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Replacing a heater core on a 1969 B-Body #1365208
01/06/13 04:06 PM 01/06/13 04:06 PM
Joined: May 2004
Posts: 117
Cottage Grove, MN
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kurtsdodge Offline OP
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kurtsdodge  Offline OP
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Cottage Grove, MN
Does anyone have any cool tricks to R&R a heater core on a 1969
Dodge Coronet.
Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365209
01/06/13 04:44 PM 01/06/13 04:44 PM
Joined: Aug 2003
Posts: 43,141
Bend,OR USA
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Cab_Burge Offline
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Remove the assembly, remove the retaining clips and replace the core If it is air conditioning car it is harder

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Replacing a heater core on a 1969 B-Body [Re: Cab_Burge] #1365210
01/06/13 05:15 PM 01/06/13 05:15 PM
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Posts: 117
Cottage Grove, MN
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kurtsdodge Offline OP
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Non A/C car. Looks like a great Sunday project.

Thanks
Re: Replacing a heater core on a 1969 B-Body [Re: Cab_Burge] #1365211
01/06/13 05:56 PM 01/06/13 05:56 PM
Joined: Apr 2010
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bethlehem pa
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mikemee1331 Offline
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Quote:

Remove the assembly, remove the retaining clips and replace the core If it is air conditioning car it is harder

that reply is accurate and hysterical rolled into one!

Re: Replacing a heater core on a 1969 B-Body [Re: mikemee1331] #1365212
01/06/13 06:26 PM 01/06/13 06:26 PM
Joined: May 2004
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Cottage Grove, MN
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kurtsdodge Offline OP
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And my comment was far from looking forward to the task at hand
And I will have a

Last edited by kurtsdodge; 01/06/13 06:28 PM.
Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365213
01/06/13 06:41 PM 01/06/13 06:41 PM
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bethlehem pa
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mikemee1331 Offline
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Quote:

And my comment was far from looking forward to the task at hand
And I will have a

HaHaHa!! i too need to break down and do this too. mine doesn't leak but at 40+years, it's a coming!
Re: Replacing a heater core on a 1969 B-Body [Re: mikemee1331] #1365214
01/06/13 06:53 PM 01/06/13 06:53 PM
Joined: Nov 2004
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s.w.fl
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bonefish Offline
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why would you need a heater

Re: Replacing a heater core on a 1969 B-Body [Re: bonefish] #1365215
01/06/13 07:04 PM 01/06/13 07:04 PM
Joined: Apr 2010
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bethlehem pa
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mikemee1331 Offline
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Quote:

why would you need a heater

to keep my Pop-Tarts warm, of course!

Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365216
01/06/13 07:32 PM 01/06/13 07:32 PM
Joined: Dec 2012
Posts: 17
oklahoma
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69suprbee Offline
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oklahoma
I had to replace the heater core on my 69 bee with ac.didnt pull out the whole box.what I can tell you it's just figuring out how it all comes apart and goes back together.not as bad as it sounds.take pictures as you go.david
Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365217
01/06/13 08:20 PM 01/06/13 08:20 PM
Joined: Sep 2003
Posts: 1,688
Marlboro, NY, USA
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Rick_Ehrenberg Offline
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Shove corks into the nipples if the car has carpet and you wanna keep glycol off.

Rick
Re: Replacing a heater core on a 1969 B-Body [Re: Rick_Ehrenberg] #1365218
01/07/13 12:39 AM 01/07/13 12:39 AM
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Bend,OR USA
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Cab_Burge Offline
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Quote:

Shove corks into the nipples if the car has carpet and you wanna keep glycol off.

Rick

I should have added blow the heater core out if it hasn't already leak all the contents out

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Replacing a heater core on a 1969 B-Body [Re: Cab_Burge] #1365219
01/07/13 03:27 AM 01/07/13 03:27 AM
Joined: Jan 2004
Posts: 6,445
Missouri
68KillerBee Offline
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Missouri
Go through all this and then hope that your new one fits. I got one from O'Reilys and the tubes didnt stick far enough through the firewall. Went to local radiator shop and got quoted a ridiculous price for him to lengthen them. I didn't feel like moving them around much and possibly breaking them, so I ordered from year one. Same manufacturer, 2 or 3x more expensive, and it still didn't fit right.

Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365220
01/07/13 03:50 AM 01/07/13 03:50 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
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It's pretty easy to remove the non-AC box.
I believe I got my heater core from Autozone, about 15 years ago. I also picked up some thin foam and weatherstrip adhesive and made/replaced the seals. I think some of the restoration places sell a kit with the door seals and such to rebuild the heater box. It has been awhile, but I don't recall the '69 box having clips (my '71 box did?) I think the '69 box has a metal back that is screwed onto the box.
Re: Replacing a heater core on a 1969 B-Body [Re: 451Mopar] #1365221
01/07/13 04:57 AM 01/07/13 04:57 AM
Joined: Jan 2004
Posts: 6,445
Missouri
68KillerBee Offline
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Quote:

It's pretty easy to remove the non-AC box.
I believe I got my heater core from Autozone, about 15 years ago. I also picked up some thin foam and weatherstrip adhesive and made/replaced the seals. I think some of the restoration places sell a kit with the door seals and such to rebuild the heater box. It has been awhile, but I don't recall the '69 box having clips (my '71 box did?) I think the '69 box has a metal back that is screwed onto the box.



Just lots of screws I believe. Here's a kit if you're feeling ambitious (moparts sponsors site). http://www.detroitmuscletechnologies.com/b-body/
Re: Replacing a heater core on a 1969 B-Body [Re: kurtsdodge] #1365222
01/07/13 11:33 AM 01/07/13 11:33 AM
Joined: May 2003
Posts: 8,430
St Charles MO
70Coronet500Vert Offline
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70Coronet500Vert  Offline
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St Charles MO
I've done 3.

I always order the complete gasket kit from a Moparts sponsor. Always fits.

I always order the cores from Rockauto.

I always have a hand vacuum pump and I check operation of all doors after the rbuild to make sure no glue/gaskets inhibit movement.

Not hard.

No matter how responsible he may seem, never give your gun to a monkey!
1970 Coronet Vert
1972 Charger
1974 Satellite Sebring Plus Sundance
2001 Ram 4x4
2002 Intrepid
2006 300C
Re: Replacing a heater core on a 1969 B-Body [Re: 68KillerBee] #1365223
01/07/13 01:22 PM 01/07/13 01:22 PM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
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Quote:

Go through all this and then hope that your new one fits. I got one from O'Reilys and the tubes didnt stick far enough through the firewall. Went to local radiator shop and got quoted a ridiculous price for him to lengthen them. I didn't feel like moving them around much and possibly breaking them, so I ordered from year one. Same manufacturer, 2 or 3x more expensive, and it still didn't fit right.



I had a similar experience with the heater core for my 68 Coronet, also the aftermarket blower motor didn't fit right... Took the core & the motor back & watched Ebay till an NOS blower motor popped up... On the heater core & bought one through my local radiator shop & when the tubes were to short I took it back & they extended them at no charge...

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Replacing a heater core on a 1969 B-Body [Re: 1_WILD_RT] #1365224
01/09/13 07:21 PM 01/09/13 07:21 PM
Joined: May 2004
Posts: 117
Cottage Grove, MN
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kurtsdodge Offline OP
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Thanks everyone! I started the project on Sunday. I will finish today.
A lot of other pressing things, can't drive the car until March


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