It took me 5 minutes to find. My termostat opens up at 87 degrees as it should. With water pump, coolant temperature sensor and thermostat all back in place, you can put the serpentine belt back on and button everything back together. If you would like to avoid expelled coolant sitting inside the under-tray tray. I was getting CEL with code P0128 (Coolant Temperature Below Thermostat Regulating Temperature). We are no longer supporting IE (Internet Explorer). Normally, the closed thermostat blocks the coolant in the engine block and lets it heat up to 85C. im leaning towards the vent flap. Emmm, unplug the coolant temperature sensor in front of the engine, close to the thermostat, the fan should come high and loud. And itll keep pouring out. Go genuine and pay a premium only to find out that Mahle or Behr have made that thermostat too. hello guys. In all, its not a difficult job to do, but there are obviously some precautions to take to make the process a lot easier. it is 2.2 cdi television Always remembered RIP Joined Mar 14, 2005 Messages 164,073 Reaction score 354 Age 88 Location Daventry Your Mercedes Use the old bolts to cut new threads as they are screwed in. Check that the vacuum hose is connected and not damaged. The posted views of our members are in no way the views of MBClub.co.uk or its owners. The radiator and heater core act like small heat exchangers to remove excess heat from the coolant. Lets look at the most common causes and determine if they are something you can fix yourself. Thats your first test. Amount 58; Contact for Price 19; Condition Any. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. I bought the thermostat myself for about 30, local garage installed it for 40 - don't even need an MB indie, any competent mechanic can do the job. If the coolant level drops, and being careful to avoid any moving parts (especially the cooling fans! As far as I am aware I have no air locks and the car is heating up and cools as it should. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Trace your new water pump on the cardboard, and all holes where bolts may potentially go. Once tight, start getting all you hoses back in place. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! You will see the gasket and the notes (below the picture of the part) state that as well. For Sale By Any. The Fora platform includes forum software by XenForo. Replacing Thermostat in W203 . You need Zerex G-05. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Next, you'll want to get a large piece of . 8mm socket Over the next few days of running, keep an eye out for leaks, and check header tank levels if your paranoid (like me). I would use the MB coolant it is good I believe for 15 years, you will need to remove the bottom hose from the rad to empty, this is the easiest way and just fill via the top tank, there is no bleeding to do, put the correct amount of antifreeze in first, How much is the MB stuff and hoe much? Cold coolant flowing through the heater core cant produce heat and wont warm up your cars interior. One, thing. Remove the bolts in any order you like, but remember to remove the two lower coolant hoses before yanking out the whole unit. Dont confuse the blend door with the mode door. Page may contain affiliate links. If you reject them, enhanced functionality will be unavailable. A plugged heater core restricts coolant flow and gives off little or no heat. Reduced efficiency and power.Hard to find part.Australia mercedes h. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Here is what to do. It may not display this or other websites correctly. Mercedes-Benz Sedan / Coupe / Wagon Forums, Diagnostic Tool Terms and General Glossary. Recently changed mine and I'm now as warm as toast! had the same problem and replaced the thermostat in about 30 mins total. Much appreciated!!!!!!!!!!! Once lined up, get your bolts into the housing and nip them up. Star/Torq bits, preferably drive size E12 and T27. Strictly speaking, I should have used a new O ring. Oil Filter housing socket. New 57; It may not display this or other websites correctly. Drain coolant/water. Just drain 2 litres out then the level will be below the stat. I think it is the blender valve tho because i touched the evaporator and one line is hot one is cold so it is working as it should. Thank you very much,that would be great.Glad you are ok ,think you got spoilt with the guys the other day ,too much cake etc :lol::lol::lol: OK it has gone please edit out your address. His work has been featured in The Family Handyman, a Reader's Digest book and Classic Bike Rider magazine. Two gallons (min) of coolant. About 7 IIRC. Finally do not use any old coolant/antifreeze. - The picture may be for 'illustration purposes' ?? It goes without saying, do not damage the face! I then started that car and let it warm up. These symptoms indicate coolant is burning in the combustion chamber due to a bad head gasket, intake manifold gasket or other failed internal engine part. Hi Noel, welcome to the forum. Thats your first test. Once you have the correct gasket, you can install the pump (again). - air in coolant system. When it's cold outside, your car's heating system provides warm air to make driving comfortable. If it's hot, and you still have no heat int he cabin, then it's damper. I thought it wise to clean the crud and dirt off the area before I unbolted the housing. A lot of stuff is easier to work on when you take off the serpentine belt, but dont get ahead of yourself. 17mm socket And finally another small bore hose to the fuel cooler. South Africa 77; Gauteng 73; KwaZulu-Natal 4; Price. The coolant system is self-bleeding, so there should not be an issue with air in the lines. Otherwise, your mechanic can do it. - air mix valve (flapper) malfunction. Temp gauge already installed so just move across the wiring plug. . Did you replace just the fan motor, or the entire fan assembly? In a passenger vehicle, the heater control panel manages the components that regulate how much heat from the heater core enters the passenger compartment, to keep you warm and toasty. I have an 05 c240 that has no heat. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. NOTE: Be aware that there may be some pressure still in the system. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. JavaScript is disabled. This is where that cardboard cutout comes out handy. If the hose connected to the engine is warm, but the hose from the valve to the heater core (the hose that goes into your car) is cooler, the valve is in the closed position. Also depending on the age of your car, it might have the long-life 15-years coolant, in which case you want to top-up with original MB coolant of the same spec. All 1996-2003 Ford PSD's now come equipped with a long stem 195 thermostat. Remove the upper hose from the thermostat, and use the appropriate socket on the two Torx fittings to remove the unit. Thermostat Replacement in Mercedes C 180 W203 Model. Low coolant or air in the cooling system On the C270 there is an electric water pump mounted behind the drivers side headlamp. JavaScript is disabled. