Clean Heater Core With Vinegar



Its the acidity and corrosiveness of the salt and vinegar together that you want. Are you sure it’s a clogged heater core? You’ve eliminated all other possibilities and have verified that the flow through the core is low? Some of the easier problems would be; coolant is not getting hot enough, blend door is not moving all the way over to the hot position, diverter (if equipped) is not operating properly, etc. Step 4: Use a clean cloth to wipe the kettle inside out. In most cases, replacing a heater core is a job best left to the professionals. We are experienced providers that have been offering high quality courses at low prices throughout Alberta since 2009. Vinegar works well. Because ovens come in several types, you choose the best cleaning method for your oven based on its type. --Ran for a week or two with water and a gallon of vinegar- mild acid, safer and less risky to use than muriatic acid which had been suggested to me. But the starting step is to remove the glove box and under cover. Seen a guy use in his truck and water come out brown after he flushed with just water and then poured in 2 gals and run 100 miles, he has no filter, said no flush done in over a yr. This way coolant loss was minimal. Next, insert an airline into the outlet hose and seal the line with duct tape. Depending on the type of antifreeze you have purchased, it may or may not need to be diluted. Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?. Muriatic Acid for Fuel tank cleaning? A discussion started in 2005 but continuing through 2018. It was so clean I could actually see the internal brass core. For the heater core we put junk hoses on and pour the rest of the draino inside, then fill it with water. Flushing your radiator. but it did get the radiator really clean. A mix of vinegar and water can be used as a spray as well. Using a dependable calcium, lime, and rust cleaner, or CLR cleaner, can make cleaning it easier. Pretty much any acidic compound will dissolve rust, but don't use them on spring steel or structural parts, as they can cause hydrogen embrittlement. I might just get one before trying to flush out the rear heater core. Muriatic Acid to Clean Aluminum Radiator - posted in Spec Miata Garage: Has anybody ever used 50/50 blend of Muriatic Acid (pool supply PH adjuster, HCl) and water to clean the hard water deposits out of the radiator? Weve been trying vinegar, rad flush, CLR, Baking soda and Water, all with no avail. Interested in a home warranty? Order here or request a quote today!. I've heard people using bleach and even oven cleaner to unclog heater cores. You can use a rag with a few tablespoons of vinegar on it and rub off the mineral deposits by hand, or you can soak glassware in a mix of hot water and about 2 cups of vinegar. Instead, I found a method of cleaning copper wires that seems to be widely used. You will rarely find the heater core in other locations. You may want to run a chemical flush in the system first to loosen the gunk up and then use hose pressure to flush out the radiator, engine, and heater core thoroughly. Back to my plugged heater cores, I decided to try white vinegar in them too. Drop a (copper) penny into a small, glass container filled with vinegar (acetic acid). Use the flexible wand to direct the Cooling Coil Coating over the entire evaporator core and surrounding gasket surfaces. Step 4: Use a clean cloth to wipe the kettle inside out. Air conditioning systems are cold and wet and make great breeding grounds for bacteria and mold, and adding a nasty odor to the air coming out of the vents. I saw someone suggest vinegar, but I'm not sure what that would do. Place them on a clean paper towel in their proper order. Once you finish vacuuming the carpet, you can apply the stain remover. The vinegar should dissolve at least some of the impurities that are in the pump and/or heater, and the water should flush them out. No oil, just gunk. I have had my house and pool since Fall of 2009 and have never cleaned the burner assembly on my pool heater. checked door operation on right side with camera scope: OK. The "out" hose from the heater core input emptied into a bucket where I had a silicone heater pad keeping the solution hot. Source quality products Made in China. The coolant will drain through the splash guard. Actually, I just thought about lemon juice too Suggestions or ideas? -Brad. Chemical Cleaning Of Boilers - To Clean or Not To Clean Removing Deposits. Afterwards flush with hot filtered water. There will be one or two heater control valves located there. Then Flush it the best you can. Fill the rest with water, heat it up and let sit for several hours or more. If the radiator is out, connect an old bike inner tube between the inlet and outlet to seal and then fill it with straight vinegar. Likely in the interests of energy efficiency, this model of dishwasher lacks a heater core—so the dishes don’t come out as dry as some people expected. But it's strong enough to benefit your water heater by dissolving the mineral buildup inside. Way cheaper than store bought flush. the heater core when it plugs up with. A clean system not