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01-22-2018, 08:36 PM | #1 |
Registered User
Join Date: Apr 2009
Location: Idaho
Posts: 3
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1989 suburban rear heat/ a/c
Was cruising my 89 suburban tonight and could smell antifreeze. My kid in the back said it was dripping from the roof in the rear. So we headed home,and I took the cover off in the rear. My heater core is no good, so figured it was time for a new one.
Here comes my problem. My rear heat and a/c share the same core. It looks just like the a/c evaporator. But has coolant lines running to it also. And I can't seem to find one anywhere. Is this a aftermarket deal? Any help on finding one is appreciated. |
01-23-2018, 05:44 PM | #2 |
Registered User
Join Date: Oct 2014
Location: Scottsdale, AZ
Posts: 465
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Re: 1989 suburban rear heat/ a/c
Pictures would help a ton...
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01-23-2018, 06:11 PM | #3 |
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Join Date: May 2012
Location: Colo Springs, CO
Posts: 870
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Re: 1989 suburban rear heat/ a/c
I guess I thought only the AC lines ran above. The factory heater (rare option), was mounted on the floor in a separate box. The coolant lines for that heater ran underneath the truck.
But if they are smelling coolant, that seems to point towards a heater.....
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- Jeff 89' K5 Blazer, 2.5" lift, 35" tires 04' GMC Yukon XL, 3/4 ton, 8.1L |
01-23-2018, 11:07 PM | #4 |
Registered User
Join Date: Apr 2009
Location: Idaho
Posts: 3
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Re: 1989 suburban rear heat/ a/c
Sorry, no pics. I took it out and had a radiator shop fix it. And put it back together already. But it is a a/c evaporator and heater core all in one. Wasn't sure if this was factory or a after thought kind of deal.
But thanks for trying to help |
01-24-2018, 06:54 PM | #5 |
Registered User
Join Date: Oct 2014
Location: Scottsdale, AZ
Posts: 465
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Re: 1989 suburban rear heat/ a/c
Agreed. I don't think that was on OEM unit..
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