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Who is John Galt?
Join Date: Jun 2003
Location: Knoxville, TN
Posts: 638
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All hail the automatic heater
I just reconnected the automatic heater, and it is sweet. The PO stripped the connecting rod. I now have comfortable winter driving. Why do so many people rip these out?
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'79 911sc Targa '02 slk230 kompressor '84 Tamiya Falcon A democracy cannot exist as a permanent form of government. It can only exist until the voters discover that they can vote themselves largesse from the public treasury. From that moment on, the majority always votes for the candidates promising the most benefits from the public treasury with the result that a democracy always collapses over loose fiscal policy, always followed by a dictatorship. The average age of the world's greatest civilizations has been 200 years. |
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02-27-2005, 04:40 PM
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Join Date: Oct 2004
Location: Greenville SC
Posts: 137
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Hear, hear for the auto heater........mine works fine and maintains a near perfect temp ......now if i could only get the AC to work as well
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Dan '87 Targa |
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02-27-2005, 05:57 PM
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Join Date: Feb 2002
Location: Asheville, NC
Posts: 1,415
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I agree. I love my auto heat too.
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Gone but not forgotten - 1980 Porsche 911SC w/ -22mm/28mm Torsion Bars | Custom Valved Bilsteins | 22mm/21mm Carrera Sway Bars | Elephant Poly/Bronze Bushings | Carrera Brakes | AJ-USA Brake Cooling | Carrera Oil Cooler w/ Fan | Elephant Strut Brace | Oh, and no ABS or PSM or A/C |
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02-27-2005, 08:06 PM
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Join Date: Aug 2003
Location: Palo Alto, CA
Posts: 159
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Can you guys tell me what you mean by automatic heater.
I have an '83. I pull the red levers in the center to start the fans that force air through the exchangers and into the passanger compartment. This is not what I would call automatic. |
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02-27-2005, 08:12 PM
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Hilbilly Deluxe
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Quote:
Tom |
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02-27-2005, 08:29 PM
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Join Date: Jul 2002
Location: Washington state
Posts: 893
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Some came with a climate control instead of the two red levers, dash levers, etc.
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'80 SC |
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02-27-2005, 08:29 PM
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I too love my auto heat ! .. Don't have a clue why sooo many people have problems with it..
My old 83 SC had manual heat ( two red levers ). Found I had to screw with em constantly... Emcon5, can you post a pic of the sensor between the visors ? My sensor is a vented hole on the dash next to the heater/defrost controls ( actual sensor is in back of the ashtray )
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1987 ROW Carrera Targa, SW chipped 1983 U.S.A. SC coupe ( bro has her now ) |
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02-27-2005, 10:00 PM
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Mine are only the semi-automatic type, but I rarely turn the numbered dial thing. I just pull up the levers. Keeps you surprisingly warm on a cold day with the roof off.
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-Steve '87 Carrera Targa |
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02-27-2005, 10:30 PM
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Join Date: Aug 2002
Location: Galivants Ferry, SC
Posts: 10,550
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Up to 85 the 85 has a "hanging sensor" between the visors in a rubber tube.