only works better, but the allergens and other debris no longer invade the cabin. I've heard people using bleach and even oven cleaner to unclog heater cores. Each video showcases a steam cleaner that addresses a tough residential or commercial challenge. If you are going to flush with corrosive chemicals, I would NOT use muriatic acid. For a real flush, it's imortant to disconnect both heater hoses and flush out the heater core in both directions. I pumped a good 15 gallons of hose water in each direction a few times then let some dishwasher detergent soak in the core for a. Last week the car started emitting a horrible vinegar smell from the ac when first turned on. Step 2: Boil the solution in the kettle and switch off the kettle. There are a several ways to get the vinegar inside the tank: Add a vinegar water mixture to the RV’s fresh water tank then pump it in. Locate the water supply pipe, which should be above the heater, Step 3. Vinegar might also work, or a coffee pot or clothes iron cleaner as the problem with no steam is the mineral deposits left behind in the heater core or the check valve that feeds the heater core. evap box and may also have made it to the heater core. Turn on the water and let it flow through the core. And a lot of it. How To Clean Your Headlights With Vinegar - 3. Even if you are going to paint the walls, you still need to clean them first. Portable and efficient home steam cleaner. All of the core plugs were ready to go if not already only sealed by the thick paste of sludge everywhere. An electric oven has two heating elements. Part of this basic care is cleaning the water heater on a regular basis to prevent the buildup of bacteria, minerals and/or mold within the water heater. (It thought the radiator was pretty clean before I started, but was amazed at the crud soup that came out with the mixture) 4. The system should be squeaky clean. Not what I was expecting and I was very disappointed. Amazon's Choice for heater core cleaner. I need to replace or tank the radiator before it all goes back together too. Soak ONLY the affected areas in the vinegar for a couple of hours to overnight. We have seen the wrong type of stop leak lead to replacement of everything in the cooling system such as the heater core, hoses and radiator on top of replacing the head gaskets, resulting in a very large repair bill. One thing that I have never had to do myself but hear works really well to clean a heavily gummed up tank is vinegar. To protect your cooling system from these harmful and eventually costly damages, flush the system at least every 30,000 miles or 2 years. the radiator on a Jeep Wrangler does the heater core get flushed with it?. The other solution is Sodium Bicarbonate, or baking soda, and water. The use of vinegar to clean a cooling system is not snake oil. While flushing, care should be taken not to allow the cleaning liquid to enter the coolant system. The heat got a little better in the jeep but the upper heater hose is getting hot and the lower is not getting very hot. If your car fails to generate heat, then you need to check your heater core at once. iamgeo wrote:1DCGUY, Have you tried using any chemicals to clean the heater core on the second car? Believe it or not, white vinegar will work to loosen up that crude in there. Looks like several better options than that Prestone junk. Just like any other car part, radiators are subject to the 'ol wear and tear. I'm not sure it's running at 100% but it's vastly better than it was before - I wonder if there is something I can put in there or through there to really clean it out well. I would also blast the block with high pressure water to clean out the block and flush with vinegar like others have stated. Although bad A/C smell is unpleasant, it is relatively common in all types of vehicles, particularly after the car or truck has been sitting for an extended amount of time, or if the A/C unit has not. (But the water vapor blowing on window interiors independently suggests I have unwanted moisture INSIDE my a/c vent-- so I'm still expecting I will find weeping o-rings at my heater core). The heater core is actually part of the cooling system. Well, if there’s a burning smell coming from your vents, the problem really depends on whether you’re using heat or air conditioning: If you’re using HEAT for the first time this season, it is a normal smell. Most people assume warm air from their A/C unit means it's low on refrigerant. You will inspect the whole. Fill the rest with water, heat it up and let sit for several hours or more. did a flush with the GM cooling system cleaner about 3 years ago, but it didn't get everything out. Having inspected the evaporator core and it looked clean(I treated it anyways), I'd now like to inspect the heater core. One valve means you have an IHKR system, two an IHKA. I guess salad cream would work too. Mix together 1/2 cup Ultra Dawn soap, 1/2 gallon of warm water, and 1 tablespoon glycerin, which should be available at any drug store. It never damaged anything though. In part 1 of this Nissan Hardbody Dashboard Swap, we remove the 1986-1996 dash board of our project truck in preparation