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Author
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Topic: Heater core shot???
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D.R.E
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Member # 10484
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posted
 
 
Hey guys lately it's been getting cold now I have 2.3 notch that's a DD and when I turn it on the heater all it blows is cold air for defrost and front vents.i even let the car get up to 190 degrees and still doesn't get hot is my heater core shot?thanks
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Local 3 Operating Engineers member
1991 titanium frost coupe
1991 x chp coupe
Posts: 505 | From: Vallejo | Registered: Nov 2010
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Marks93
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Member # 11130
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posted
Sounds like it, either that or it's bypassed. Typically, you would smell antifreeze or even have it dump on your passenger carpet if it was still hooked up.
That's one of the first things I had to do with my car when I bought it....something the previous owner failed to tell me! Pain in the ass job.
Posts: 824 | From: Earth | Registered: Jul 2011
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5.0 LsX
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Member # 10017
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posted
is the vaccum line hooked up and not cracked/broken?
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91' Notch
Posts: 1260 | Registered: May 2010
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D.R.E
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Member # 10484
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posted
Yeah it's all hooked up nothing bypassed no smell either so maybe this will be a weekend project ![[Roll Eyes]](rolleyes.gif)
Posts: 505 | From: Vallejo | Registered: Nov 2010
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cemelevu
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Member # 10601
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posted
If you have, or know someone that has, a pressure tester, that would be a quick start to tracing down your problem. Could be an air pocket that is trapped some where.
Posts: 474 | Registered: Jan 2011
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D.R.E
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Member # 10484
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posted
Well I have drained some of the coolant out when I changed the water pump it could have a air pocket
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Local 3 Operating Engineers member
1991 titanium frost coupe
1991 x chp coupe
Posts: 505 | From: Vallejo | Registered: Nov 2010
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Duncan Motors
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Member # 7045
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posted
u have a cracked vac line or its not hooked up right, or your heater switches are not gd . the vents in your dash are not acting right for what ever reason. these parts are the normal reasons for heater failure. gd luck.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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ALMOST STOCK
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Member # 10085
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posted
Have you checked to see if the vacuum line to the check valve is hooked up?
It's a good possibility that blend door isn't working.
Posts: 94 | From: Cameron Park, Calif | Registered: Jun 2010
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NEIGHT
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Member # 8741
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My heater core has been done since I got it but now it's super cold in the mornings. I'll be replacing it as soon as it comes, luckily on my '86 I don't have to pull out the whole dash, at least that's how it shows how to do it on Chilton's book.
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-Savage Habits-
1992 Summer Edition
1986 Hatch- catfish killer
1964 Impala hard top
Posts: 18529 | From: EA$T $IDE REDWOOD CITY | Registered: Nov 2008
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D.R.E
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Member # 10484
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posted
Havnt checked those but yes I'll take a look thanks for the diagram Almost stock
Posts: 505 | From: Vallejo | Registered: Nov 2010
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Stang66
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Member # 10504
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make sure you get the copper one and not the shitty aluminum ones
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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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D.R.E
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Member # 10484
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posted
Ok all vac lines are good so I think it's just shot thanks 66stang ill keep that in mind
Posts: 505 | From: Vallejo | Registered: Nov 2010
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hidnn.o.s.
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Member # 1219
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posted
Get a factory core
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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ALMOST STOCK
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Member # 10085
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posted
quote:
Originally posted by hidnn.o.s.:
Get a factory core
X2... I learned my lesson!
Posts: 94 | From: Cameron Park, Calif | Registered: Jun 2010
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Stang66
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Member # 10504
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posted
quote:
Originally posted by ALMOST STOCK:
quote:
Originally posted by hidnn.o.s.:
Get a factory core
X2... I learned my lesson!
we all have ![[patriot]](graemlins/patriot.gif)
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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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D.R.E
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Member # 10484
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posted
Just curious guys why not the aluminum ones what are try brittle? Or go out quick?
Posts: 505 | From: Vallejo | Registered: Nov 2010
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JON_SVT
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Member # 9621
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Ive had 3 aluminum heater cores go out on me. The copper one from Ford has lasted me a long time. It's worth it!
Posts: 2608 | Registered: Nov 2009
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