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Old 01-06-2015, 06:56 PM   #1
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Heat not so hot

Hi i have a 1999 Boxster and it seems to take forever to get heat and it's not really very hot.Temp is 180 or so but it justs seems warm...Is this normal?

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Old 01-06-2015, 09:11 PM   #2
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I'd suspect that the heater core is getting clogged.
I didn't see a DIY for the Boxster, but here's an Audi/VW DIY:
Audi A4 1.8T Volkswagen Heater Core Flush | Golf, Jetta, Passat & Beetle | Pelican Parts DIY Maintenance Article
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Old 01-07-2015, 02:52 AM   #3
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I have a new heater core, and lousy heat - I know the foam in the heater box is gone and I suspect that there is plenty of unwanted mixing in the heater box. Another massive project to fix that, but that's what gives an old boxster character!
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Old 01-07-2015, 03:08 AM   #4
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Cabin Air Filter. Pull that then check.

Maybe climate controller?
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Old 01-07-2015, 04:50 AM   #5
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Thanks guys my Saab 9-5 was kinda doing the same thing a good flush was all it took.i will check the filter too.
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Old 01-07-2015, 04:52 AM   #6
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As you adjust the temp from low to high, does the temp change at all? There is an armiture on the underside of the heater box that controls the temp. This can pop out of its fitting, resulting in the temp being stuck at just one setting. Fixing it is as simple as popping it back into place. If you remove the cover under the passenger side dash, look up at the heater box right behind the center console. The armiture is blue.
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Old 01-07-2015, 07:02 AM   #7
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Pardon my ignorance, but what's an armiture, and what does it look like?
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Old 01-07-2015, 03:08 PM   #8
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Quote:
Originally Posted by j.fro View Post
As you adjust the temp from low to high, does the temp change at all? There is an armiture on the underside of the heater box that controls the temp. This can pop out of its fitting, resulting in the temp being stuck at just one setting. Fixing it is as simple as popping it back into place. If you remove the cover under the passenger side dash, look up at the heater box right behind the center console. The armiture is blue.
That i'm not sure thanks i will check!
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Old 01-08-2015, 05:07 AM   #9
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Pardon my ignorance, but what's an armiture, and what does it look like?
I have not see the one mentioned but it's a small arm that moves a flap or vent from another motor. Like an arm for a motor. This one will connect the heater's air temp flap to the motor or servo that moves it on demand from the climate controller.
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Old 01-08-2015, 12:24 PM   #10
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Originally Posted by todds99 View Post
Hi i have a 1999 Boxster and it seems to take forever to get heat and it's not really very hot.Temp is 180 or so but it justs seems warm...Is this normal?
That repair guide worked for me

986 Heater Flap Repair Boxster foam
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Old 01-08-2015, 06:06 PM   #11
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Hi i have a 1999 Boxster
That is a Nice Car..!
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Old 01-09-2015, 01:20 AM   #12
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One-Beautiful car!
Two-We have had wind chills in the negatives here recently, and with 30+ MPH winds. I'm still having to keep the CC turned down to about 70 or else they'll burn me out of there! So insufficient heat is definitely not normal.
I'd guess either blocked heater core or issues with the CC unit. My Jeep recently had virtually no heat at all even though engine was running at temp. A good core flush fixed it right up.
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Old 01-09-2015, 07:00 AM   #13
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I think it is the foam on the blend door.

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