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Author
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Topic: Heater core question
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5LiterSpeeder
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Member # 8234
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posted
 
 
How do you guys with AC get the heater core box down enough to get the heater core out with the Ac lines connected??
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93'Ex 4cyl Notch TFS H/C/I 3.55s 4 wheel Cobra brakes, V2-SQ, 14 psi
RIP BRANDON, SILVERLX-
Posts: 561 | From: Healdsburg | Registered: Feb 2008
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Blind
2.3L
CAFords OG
Member # 3052
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posted
take the car to a shop before you start and have the a/c evacuated so you can unhook the lines, then when you're done have it refilled.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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5LiterSpeeder
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Member # 8234
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posted
You don't NEED to do that but it would definitely be the easier way to go about the project.
What I did took quite a while without breaking parts or cutting corners but IT CAN be done. I was able to get all four bolts out if the lId to the heater core with about an hour or so of pretty crappy grueling work. Once I finally got the heater core compartment lid off, the trick was getting the lid back in. I bent the back left edge if the lid up but not off with a pair of pliers and had a buddy push it in and on while I held the box assembly out and down as much as I could.
I will always recommend a factory repacement but if what you have is a garbage piece of craaaaap kregan one I'd take the extra money you would have spent and buy yourself a 30 pack or so and take your time.
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93'Ex 4cyl Notch TFS H/C/I 3.55s 4 wheel Cobra brakes, V2-SQ, 14 psi
RIP BRANDON, SILVERLX-
Posts: 561 | From: Healdsburg | Registered: Feb 2008
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rollin5ive0
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Member # 8592
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posted
take a 30 min break before you start that process the less cross eyed and pissed off u are the less profanity and frustration that compounds the situation will occur
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875.0gt
90dtlx5.0
93blkvenumos5.0COBRA#3377
96redthundr4.6l4vCOBRA
964.6l2vGT
895.0lGT
93cleancorlgreen5.0GT
93meancoralgreen5.0GT
Posts: 1830 | From: 707 vacaville ca | Registered: Aug 2008
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Vallejo707
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Member # 10296
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posted
quote:
Originally posted by rollin5ive0:
take a 30 min break before you start that process the less cross eyed and pissed off u are the less profanity and frustration that compounds the situation will occur
+1
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PS3 Game Tag: BeAsVtown
Sold: 2007 Yamaha R6 "Candy"
Sold: 1989 Mustang Vert
Current: 2012 Mustang 5.0
Posts: 799 | From: Vallejo,Ca | Registered: Sep 2010
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KevinK
Tech Mod
Member # 9234
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posted
Plan on 4-8 hours to complete the job.
Posts: 202 | From: San Mateo, CA | Registered: Jun 2009
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88FOX
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Member # 9969
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posted
Took dam near 8 for me. Got the new core from pep boys to so dont be alarmd if your new one is aluminum thats how theyre coming now adays i believe. Also highly recomend the flow restricters that go into the inlet tube by the fire wall it keep it from building to much pressure in your core making the thing pop.. can look them up on 50resto. And as for the ac lines jus work around them going threw the trouble of them being connected is well worth the money a shop would rob you of to mess with ur ac. Good luck and definatly take breaks that job suxxxx
Posts: 1938 | From: bay area | Registered: Apr 2010
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Stang66
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Member # 10504
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posted
took me about 3 hours
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1966 Ford Mustang
1990 Notchback
1975 Pontiac Trans Am 400ci
Posts: 754 | From: Stockton | Registered: Dec 2010
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5LiterSpeeder
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Member # 8234
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posted
quote:
Originally posted by Stang66:
took me about 3 hours
Damm! 3 hrs with the Ac lines connected?? My hat is off to you. It took me at least twice that long but I was in no hurry also. How did you manage to get the 2 8mm screws out of the back of the lid so quickly?
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93'Ex 4cyl Notch TFS H/C/I 3.55s 4 wheel Cobra brakes, V2-SQ, 14 psi
RIP BRANDON, SILVERLX-
Posts: 561 | From: Healdsburg | Registered: Feb 2008
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93 hatch
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Member # 8100
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posted
Did mine in 1 hour 45 min with some help from a friend
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Dart shp 364 AFR 195.off the shelf cam TKO 600 twin disc RST 11.36 @ 120 N/A
Posts: 502 | From: sants rosa | Registered: Dec 2007
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Stang66
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Member # 10504
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posted
quote:
Originally posted by 5LiterSpeeder:
quote:
Originally posted by Stang66:
took me about 3 hours
Damm! 3 hrs with the Ac lines connected?? My hat is off to you. It took me at least twice that long but I was in no hurry also. How did you manage to get the 2 8mm screws out of the back of the lid so quickly?
Actually the one i was working on had lid cut out above the heater core to take it out quicker.. Lol
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1966 Ford Mustang
1990 Notchback
1975 Pontiac Trans Am 400ci
Posts: 754 | From: Stockton | Registered: Dec 2010
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4.6WPRStang
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Member # 8685
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posted
did heater core change in my 96 gt mustang an it was a pain in the ass took my time so all together around 8 hours dont want to do it again lol
[ April 06, 2011, 12:18 PM: Message edited by: 4.6WPRStang ]
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96 GT saleen clone
91 5.0 saleen clone sold
Posts: 396 | From: 209 | Registered: Oct 2008
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hidnn.o.s.
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Member # 1219
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posted
quote:
Originally posted by 87 hatch:
Did mine in 1 hour 45 min with some help from a friend
![[Wink]](wink.gif)
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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hidnn.o.s.
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Member # 1219
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posted
quote:
Originally posted by tribal3579warrior:
This is the article that I used way back when this feature came out in the stands. This was my very 1st time ever working on any car besides an oil change and replacing my brakes. This helped me out tremendously and didn't have to discharge the A/C.
http://www.mustangmonthly.com/howto/mump_0102_heater_core_replacement/index.html
ALL of the heater core replacements I've done have this article next to the car I'm working on. This is a GREAT step be step article. Nowadays I use it more to put the misc nuts and bolts ontop of each picture etc, but this article and a few hours of time makes for a clean install.
JUST MAKE SURE YOU PUT NEW COOLANT BACK IN AND IF THE COOLANT IS RUSTY THAT COMES OUT, HAVE THE ENTIRE COOLING SYSTEM FLUSHED AND FILLED WITH NEW COOLANT
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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