For 86 ( I believe) and later...the sensor is located in the dash and it draws-in air via a small fan, even.....( complicated Germans !!!)... Wil
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Wil Ferch 85 Carrera ( gone, but not forgotten ) |
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02-28-2005, 05:53 AM
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Used Up User
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 The components of Autoheat for 1987. Slight error- there is only one heat echanger sensor. Go to link below for final. Edit: See Components
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'87 Carrera Cab ----- “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” A. Einstein ----- Last edited by imcarthur; 03-09-2005 at 02:54 PM.. |
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02-28-2005, 06:17 AM
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Registered
Join Date: Oct 2004
Location: Greenville SC
Posts: 137
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Ian,
Excellent work! Now to truly make it complete one would add the AC controls, blowers, and vents to the picture. Incidentally, my autoheat is perfect if i keep the AC thermo at the "III" position, the AC fan at the "II" position and then control the heat using the autoheat number dial (setting 3 for temps in the 40s; setting 4 for temps in the 30s)
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Dan '87 Targa |
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02-28-2005, 06:26 AM
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Used Up User
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Quote:
The companion diagram for Autoheat: Edit: Image deleted - see page 2 of this thread I am trying to develop a FAQ/troubleshooting thingie for Autoheat. Hence the pics. Ian
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'87 Carrera Cab ----- “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” A. Einstein ----- Last edited by imcarthur; 03-09-2005 at 02:49 PM.. |
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02-28-2005, 06:39 AM
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Hilbilly Deluxe
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Quote:
 It it just a short rubber tube. Tom |
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02-28-2005, 06:45 AM
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emcon5,
Thanks !.. Learn something new every day ... Looks like SCs autoheat is very different to post 86 autoheat.. imcarthur, Great pic. Couple of things tho.. The pic is for 1987 and newer 911s.. and According to my owners manual, *if* the car has AC, the large center dash vent is for AC only ( and so NOT fresh air ), and there would be 'extra' AC vents under the dash. As I understand it, you control which vents supply AC by opening or closing the vents with the up/down knurled knobs.. ( one cannot close the extra footwell vents tho ) Great job explaining the levers tho
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1987 ROW Carrera Targa, SW chipped 1983 U.S.A. SC coupe ( bro has her now ) |
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02-28-2005, 11:32 AM
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Join Date: Jan 2004
Location: Pittsford, NY
Posts: 3,701
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question on console heater switch. My 86 has a three spped fan switch, however, speeds one and two don't work. Any troubleshooting suggestions?
Thanks.
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Tony G 2000 Boxster S |
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02-28-2005, 11:44 AM
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Former Options Trader !!!
Join Date: Feb 2003
Location: Bucks County PA
Posts: 6,756
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okay call me a fool I have both that auto heat dial and the red levers. Just lucky?
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Current:88 Guards Red Coupe, 89 Coupe Track Rat, 76 Caddy Eldo Convert. 2015 Aprilia Tuono Wrecked 1987 Targa Guards Red, 2003 Ducati ST4S Sold 1987 Granite Green Targa, 993's, 93 RSA, other 964 coupes, 89 911 Turbo Ruf mods, 90 e30 M3, 07 BMW R1200S STOLEN 94 Speedster |
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02-28-2005, 12:12 PM
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trader220,
You Fool  Post a pic please.. Do you know what the levers do ? How many numbers are there on the autohead dial ?
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1987 ROW Carrera Targa, SW chipped 1983 U.S.A. SC coupe ( bro has her now ) |
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02-28-2005, 12:27 PM
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Quote:
How's this? Edit: Image deleted - see page 2 of this thread Ian
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'87 Carrera Cab ----- “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” A. Einstein ----- Last edited by imcarthur; 03-09-2005 at 02:49 PM.. |
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02-28-2005, 12:28 PM
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Registered
Join Date: Oct 2004
Location: Greenville SC
Posts: 137
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Ian,
Actually there are two different sets of air sources under the dash in the foot well: one set is for Air conditioning (it is one source with a little diverter device that splits the air flow left and right - attached to the foot wall ) and another set located up under the dash that is a fresh/hot air source. Also the dash vent directly above the radio is air conditioned only. In further refining of your definitive guide perhaps you could use red for hot air, white for fresh air and blue for chilled/conditioned air. just a suggestion
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Dan '87 Targa |
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02-28-2005, 12:42 PM
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Used Up User
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Dan
I'm ignoring AC for this. It gets far too confusing when you include ac, fresh & heat to the diagrams - even though they are intertwined. Here's where I've started it Link. Suggestions are very welcome. Ian
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'87 Carrera Cab ----- “Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.” A. Einstein ----- |
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02-28-2005, 12:50 PM
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1982 Porsche 911SC Coupe 3.2
1987 Porsche Targa 3.2 ROW
1987 Porsche 911 Carrera Cabriolet 3.2
