to the cover and remove the cover.
Remove the heater core.
To install:
Installation is the reverse of removal. Replace any damaged sealer.
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Old 12-30-2003, 18:37   #4 (permalink)
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Re: blowed heater core in 99 f150

wo! "didn't mean to piss you off 89 ! " LOL

" sounds like there ^ is your ansewer muddy"
hay 89; "I heard that you had to take the whole dash out ? "
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Old 12-31-2003, 01:41   #5 (permalink)
 
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Re: blowed heater core in 99 f150

Nope you didn't piss me off, i was just giving the man his answer. Sorry it came across that way. But i dont know about pulling the dash off. I pulled that out of a work shop manual for a 1999 F150. So if its wrong thats my excuse.
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Old 12-31-2003, 18:58   #6 (permalink)
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Re: blowed heater core in 99 f150

well, 2 days, 36 beers later(sum beer was consumed by freinds)... the heater core is replaced!!! and yes it was a B*^#h!! and i could see where the leak was so i was happy to be sure i was replacing the right part!!...the isnstructions you gave where tha same ones i read in the chiltons...but when it comes down to it, it just took common sense. theres alot of extra lil bolts tho!!! LOL!! but now she aint heatin...I think the culprit is the thermostat, cause it can get get stuck open or shut...correct? so.....Im thinkin maybe the thermostat got stuck in the closed position, let the water get too hot, along with presure received from the water pump and blew the heater core....now its stuck open and wont heat....sound right to y'all??? by the way...i used a chiltons.......thats whay it took 2 days instead of 1......word of advice dont invest in a chiltons manual cause they suck!!
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Old 01-01-2004, 02:47   #7 (permalink)
 
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Re: blowed heater core in 99 f150

YEah if the the Tstat stays open she wont heat. I'd go ahead and replace it asap.
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Old 01-01-2004, 13:03   #8 (permalink)
Sikeston Motors sux!!
 
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Re: blowed heater core in 99 f150

Quote:
Originally Posted by 89F150
YEah if the the Tstat stays open she wont heat. I'd go ahead and replace it asap.
well, its replaced, but still no heat....both hoses to the core are almost scalding hot...but i only get luke warm air

Guess ill be taking the dash back out and seeing where i meesed up at...must have kinked a vac hose er sumthin..only thing i can think of


funny how she stopped heatin right when i work on it so im sure its a fault of my own and not the temp selector knob

thanks fer any more suggestions yall may have!!
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Old 01-01-2004, 16:31   #9 (permalink)
Sikeston Motors sux!!
 
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Re: blowed heater core in 99 f150

update....
was able to check the vac hoses without completly takingthe dash out..... no kinks..... what in the world else could it be??? new Tstat ans core but no heat....had all the heat one man could stand before i took er apart.....guess ill be a busy guy tommorow.....will let ya know how it turns out
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Old 01-01-2004, 19:20   #10 (permalink)
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Re: blowed heater core in 99 f150

only thing i can think of is the blender door, or the blender door motor...what do yall think??
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