Climate Control Problems (Air Conditioning, Heat) - All Cars

791 messages, Last post on Aug 12, 2009 at 12:55 PM

You are in the Maintenance & Repair Forum. Your Host is mr_shiftright

What is this discussion about? Heating / Cooling

Outline

Messages Page 7 of 79: 1; ...; 4; 5; 6; 7; 8; 9; 10; ...; 79; Prev; Next; Last

#61 of 791 Everyone..... by burdawg Jul 18, 2003 (5:59 am)
I just read through most of these posts and can see that there is a lot of confusion regarding the legal use of R12 and R134 freon. First off, at least in the US, it's not illegal to top off a leaking R12 system except in some defined areas. It's legal for anyone with an EPA Section 609 certification to buy and use R12 freon, until the stocks are depleted (which looks like it won't happen for a long time now). I encourage you to go to: "http://www.imaca.org/index.htm" and download the study guide to become familiar with the EPA regulations concerning the use of R12 and R134. Then, if you want to you can spend the $15 and take the test to get certified. I did it some time ago. It made my wife happy since she had always claimed I was certifiable.
#62 of 791 buying the equipment necessary to meet EPA shop standards is more expensive by swschrad Jul 18, 2003 (11:09 am)
you're in for doubling your setup cost, or more. all fluorocarbon refrigerant has to be recaptured, you can't vent even a sniff, and most of the material out there is recycled, since we can't import from china. so it's not like you mail in a check and then blow the gas out of your DeSoto and use the pipe wrenches on the air conditioner.
#63 of 791 Climate Control when outside temp. <80 degrees doesn't work by bongotoo Jul 30, 2003 (6:01 pm)
My AC will blow cold air if the temperature reads 79 degrees or below. When it is hotter than 80 degrees, the dang thing blows hot air most of the time. Is it possible the problem could be in the thermostat control in the climate control system? The system still cycles hot and cold. But when it is below 79 degrees, it is cold most of the time. Above 80 degrees, it blow hot air most of the time. HELP!!! ?
#64 of 791 Retrofitting A/C by C13 Aug 02, 2003 (7:32 pm)
to an older vehicle - maybe even one that never offered it when new (so no OEM parts exist). Is it just totally preposterous? Are there units made for this purpose or would you have to find a mechanic who's willing to adapt existing parts, fabricate parts, etc? Could you drive the pump off an electric motor instead of the engine?
#65 of 791 by Mr_Shiftright HOST Aug 02, 2003 (8:52 pm)
C13--there are a number of companies that offer retro-fit kits, but mostly for American engines. It's a good business for hot rods and retro-rods. And sure, you can take all the components out of a wrecking yard and install them into a car that never had a/c, (I helped a friend do this on a Nissan Pathfinder) but that has to be ascertained on a case by case basis. On newer cars it's probably a "bolt-in" but on older cars it could be a hassle trying to retrofit from a wrecking yard. The "vintage air" people do all the engineering for you and sell you a complete kit.
#66 of 791 I was at a car show today...... by andys120 Aug 03, 2003 (3:05 pm)
and was astounded to note that many of the street rods present had a/c fitted. They all were fitted with the same rig which allowed the a/c compressor and alternator to be driven off the same serpentine belt that ran off the fan pulley. In each case the whole setup was fully chromed and appeared top be a more or less bolt-on set-up.
#67 of 791 by Mr_Shiftright HOST Aug 03, 2003 (7:04 pm)
Yeah, it's slick and it works and it isn't all that 'spensive.
#68 of 791 Engine roars when A/C on, 2003 Ford F-150 by penicillin Aug 12, 2003 (9:31 pm)
My 2003 Ford F-150 XL Sport, 5-spd manual trans, when the A/C is on I hear a roar when starting in 1st gear and shifting to 2nd, especially after idling at a light or when the engine is cold. The roar is loud and very noticeable, and subsides when shifting to 3rd. Is this normal? The dealership said this is normal, but the truck is still under warranty and I want to make sure they just aren't trying to escape fixing it. The A/C works fine otherwise; actually it works very well. Thanks everyone.
#69 of 791 it is probably by nippononly Aug 13, 2003 (6:55 am)
an engine compartment fan that is either triggered automatically by turning the A/C on, or comes on more with the A/C running because it makes the engine work harder and therefore more engine cooling is needed. Once you are moving, there is more air crossing the radiatior from movement, and the water is circulating faster through the engine.
#70 of 791 Can I get some help? by andys120 Aug 19, 2003 (6:42 am)
A woman friend is having trouble with the a/c in her Avalon. It's the last year of the first gen Avalons, a '99 or '00 I think. Last year a rumbling noise developed in her a/c system. The dealer diagnosed it as something in the vent system or blower motor. They took three tries at fixing it which involved taking the dash apart. They found what appeared to be parts of a chipmunk in the blower motor and cleaned the mess out under warranty and gave it back with the car working fine. Flash forward to this year and after being parked at church for an hour the car stats making similar noises and the a/c doesn't blow air. 1)Could it be they didn't get all the chipmunk junk out last year? 2) She's out of warranty, does she go back to the dealer? 3)How does this critter(s) get in there anyhow? I was once told to keep a small bag of mothballs under the hood if you live in the country. Any ideas?

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