to install a 1997 and newer Hardbody dash, at Mini Truckin' Magazine. In my last thread about this topic I asked what others might do to clean their heater cores, as mine was obviously plugged with material/decayed hose particulate/crap, and I got a couple ideas from you guys. It's far less "aggressive". ATWOOD CLAD TANK The Atwood water heater tank is constructed of a core of high strength aluminum. I flushed it out with vinegar today and a bunch of nasty looking brown stuff came out. If this does not work, a teaspoon or two (max 3 teaspoons or a tablespoon) or plain dishwasher detergent. According to Bubbles. This excess condensed water is removed from the AC unit through a small drain pipe and deposited outside on the. Dear Home-Ec 101: I have an electric water kettle that I've used for years. I have gate valves at my heater core, do you see and pitfalls to blocking one hose off and without the engine running push as much old coolant out as possible thru the other hose into a 55 gal drum. Fill the rest of the way up with water. It mounts on the grill side of the core support (6 cylinder mounting position). Make sure the engine and radiator are cool to the touch. For example, ovens can be gas or electric, self-cleaning, and even continuously cleaning. I know it's a added expense but I think well worth it. Flushed out cooling system with vinegar and water to remove sludge. Prior to soaking in vinegar the main heater core would only trickle out with a garden hose hooked to it wide open. Get stubborn dog drool stains gone for good with these secret weapons from the cleaning pros. so you just need to clean well and regrease. Pretty much any acidic compound will dissolve rust, but don't use them on spring steel or structural parts, as they can cause hydrogen embrittlement. Give your car a good cleaning out from the front bumper to the back and the undercarriage if the roads you have driven on have been salted. When you’re experiencing a weak stream, you need to clean the clogged aerator. It seals radiators, heater cores, small head gasket leaks, etc. As you declutter, fill up some of those used boxes from Christmas. Warmed the vinegar and let it sit in the core for about an hour, all the while expecting drips on the carpet from perforation. The bleach needs to mix with condensate otherwise it will gradually eat away at the PVC. One method, which isn't the best or most effective but comes with the main benefit of being something anyone can do at home, is the immersion method. Then it should all be visible and at least you can get a better look. Every homeowner knows how important it is to clean and maintain your systems and appliances. just like as if it was a brand new or rebuilt radiator from the factory. Common commercially-produced vinegar has a 5 percent acetic acid content and freezes at approximately 28 degrees Fahrenheit. This spring/summer I will be installing valves on the supply/return lines to the sidearm so that I can remove it and soak it in vinegar. To identify the right part for your heater please refer to the replacement parts section on each products’ page. Chemical cleaning has been considered a necessary part of boiler maintenance for many years. How to Clean Your Wood Burning Stove on the Outside. I have a smell coming from my car vents when using the heater. Dowel Stick Removal. Turn on the hot water at a nearby faucet. Yes, it will. Loosen the drain plug in the bottom of the radiator. Check the fluids, clean out the trunk, and check the tire pressure. YOW Flush Kit for Tankless Water Heaters is rated 4. Calcium, lime and rust removers, kitchen, bathroom, outdoor furniture cleaners, silver, brass, copper, jewelry polishes, grease, tar removers and more!. A heat exchanger is made of thin metal, and as it heats up from the combustion of the furnace, it transfers the heat to the air being distributed through the house by the blower. Real pain taking apart the dash!!. I know it's a added expense but I think well worth it. As you declutter, fill up some of those used boxes from Christmas. I could get into explaining how regular white vinegar makes a good flushing agent when run through the system for 15-20 minutes, but I'm only going to spend so much time on a Cavalier thread. Step 3: Allow the solution to stay in the kettle for about 10- 15 minutes. So a while back I used maybe 2 or 3 bottles of Bar's Stop Leak and I'm convinced my heat isn't as hot as it was before. Car Portable Heaters & Defrosters - Keeping warm and your windshield clear are important on the cold days when traveling in your car or truck. Even after manually picking gunk out of the block, flushing the heater core manually, and rebuilding the cylinder head, it kept puking pea soup from the cooling system. Yes, I had to pull the whole dash. For the heater core we put junk hoses on and pour the rest of the draino inside, then fill it with water. How to Clean a Furnace. Excellent cleaner of restricted heater cores • Safe for use with or without cooling system flush equipment • Gas & Diesel engine safe : 100% safe & effective cleaning process of the entire cooling system including the heater core; Delivering expected