audi a4 heater matrix blocked

How to Replace a Toyota Previa Alternator→, How to Replace the PCV Valve on a Ford Focus→, How to Change the Heater Core in a Chevy Blazer→, How Do I Troubleshoot Karcher Pressure Washer Surging?→. In really cold or raining conditions, all my windows steam up very quickly. The thermostat seems to be working and there seems to be coolant circulating through the system. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. I got it to give me heat when i drive, but when I idle I have no heat. flush through the matrix with the hose on and you should see lots of dirt coming out, once the water starts coming out clean, then switch the hoses around and flush it going the opposite way with water until it runs clean. The heater matrix attaches to the engine through two heater hoses. Audi A4 blowing only lukewarm air via climate control. Hi there ..I had this problem on my a4 2.0 TDI..on mine there was an air lock in my matrix radiator..to cure this I run the car and got warm then find the 2 rubber hoses that go into the car for the matrix..mine are dead centre under bonnet at back to left of battery..anyway undo the clip and pull it back ..then if you look on the rubber hose there is a small like pin hole in it around an inch back on the rubber hose ...gently pull back the rubber hose until the pin hole is clear of the metal pipe and air will hiss out ( I left my engine running).. In this way it can provide heat to the driver and passengers during cold weather. :dunno: Any experience or have any of you put one in and had any problems? Low coolant level? Cheers _____ B7 A4 Avant 2.0Tdi Quattro. The heater blowing cold air can be caused by two different types of problems. How big a job is it on a non air-con version to change? A blocked heater matrix may cause the heater and defroster to stop working or to work inefficiently. Could the heater matrix be slightly blocked and only when the pressure builds up when driving it forces the heat through. Replaced thermostat,sensor and only this week I decided to check the pump. Replace your heater hoses today and keep your car's interior nice and warm. Had the thermostat replaced on my 2005 1.9TDI (manual) a week ago, then 3 days ago, having driven 6+ hours, the aircon stopped blowing out hot air. Hi, I've got a problem with my Audi A4 TDI Sport PS130 eng, 51 plate, about a week ago the heater has stopped getting hot only warm. Have an audi 2004 A4 1.8 quattro; has only heat when motor is above 1400 rpm, have installed new waterpump, flushed heater core ( flows good both ways), drain coolant and … Audi A4 B8 Heater Matrix Connecting Pipes 8K1819350AL (Fits: Audi A4) I flushed the heater matrix and got a load of rusty gunk coming through. If the coolant is ok then the problem is with the hvac system. B5 A4 1.8T Sport. The price for a new heater core from my local Audi dealer is 400$. Got in my car today all is well however, i cannot warm up the inside of the car. Or it could be a coolant leak, Edited by flatsix3.6 on Sunday 9th February 14:25. The first telltale sign that you're experiencing problems in your vehicle's heating system is the absence of heat coming from the heat registers. A defective valve may also block the flow of coolant through the heater matrix. They took it back and changed the water pump and the issue was resolved. I replaced the matrix on my B6. The engine isn't overheating, so the water pump should be ok, no? Anonymous. This flow may push the sediment out of the matrix removing the blockage. Click & Collect. Sounds a lot like a Water pump or thermostat to me. It was fine but when I was in there I fitted new genuine timing belt kit including pump. Tags: technical issues heater. Could be but unlikely, check the coolant level, air locks tend to eventually end up in the tank. After the head gasket finally sprung a leak,I had the hg replaced,and the mechanic reconnected the core,saying it seemed fine. Its just the heater fan that won't work. Engine coolant may contain debris from corrosion of metal components or deteriorating gaskets and hoses. Jay Motes is a writer who sold his first article in 1998. This debris may clog the small openings in the heater matrix. ... but a much bigger job if the matrix behind the dash is the fault. One hose carries hot engine coolant to the matrix while the other returns the coolant to the engine. By removing each hose from the engine and flushing water into the outlet hose, water flows backward through the matrix. Audi a4 b7 model i changed water pump thermostat cleaned out heater matrix. Help With Replacing the Radiator on a Ford Focus. The the heat will work as normal all day until I drive it hard and temp needle will start heading past 90' very quickly. Using this post as a guide, I went to Home Depot and bought 10′ of 3/4″ id tubing to make my life easier. Register or Log In now! I am not really sure of where to begin. The heater blew hot after that. An air conditioning system, using several components, includes a compressor to pressurize a chemical called freon, and drastically lower its temperature. Max Headroom. As I later discovered, 7/8″ would have been much easier to work with. The Sealey VS352 Hose removal tool was a godsend. I had a similar issue on my 01 A4. Still no hot air only when i rev it. Golf 2013 no heat inside, blocked heater matrix, any ideas. check the hight of the heater matrix in the cab , if its higher than the filler/expansion tank. Will maybe focus on thermostat for the next attempt, thanks! ... Heater issue A4. B6 A4 Heater Core DIY Guest-only advertisement. Answer Save. Everything else works fine, temp and such, heater core is not blocked. Free postage. £18.00. Having same issue with my A4 B6 1.9tdi. I was told by Glenmore Audi that they never put block heaters in the 1.8 as it may crack the oil pan. ... AUDI A4 B6 B7 HEATER FLAP ACTUATOR MOTOR 0 132 801 306 8E2820511A Bosch. HVAC Heater Hoses and Pipes Audi A4, A4 Quattro, S4 (1996-2002) HVAC Heater Hoses and Pipes. My 2006 Audi 1.9 tdi heating system is only blowing very mild warm air if warm at all. or Best Offer. You have to take out the whole dash, disconnect the cross member, disconnect the heater box from the bulkhead (including degassing the air con) and then pull the heater box back fr enough from under the bulkhead cross member to allow the matrix to be drawn out of the box. i've so far clocked up 8 hours on this (including headscratching time) thermostat checked and changed, water pump checked and changed, heater matrix flushed and reverse flushed. HEATER MATRIX TO FIT AUDI A4 2000 TO 2008 AUDI RS4 AUDI S4 SEAT EXEO (Fits: Audi A4) £29.50. I'v tried over and over to bleed the system, by running the car at 3k, and opening the bleeder hole at the heater core. Search My Stuff. Clean Bars and Stop a Leak Out of a Cooling System, Change the Thermostat on a Chevrolet Cavalier. I need to pick your brains. Yes, my A4 has got climate control, but the LCD control display still works perfectly fine. The matrix has been flushed, coolant seems to be moving ok. Stuck control valve? 5 years ago. Favourite answer. Motes has written for numerous print and online publications including "The Dollar Stretcher" and "WV Sportsman." I bleeded ok from engine then heater matrix still no hot air any help plz dirty car image by Alexey Klementiev from Fotolia.com. Home Topics Motoring & Transport Motors DIY Car Maintenance & Repair Audi A4 heater problems Notices Welcome to Boards.ie; here are some tips and tricks to help you get started. Check if the input and the output pipe to the matrix going through the bulk head are equally hot. 1999 Audi A4 heater core replacement Part 1. THEN ITS AN AIR LOCK, LOOK FOR THE HIGHEST PIPE AND SEE IF THERE IS A BLEED VALVE, IF NOT TAKE BOTH PIPES OFF THE MATRIX FEEDS AND FLUSH OUT TO SEE IF IT IS BLOCKED, AND RECONNECT LOWEST PIPE FIRST AND FILL SYSTYM TILL WATER APPEAR FROM TOP AND … He holds a Bachelor of Arts with a double major in history and political science form Fairmont State College in Fairmont, W.V. So I changed my coolant, waterpump, timing belt etc., and now its time to bleed the system. Blocked heater matrix? My Profile My Preferences My Mates. The heater matrix attaches to the engine through two heater hoses. I've also noticed that after a drive the coolant level will have went down in reservoir and if I open cap there's there's a sucking pressure and coolant returns to maximum level, Audi a4 b7 model i changed water pump thermostat cleaned out heater matrix. The location and operation of the valve will vary from model to model. ... Might be a blocked heater matrix. However, valves are most often on the inlet heater hose and operate by vacuum pressure or cable. Looking for a garage you can trust? TIA Engine coolant may contain debris from corrosion of metal components or deteriorating gaskets and hoses. I have an '02 A4 1.8. Heating Hot Air - posted in A4 (B6) 2001 - 2004: Hi guys. Hot engine coolant flowing through the matrix is used to warm air for the heater and defroster. Someone siad this is a common VW/Audi fault and to do with the heater matrix. £3.95 postage. i have a 1996 audi a4 heater is blowing cold air wot cud it b? the heater in my car is blowing but simply cold air only....only started a couple of days ago and if im honest dont know a fat lot about cars would be grateful if someone could explain....in simple terms. Lv 6. Is the temp gauge getting up to 88/90 C if so them this may be a flap control motor fialor or the car compartment sensor U/S and telling the heater the car is hot enough. K-seal and other stop leaks have been known to clog up the matrix. My mechanic tried a load of things, bleeding the system, checking for air locks etc. A heater control valve controls the flow of engine coolant through the matrix on some vehicles. A heater control valve controls the flow of engine coolant through the matrix on some vehicles. This is done by removing the top hose from the radiator and placing a garden hose into the engine water outlet, and then run the hose … Just noticed that my Audi (53 plate A4) has developed a heating problem. If you undo the pipes that go into the matrix ( by battery) and attached sum hose to either end and use one end to go into a waste bucket and attach a hosepipe to the other end. Have any of you Audi fellas had a block heater in you car. The dash doesn't have to come out, although access was a bit tight in places. Audi said it was the heater matrix, almost £700 to replace, gave it back to me and it was still blowing out cold air!!! Looks like an easy fix too. Please do at your own risk and be careful ..1 ..the metal pipes from the matrix radiator are soft aluminium and damage easy when trying to remove rubber hose and are usually very tight 2.. Be careful of hot water ...this worked for me after changing thermostat and temp sensor and still cold blowers :-) p.s the top was the only one I undid and was the tlreturn to engine ..hope this helps everyone ...I have heard stories of head cracked ..water pump gone etc.... All along was an airlock stopping hot air circulating for heating .. Hi thanks for the info ref Audi A4heater blowing cold air only, I was told could be the water pump,but I had them follow your instructions first ref air block in the system and it worked,the Heater now works as it should much appreciated. Heaven at 6:30 am! I have a 2005 A4 Avant B7 and only blows cool/tepid air when on high setting, this started today. Tighten up the clip again !.. Have these been checked? Is this a Haynes Manual 'a bit tight' or just merely awkward? hutacars. Heater problem 1997 Audi A4 6 cyl All Wheel Drive Manual 130k miles There is very little heat coming out of the dash vents as well as the defrost vents. My 87 Toyota pickup was exhibiting signs of a blocked heater core, so I bypassed it to finish my cross country trip home.

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