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Search Auto Parts Search 2002 Audi A4 quatro, no heat Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> AC Auto Repair Help Forum kmalast New User Nov 3, 2013, 8:30 PM Post #1 of 3 (3421 views) 2002 Audi A4 quatro, no heat Sign In checked to make sure blower works Hammer Time Ultimate Carjunky / Moderator Nov 4, 2013, 3:30 AM Post #2 of 3 (3405 views) Re: 2002 Audi A4 quatro, no heat Sign In  With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If not too hot to hold, then you have to look at the actual engine temp and if that is up, if it is, then your looking at a restricted heater core. If you find that they are both too hot to hold, then the heat in that vehicle is controlled by a blend door that regulates heated air flow. it is operated by an electric motor/actuator. The problem can be that the actuator is stripped or inoperative or the door itself could be damaged. This is what needs to be determined by examining the actuator and see if it is responding to heat change commands or not. If they are both not too hot to hold on to, then you either have a restricted heater core or the system is not completely full and getting air pockets for some reason. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. karenlucy New User Nov 6, 2013, 5:29 AM Post #3 of 3 (3373 views) Re: 2002 Audi A4 quatro, no heat Sign In Refilling a system can be a real challenge. Many will not burp out air pockets left unseen. Check again the levels and protection for a few cold to warmed up cycles to know that all is well. When in doubt or a difficult one get help in getting it right. Use products specifically recommended by vehicle's manufacturer. pmp exam questions [url=http://www.pass4sure.com/PMP-index.html]pmp exam questions cert killer [url=http://www.certkiller.com/]http://certkiller.com eleather jackets [url=http://www.eleatherjackets.co.uk]e leather jackets motorcycle jackets [url=http://www.ileatherwear.com]motorcycle jackets   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

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