results USER INSTRUCTIONS - Cooling System Service with R106 Cooling System Flush. This will help get rid of any of the alkaline rich water spots on the window. Then I made up a mix of vinegar and water in a pop bottle, and poured a bit into each hose. DO NOT DO THIS Chemical engine flushes were designed in the days of cast iron blocks and really crummy antifreeze. Also, be sure that the space between your radiator and A/C condenser is clean and free of debris. I have decided to give it a try this year before opening the pool and I hope that this will help with the efficiency of the heater as well as keeping it in good shape. Fill the bucket with 5 gallons of fresh, clean white vinegar. I'm not sure it's running at 100% but it's vastly better than it was before - I wonder if there is something I can put in there or through there to really clean it out well. in reply to Jason In Ohio, 10-12-2010 05:47:05 I had a core like that and I opened up the area enough to be able to spray some oven cleaner snf agitated it with a long handled cleaning brush and rinsed it off with water. Anyone ever done a heater core replacement on a 97-01 cr-v?? Any help or pointers is appreciated. GAS TANK RENU - USA. Mix 1/4 cup with 2 cups water, spray on windows and wipe clean. Coke to remove corrosion in radiator? I'm changing the heater core soon, and figured it would be a good time to clean it up. This is a quick video showing you how to Flush your Car's Cooling System with Vinegar. As you declutter, fill up some of those used boxes from Christmas. A dirty furnace will burn higher amounts of electric and/or gas fuel as well as work less effectively than a clean furnace. I ran it for 10 to 15 minutes and at no point did there seem to be restricted flow. As coolant circulates through the engine, some of that hot coolant passes through the heater core in the dashboard. Why distilled water?. Common commercially-produced vinegar has a 5 percent acetic acid content and freezes at approximately 28 degrees Fahrenheit. Local friends and neighbors, church associates and relatives were amazed, amused and interested in this roaming lab experiment on wheels. Turn the heater on so the coolant will flush the heater core and fittings. Best HEATER CORE FLUSH, Works 100% of the time HOW TO CLEAN YOUR ENGINE - NO WATER NO SCRUBBING - Duration: 6:18. Took a lot of flushing before it came out clean. After circulating it thru the engine, radiator, and heater core at op temp I let it sit for a day or two and repeat followed by flushing with clean water x2. Try a flush first on plugged heater core. I have a smell coming from my car vents when using the heater. There will be one or two heater control valves located there. Nature's Truth Apple Cider Vinegar 1200 mg. Automotive Accessories. Whether you want to restore its shine or prepare the surface for painting, vinegar will do the job without harsh chemicals. While it's out I'll be able to turn the core up so as to be able to soak the insides. Every year, an average of 14,500 dryers catch fire and can be responsible for up to ten deaths. I threw a 5 Quart jug of vinegar in my rad (M1009) and topped it up with water. Maintaining the cooling system in a vehicle can help to ensure that the engine runs efficiently at a safe operating temperature. 173 displays heater temperature as a function of formation depth for a turndown ratio of 3:1. Pour a 1/2" or more of. However, if you don't keep your water heater clean, it can cause numerous issues. The heater man that replaced it said he use to chemically clean these units but because of the difficulties of regs he no longer does them. Whitlam Flow-Aide System Descaler Kit has been designed to work with Tankless Water Heaters that provide 3/4" hot and cold service connections. Disconnect the heater core from the cooling system, flush with water to remove any antifreeze that will kill the bio-critters, and pour a warm mix of caustic or the bio-critters into the heater core and let it sit overnight. Take one tablespoon of bleach and pour into the weep hole to prevent fungus growth. For the heater core we put junk hoses on and pour the rest of the draino inside, then fill it with water. it worked great because it ate small holes in the stomache and let food out into the body. Hazing on the glass from the inside is normal. Haymaker effectively removes scale deposits from tankless water heater systems, restoring flow and heating efficiency. Cleaning your furnace is an important task to keep on your home maintenance schedule. Why replace your worn out OEM air conditioning system with a new Vintage Air “SureFit” kit? Consider these benefits: SureFits cost about the same as replacing only an original compressor/evaporator on most cars. Enjoy excellent buyer service with Made-in-China. Interested in a home warranty? Order here or request a quote today!. Every year, an average of 14,500 dryers catch fire and can be responsible for up to ten deaths. I Bought some female garden hose mend kits and attached each to a small length of hose, which I attached to each port of the heater core. but it did get the radiator really clean. We will talk you through a procedure