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  #1 (permalink)  
Old 01 Dec 2014, 04:23 pm
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Unhappy Heater

OK, so is it just my 2003 that has poor heating, or is this a challenge for everyone? When it gets below 32 my heater just doesn't get hot. It is like a warm breath. Seems to be a bit better when I close off the outside fresh air switch..........

Freezing in Eastern Oregon
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Old 01 Dec 2014, 05:33 pm
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Default Re: Heater

My heater did that in another vehicle I had. It sounds to me like the heater core may be getting blocked up. What I did was a reverse flush. Meaning I used my water hose and sprayed water in the out port of the core. Not saying it is going to work but that is what it sounds like to me. Also check your temp gauge is it running at normal temps or is it running low?
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Old 01 Dec 2014, 06:09 pm
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Default Re: Heater

Quote:
Originally Posted by 05purplept View Post
My heater did that in another vehicle I had. It sounds to me like the heater core may be getting blocked up. What I did was a reverse flush. Meaning I used my water hose and sprayed water in the out port of the core. Not saying it is going to work but that is what it sounds like to me. Also check your temp gauge is it running at normal temps or is it running low?
Yep, if so you might need to replace the t stat.
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Old 01 Dec 2014, 06:10 pm
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Default Re: Heater

for starters replace the thermostat. be sure to bleed the air out of the system when adding antifreeze afterwards.

edit: what busted said.
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Old 01 Dec 2014, 06:14 pm
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Default Re: Heater

Quote:
Originally Posted by soyomb View Post
for starters replace the thermostat. be sure to bleed the air out of the system when adding antifreeze afterwards.

edit: what busted said.
We were posting at the same time lol.
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Old 01 Dec 2014, 06:39 pm
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Default Re: Heater

Quote:
Originally Posted by Scot View Post
OK, so is it just my 2003 that has poor heating, or is this a challenge for everyone? ....
Freezing in Eastern Oregon
As I find my western Oregon PT putting out copious quantities of quality heated air, I am going to suggest a maladjusted (possibly unclipped) cable from the dash temperature control knob to the temperature blend-air door in the heater box.

The PT climate-control adjusts heat by varying the amount of air that passes through the heater core. The temperature knob moves a cable that swings the heater blend-air door between 'no air' and 'all air' by-passing the heater core (or passing through if you prefer).
The PT does not have a water flow control heater system.

Remove the center dash fascia and check the cables at the the control panel.
To adjust the cable (locking clip needs to be removed)
Assure the end of cable is hooked to the instrument panel temperature control lever.
Turn the temperature knob completely counterclockwise.
While holding the knob in the counterclockwise position, pull on the gray casing of the temperature cable. This will take up any free play in the cable
and index the temperature door to the temperature knob.
Then snap the cable hold-down clip into position.
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Old 01 Dec 2014, 08:54 pm
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Default Re: Heater

Quote:
Originally Posted by Scot View Post
OK, so is it just my 2003 that has poor heating, or is this a challenge for everyone?
NOT a challenge for everyone.
In winters past, when temp gauge reached mid-mark, I'd have plenty of heat and only needed fan if temp was in teens or below.
Follow advice of other posters above.
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Old 01 Dec 2014, 08:58 pm
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Cool Re: Heater

My 2005 turbo vastly out heats the 2006 na!
But, the a/cs are the opposite.
2005,not so good.
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Old 04 Dec 2014, 12:48 pm
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Default Re: Heater

Quote:
Originally Posted by Scot View Post
OK, so is it just my 2003 that has poor heating, or is this a challenge for everyone? When it gets below 32 my heater just doesn't get hot. It is like a warm breath. Seems to be a bit better when I close off the outside fresh air switch..........

Freezing in Eastern Oregon
Has your cooling system been maintained? Perhaps your heater core is clogged?


Check by getting engine up to temp, turn on heater to the dash vents full bore, and feel both hoses going to and from the heater, look at hoses at firewall. If one is really hot and the other luke warm, you are not getting much flow thru the heater core.


It is really critical in these cars to perform coolant services, I do a drain and refill on all my cars every couple years, keeps the cooling systems nice and happy.

If you have adequate flow thru the heater core, then perhaps the blend doors arent functioning and time to look at the controls.
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