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Pontiac Grand Am Heating/Cooling

88 messages,  Last post on Jun 21, 2009 at 3:57 PM

You are in the Pontiac Grand Am Forum. Your Hosts are pat & karens

What is this discussion about? Pontiac Grand Am, Heating / Cooling, Sedan


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#44 of 88
Heater core problem by buster123
May 31, 2007 (3:09 pm)
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Hello, Anyone out there??? I have a 1996 Pontiac Grand AM And the heater core is leaking. When I put water in it It's just pores out, Plus when I start driving it the windows start too fog up. Looks like steam is coming in through my vents. Can I bypass this problem long enough to drive the car or what?? Any suggestions would be helpfull.. Thanks.
 
Jim J.
#45 of 88
Re: Heater core problem [buster123] by burdawg
May 31, 2007 (7:57 pm)
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Replying to: buster123 (May 31, 2007 3:09 pm)

Yes. Connect a bypass hose to the connections on the engine.
#46 of 88
Re: a/c problem [duran209] by meljj3
Jun 27, 2007 (3:17 pm)
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Replying to: duran209 (May 16, 2007 11:51 am)

If it's not your thermostat you may want to see if it is the A/C control panel. Mine has gone out on my 2000 Grand AM. The heat blows cold and the a/c blows hot but only sometimes. Usually if you keep turning it off and then back on it will start working again.
#47 of 88
AC problems by tfink12
Jul 05, 2007 (12:49 am)
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I'm having A/C problems. About 3 weeks ago I changed the switch from defrost to max a/c. When I did that, the air now does not come out full force out of the vents, and it now comes out through my floor vents. I took it to pontiac and told them about it, but they told me it's "normal for a/c to blow out the floor on max a/c." They are full of crap and I'm wondering if anyone knows how to fix this problem so I can sell this pontiac piece of junk!!
#48 of 88
Air Conditioner by debt
Aug 28, 2007 (10:30 am)
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My 1999 Grand Am SE air conditioning does not cool like it should. I have put coolant in several times and it will remedy the problem for a while but soon returns to warm air. On these very hot days, it feels like all I'm getting is warm air. Finally after it has ran a few minutes you start to feel a little cool air. Does anybody have this problem? I keep it set on Max. It seems to cool better on fan speeds 1 and 2. Anything higher, it is like a fan blowing hot air.
#49 of 88
Re: Air Conditioner [debt] by burdawg
Aug 28, 2007 (8:49 pm)
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Replying to: debt (Aug 28, 2007 10:30 am)

You have a leak somewhere in the system if you keep having to put freon in. The only solution if that's the case is find and repair the leak.
#50 of 88
Re: Intake Valve replacement [nodding2003] by smquebec
Oct 09, 2007 (1:32 pm)
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Replying to: nodding2003 (Jan 04, 2007 5:56 am)

I had the same problem! The Antifreeze leaking is very possible that it came from the intake valve. What they (Good mechanic) did to mine was put what they refer to as "Tablets" in the Antifreeze coolant. This is an anti-leak temp fix. Since then I have not had any problems with it. This had been done about 30K miles ago and I now have 139K on the car.
 
If you brought this to any trustable garage and they "Cleaned out the sludge" then they didn't know what they were doing. If there is slug in the Engine more often then not, if cleaned out will pose more problems then if left in. This is what my Mechanic told me and I did some research and found out to be mostly true. There are times where they can clean this out but they have to also do other replacements of certain parts as well. Hope this helps!
#51 of 88
Certain AC Settings not working. by jables1
Jan 14, 2008 (9:21 am)
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Replying to: smquebec (Oct 09, 2007 1:32 pm)

Hey all, brand new here and I'm pretty desperate for answers. I have a 2000 Pontiac Grand AM SE and my AC is acting up on me. About 3-4 months ago, the AC stopped working all together on settings of 2 or lower. It's slowly gotten worse as it now only works on a setting of 5. Just curious if anyone knows what might be the cause and how much it might be to fix it.
 
Thanks!
#52 of 88
Re: Certain AC Settings not working. [jables1] by burdawg
Jan 15, 2008 (7:05 am)
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Replying to: jables1 (Jan 14, 2008 9:21 am)

Most likely the blower motor resistor is going bad. Search in this forum and the Olds Alero forum for it, it's been discussed many times in the past.
#53 of 88
2002 grand am heating problem by bran320
Jan 16, 2008 (12:01 pm)
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i have a 2002 grand am my heat does not work at all in the mornings. in the afternoon it works some but only when going fast. if anyone can help please help me. htank you

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