after we discuss the importance and frequency of performing a radiator flush. R said i put on new hoses, thermostate, new radiator cap. Step 1 – Cleaning the Vent. Clearing a clogged heater core. Automotive Accessories. If you do, don't use the caustic cleaner for any longer than a few minutes. Soak ONLY the affected areas in the vinegar for a couple of hours to overnight. I'm putting it out there but perhaps it's the heater core in the dash leaking coolant into the vent system. Is Distilled Water Necessary for Flushing the Cooling System? reabsorbed back into the water and the pot is clean again. After flushing out the heater core in both directions, I use. It also works great on heater cores. Use a *garden hose female repair fitting (any hardware store) and a short piece of heater hose line with two worm drive hose clamps. I HAVE used CLR to backflush a heater core that was clogged and it worked great. Page 1 of 3 1 2 3 Next > RaceDiagnostics, Apr 3, I use vinegar on the combi boiler heat exchanger. which is caused by air trapped in the heater core. There’s generally an adjustable valve that controls how quickly the coolant flows through. 1 recipe = 1 each of the- 6″ and 9″ square pans and then another full recipe just for the 12″ square cake. It's important to be careful with the kind of materials you use to get your radiator clean. While you can use a cleaner that’s scented, keep in mind that you will smell the scent for a while in your car until it’s worked out of the vents. Come be part of our RV forum community today!. The bleach needs to mix with condensate otherwise it will gradually eat away at the PVC. See our intake manifold gasket sealer. I would also blast the block with high pressure water to clean out the block and flush with vinegar like others have stated. This cleaner. If there’s still no spray with the tool removed, try and clean the spray connector on the hose itself with a paper clip. Filters are placed inside outlet propellers so that the air that leaves the growing area is clean. Or try radiator flush from the autoparts store in a bucket of very hot water. Re: clean heater heat exchanger? Ted, I'd check the heater hoses first by hand after it's gotten up to operating temp first to see if there's circulation thru the core. The rear core in the suburban is upside down, so I doubt there is a way to let the CLR soak in there unless the connection are disconnected at the front (engine compartment), but that is a long ways for the chemical to travel. In our lives, there are several DIY tasks which we just cannot escape; and cleaning out your car radiator is unfortunately one of them. No oil, just gunk. HOW TO CLEAN YOUR DRY HERB PEN. Also at the end of that hose was a filter to trap all the contaminants. Radiator and heater core are only a year or two old, tubes look ok, but a lot of rust and gunk around cap and making thermostat sticky. I saw someone suggest vinegar, but I'm not sure what that would do. Find the lowest prices on bestselling Cooking Oil Sprayer For Kitchen Grill Pan Greaser Salad Dressing Mister Refill Olive Canola Vegetable Coconut Vinegar NonAerosol Clog Free Pressure Pump Dispenser Stainless Steel in a wide variety of designs. This usually occurs after the A/C has been running or after the truck has been sitting. Strange they don't mention heater core specifically. a simple 50/50 mixture is fine. Boiler Cleaning Chemicals Listed here are the popular boiler cleaning chemicals New Boiler Startup Cleaner ChemWorld Q-ALK is a concentrated mixture of alkaline cleaners and detergents, chelating agents, and inhibitors designed specifically for the pre-operational cleaning of industrial boilers and certain other water systems. Every year, an average of 14,500 dryers catch fire and can be responsible for up to ten deaths. Further troubleshooting information can also be found by clicking here. Disconnect the heater core from the cooling system, flush with water to remove any antifreeze that will kill the bio-critters, and pour a warm mix of caustic or the bio-critters into the heater core and let it sit overnight. If I change a core again, I'll give the thing a good external wash to clean out anything on the outside surface. Slide the heater temperature control lever to maximum heat. 055 kJ (kilojoules). ah "the horror" of it all !!!. This is a quick video showing you how to Flush your Car's Cooling System with Vinegar. My heater core is severely clogged on my 97 TJ. Make a fresh start this spring with our bright ideas. How to Remove Dog Odors from Your Car by Elan Use vinegar to neutralize the odors It sounds like you have a leaking heater core inside the evaporator housing. I suspect that the fins on the a/c evaporator and/or the heater cores are probably coated with build-up over the years, just like my other cars. We are attempting to change the heater core. White distilled vinegar can also successfully remove limescale deposits left by hard water by helping to loosen the minerals that are making your glassware filmy. Whitlam Flow-Aide System Descaler is NSF approved and safe to dispose of in drains*. Any cleaning liquid left will be very dilute and, as it's compatible