Heater Core Replacement Question

dGrabber · December 8th, 2010, 09:25 AM

Hey guys, I just need a bit of info. I will soon be replacing my heater core and just want a bit info/images of where the hose runs. Unfortunately, my car's heater core was already bypassed so I don't know where the hose goes.

Any help/pics are greatly appreciated!

stephen · December 8th, 2010, 02:06 PM

If you remove the upper intake manifold (which is required to replace the heater hoses) you will see where the two heater hoses go. One is 3/4" and the other is 5/8" so they can't be interchanged.

The bigger issue is that the whole dash has to be removed in order to replace the heater core.

97S281 · December 8th, 2010, 05:39 PM

Changing Heater Core on 96-98 Mustang

This is for a 96-98 GT but I'm sure alot of it is the same.

dGrabber · December 9th, 2010, 10:55 AM

Thanks guys! I figured while I'm at it, I'm gonna add AM white gauge inserts and chrome rings. Might as well ya know.lol I'm gonna have fun with my stang during my break.lol

stephen · December 9th, 2010, 06:27 PM

I would recommend getting the shop manual for your car before you do this job.

I would unbolt the shifter and set it in the back seat with the cable still attached so you don't damage it. In the place where he says the heater box wouldn't come back very far it's because there was still a bolt holding it (look up underneath the box). There is a major connector under the front fender that needs to be released (check the shop manual).

Good luck.

December 8th, 2010, 09:25 AM	#1
dGrabber Regular '00 Mustang V6 Slow but looks nice :p Join Date: Sep 2010 Location: Pittsburgh, PA Posts: 478 iTrader: 0 reviews	Heater Core Replacement Question Hey guys, I just need a bit of info. I will soon be replacing my heater core and just want a bit info/images of where the hose runs. Unfortunately, my car's heater core was already bypassed so I don't know where the hose goes. Any help/pics are greatly appreciated! __________________ Build Thread Parts For Sale Mods: 01 Cobra Bumper, GT Rear Bumper, Reverse Glow Gauges, Smoked Headlights, Smoked Fogs, Windstar Upper Intake, 8.8 Rear End, Drilled & Slotted front brakes, to be cont'd...

December 8th, 2010, 05:39 PM	#3
97S281 Rollin' 18/ pushin' 2 1997 Saleen S281 Join Date: Feb 2007 Location: The lost highway Posts: 6,673 iTrader: 13 reviews	Changing Heater Core on 96-98 Mustang This is for a 96-98 GT but I'm sure alot of it is the same. __________________ MODS IN GARAGE NCMM ORIGINAL BLOWN 96-98 CREW MEMBER # 1

December 9th, 2010, 10:55 AM	#4
dGrabber Regular '00 Mustang V6 Slow but looks nice :p Join Date: Sep 2010 Location: Pittsburgh, PA Posts: 478 iTrader: 0 reviews	Thanks guys! I figured while I'm at it, I'm gonna add AM white gauge inserts and chrome rings. Might as well ya know.lol I'm gonna have fun with my stang during my break.lol __________________ Build Thread Parts For Sale Mods: 01 Cobra Bumper, GT Rear Bumper, Reverse Glow Gauges, Smoked Headlights, Smoked Fogs, Windstar Upper Intake, 8.8 Rear End, Drilled & Slotted front brakes, to be cont'd...

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December 8th, 2010, 02:06 PM	#2
stephen Hardcore Enthusiast Join Date: Feb 2007 Posts: 1,262 iTrader: 0 reviews	If you remove the upper intake manifold (which is required to replace the heater hoses) you will see where the two heater hoses go. One is 3/4" and the other is 5/8" so they can't be interchanged. The bigger issue is that the whole dash has to be removed in order to replace the heater core.

December 9th, 2010, 06:27 PM	#5
stephen Hardcore Enthusiast Join Date: Feb 2007 Posts: 1,262 iTrader: 0 reviews	I would recommend getting the shop manual for your car before you do this job. I would unbolt the shifter and set it in the back seat with the cable still attached so you don't damage it. In the place where he says the heater box wouldn't come back very far it's because there was still a bolt holding it (look up underneath the box). There is a major connector under the front fender that needs to be released (check the shop manual). Good luck.

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