Connect

Car Pictures

Shopping

Classifieds

News & Articles

Car Forums

Automotive Links

(Bookmark CarJunky)

	Auto Repair Home	SEARCH POSTS	WHO'S ONLINE	LOG IN

Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   mdma pills for sale : WhatsApp +33758633852 ketamine, 4-MMC, MDPV, methylone, amphet...   Buy Nembutal Oral Solution Pentobarbital.. WhatsApp +33758633852 order nembutal online in Germany (WhatsA...   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...

Search Auto Parts Search Hot air in my blazer when the a/c is on!!! Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum stevhard New User Mar 22, 2009, 6:38 PM Post #1 of 6 (1687 views) Hot air in my blazer when the a/c is on!!! Sign In Hot air comes out of my a/c system even though the a/c is running. I have a 1999 Blazer with climate control. One day I turned on the a/c on and through the vents, the air went from cold to hot then cold to hot and now it is all hot air even if the a/c system is running. I hear a strange coming from somwhere in the dash board. Now when I am driving, I have to shut all the vents to keep from burning up in the vehicle. A/C system is working perfectly with the compressor turning. Please help!!! Tom Greenleaf Ultimate Carjunky / Moderator Mar 22, 2009, 9:23 PM Post #2 of 6 (1685 views) Re: Hot air in my blazer when the a/c is on!!! Sign In Is the compressor itself staying engaged? You'll need to take system pressures and the ambient temp and we can go from there, T stevhard New User Mar 23, 2009, 5:44 AM Post #3 of 6 (1680 views) Re: Hot air in my blazer when the a/c is on!!! Sign In I believe it's a vent issue not the a/c. The compressor is working fine. Tom Greenleaf Ultimate Carjunky / Moderator Mar 23, 2009, 6:19 AM Post #4 of 6 (1678 views) Re: Hot air in my blazer when the a/c is on!!! Sign In It needs pressure taken - both high and low with observations of the ambient temp. Ambient is temp directly in front of the condenser at grille. Compressor may be panting away and you don't know what the heck it's trying to do without the pressures. If compressor cycles on and off it may be normal or abnormal based on the pressure readings. Cycling happens when pressures are too low OR too high. Even a diverter door will show with erratic pressures. If you don't want to take pressures then post infrared thermo temps along the lines from the compressor and all along the lines to and from the evaporator and I can calculate the pressures. System could be freezing up and disallowing air flow, diverter door erratic and would show it. If no condensate is noted under vehicle with any reasonable humidity and higher temps (above 70-80ishF) then there is an issue to address. It's not quite that simple and the pressures are a must to continue or farm it out as that will save you possible expensive problems that could be avoided if timely. T stevhard New User Mar 23, 2009, 6:52 AM Post #5 of 6 (1674 views) Re: Hot air in my blazer when the a/c is on!!! Sign In I will get the pressures and get back with you. jj User Apr 20, 2009, 6:36 PM Post #6 of 6 (1624 views) Re: Hot air in my blazer when the a/c is on!!! Sign In belive u have a door problem from heat to cold some of them u can watch arm move it can pop off just have to find right servo   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

Search this forum this category all forums for All words Any words Whole Phrase (options)

Privacy Sitemap