with antifreeze, it doesn't cause a problem. , 180 Capsules Made with Organic Apple Cider VinegarGluten, Dairy and Preservative FreeNon-GMO and Vegetarian. Anyone ever done a heater core replacement on a 97-01 cr-v?? Any help or pointers is appreciated. Ensure that the drain water is flushed for about 45 minutes to get all the white vinegar out of the heater and consult with the product manual for additional maintenance practices. For the heater core we put junk hoses on and pour the rest of the draino inside, then fill it with water. If the heater core is ok there is an explination for a constantly dirty windshield. I go flushing out the heater core on this video. How to Take a Vinegar Bath. i replaced the thermostat, flushed the heater core, and bled the coolant with a nonspill funnel. The benefits of apple cider vinegar are endless. What the heater core does. I am at the point where I need to clean the fuel tank and get the rust out of it before using fresh fuel and possibly burning up a rather expensive fuel pump. White vinegar is an effective remedy for different types of stains. How to Clean a Hot Water Heater With Apple Cider Vinegar Step 1. ah "the horror" of it all !!!. You will inspect the whole. Yes, it will. After flushing out the heater core in both directions, I use. Organic cleaners are more recommended for cleaning the tankless water heater because chemicals can be harmful to your skin especially when not properly flushed out. I really don't want to pull the dash off and replace the. Most people assume warm air from their A/C unit means it's low on refrigerant. Remove all the parts from the IMPORTANT: packaging. Breathe Clean Air The best a/c system cleaners for cars and trucks lets you breathe deeply of cold, clean air. Living in the Shadow of Climate Change Safe T Furnace with a ceramic heater core that works very well. Heh - never tried mayonnaise. Also at the end of that hose was a filter to trap all the contaminants. Anyone else having problems w/ horrible vinegar/mold smell in ac of 2015 ML 350 (Mercedes). Things To Remember When Cleaning A Radiator. Auto Barn sells several different portable car heaters or portable car defrosters you plug directly into your car or trucks outlet or wire directly to your battery and either place it under your car or trucks seat or attach it to your sun visor. I suspect that the fins on the a/c evaporator and/or the heater cores are probably coated with build-up over the years, just like my other cars. One thing that I have never had to do myself but hear works really well to clean a heavily gummed up tank is vinegar. Blot dry with white paper towels. Let the water/white vinegar solution sit for a few seconds. DO NOT open the radiator cap until the vehicle's cooling system has been. Flush it with clean cold water then isolate the heater core to where you can flush it by itself and use 65 to 70% vinegar to water solution 65 to 70% vinegar mixed in with water. The rear core in the suburban is upside down, so I doubt there is a way to let the CLR soak in there unless the connection are disconnected at the front (engine compartment), but that is a long ways for the chemical to travel. How to Flush a Radiator Flushing a radiator is a relatively simply job for a weekender mechanic with a basic tool set and a drain pan. Filters are placed inside outlet propellers so that the air that leaves the growing area is clean. After I was finished cleaning & rinsing the rad, the inside of my radiator (seen through where the radiator cap screws on) was super clean on the inside. If the coolant is any color other than bright green, than your heater core is most likely clogged. Gallons of water pass through a water heater everyday, depositing minerals that make cleaning it difficult. it worked great because it ate small holes in the stomache and let food out into the body. Is Distilled Water Necessary for Flushing the Cooling System? reabsorbed back into the water and the pot is clean again. Save 5% every day with your Target REDcard. Flushed an reverse flushed heater core. I'll take a look at the heater core and try the vinegar. This important cleaning chore is going to help keep you and your family safe, and cleaning your dryer's venting system only needs to be done once a year. We have all seen this one, it is the plastic tee fitting that is installed into the heater inlet hose. My wife is out of town and I Am taking advantage of being able to have the vehicle down for a while. Proper fix is to discharge the a/c and remove both the heater core and evaporator core and clean them thoroughly. If the heater core is out I just mix the concentrate with water and fill it up and let it work for a day or two followed by a really good flush. Clean the coils at least twice a year—more often if you have pets that shed. Pour a 1/2" or more of. Mine was a 94 V-6. How to Clean a Hot Water Heater With Apple Cider Vinegar Step 1. Find your yodel. the white distilled vinegar cleans the cooling system and kills of any rust inhibiting properties and germs left behind in the old fluid. Let it run for 5 minutes, revved her a bit, went for a drive around the yard, then drained it.