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Can you post a picture up of the one you have and a picture of the housing. T40 socket Youll be amazed at how much coolant actually comes out. Mercedes C220 CDI OM611 Thermostat fault.Thermostat leak causing low engine temperatures. Hello people, can anyone point me in the direction as to find the correct part number for a new thermostat ,w203 220cdi 2002 .I tried today at a couple places but no luck ,as this time of night i have'nt had a reply.I tried GSF on their website but they did not have any listed,it . Its just to the left of the socket in the picture above, and easily snagged. For your vehicles heating system to work efficiently, and help prevent coolant leaks and engine mechanical problems, flushing the coolant every three to five years or 30,000 miles is key. These cookies are required to enable core functionality such as security, network management, and accessibility. I know that the red type is for very long term ,as a mechanic once told me.Again, thanks for reading and for any replies. Could try this Mercedes parts enquiry form : I have a fancy that the thermostat is a MB only part, about 35 from a dealer. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Also, the electric pump is only for REST mode and would not affect the lack of heat with the engine running. Matter of fact, some folks drive the cars this way all the time if in hot climates, with the fan high but its noisy. Any idea's as to why it won't fit in then? Would anyone have handy guide to changing the thermostat on the w203 model. Its a plastic piece on a 90 degree angle, and easy to snag on the pump. MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Once you have the pump removed, youll want to address a few things: corrosion left from the old seal, and protecting components from dirt and debris. If I were, I wouldn't have driven the car for a year with P0128/thermostat issue. The evaporator would play no role in this. Apply. Do you think I will be able to access everything without having to remove the oil filter? Maybe you have a stuck coolant thermostat. To the OP, thank you , thank you, thank you for the write up. i have now noticed when i do the reset test ( defrost and circ) the car turns up the vents to max blow and i can hear a click 1 click and the blower slows down a lil then it picks back up to max and it clicks again and it dies down a bit again. I see one of them. Then the large bore hose to the Radiator (7mm socket). JavaScript is disabled. JavaScript is disabled. Just a quick one, is there any recommded aftermarket brands or should I go for the genuine Mercedes part? When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. My car warms up much faster, and blows warm air within 10min, (80deg within 15min) with an ambient of 5-6deg C, travelling almost immediately at 60mph. Make sure that the engine is cold before you start replacing the thermostat on your Mercedes-Benz. You may not reject these. Item 216 on the fuel pump diagram. See further information and configure your preferences. Get your short stiff hose and press it into the opening in the block it came from, and offer up the housing, navigating between a fuel rail and everything else in the way, while making sure the annoying short stiff hose also sits in the lower opening in the housing. Keep this in mind when removing the housing. For a better experience, please enable JavaScript in your browser before proceeding. The ECU can turn the fan on and off and adjust its speed based on cooling demands - that is, cooling of both the engine and for the A/C system. The posted views of our members are in no way the views of MBClub.co.uk or its owners. a U.S. Army dependents school formerly located in Frth/Bavaria, Germany 1958-59 School Year 13th year of the school's existence Graduating Class of 1959 This File: Memoirs, Historical Articles, Memorabilia Comments, corrections, and further contributions to the Nrnberg Alumni Association Archives should be sent to Figure 1. While a paper gasket came with this aftermarket unit, I recommend throwing it out immediately, because you can buy the coated metal gasket from your local MB dealership for less than $20.00. You can replace a heater control valve yourself. What's the coolant temperature? Although, we are told that thermostats on these cars usually get stuck in open position, it can get stuck in closed position and it's a matter of minutes before serious damage to engine occurs. According to the US Department of Energy, it's best to keep your thermostat at 68 degrees Fahrenheit for most of the day during the winter season. I thought I would attempt this DIY job, after two sessions struggling to get access to the three mounting bolts the old thermostat body finally came away but took one of the black plastic fuel hoses with it, snapping it at a t-piece. You are using an out of date browser. Falling down the side of the engine. After youve cleaned up the coolant that you spilled all over, youll want to start with removing components. If you reject them, enhanced functionality will be unavailable. Jan 18, 2013 #2 brucemillar MB Enthusiast Joined Nov 18, 2010 Follow the same steps to check if a heater core is clogged, only youll also want to feel the heater hoses on both sides of the valve. Get a scan of the car and see what could be wrong You may want to try a new coolant temp sensor. This heat is used to warm up the passenger compartment and defrost the windshield. To maintain proper engine operating temperature, the cooling system circulates the engine coolant through the radiator and heater core. Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of replacing the thermostat and thermostat housing on a 2001-2007 Mercedes C230 W203 with 1.8L M271 engine.Affiliate link mentioned in the video forTOPAZ 2712000015 Coolant Thermostat with O-rings for Mercedes-Benz C230 2003-2005 1.8L http://amzn.to/2BwTg79Affiliate link mentioned in the video for Mercedes-Benz Thermostat Housing C230 http://amzn.to/2EGQgqXAffiliate link mentioned in the video for Mercedes Benz Engine Coolant / Antifreeze (1 Gallon) (BLUE Color) http://amzn.to/2sBmeQiAffiliate link mentioned in the video for Milwaukee (MLW255721) M12 FUEL 3/8\" Ratchet Auto Kit http://amzn.to/2CpUgGZAffiliate link mentioned in the video for the How to Automotive Tool Store https://www.amazon.com/shop/howtoautomotiveWebsiteFor more videos, tips, and to purchase recommended tools and products visit my website at: http://www.howtoautomotive.com/Stay connected at:Email: howtoautomotive@gmail.comFacebook: https://www.facebook.com/How-to- Automotive-432536836946801/?ref=settingsGoogle+: https://plus.google.com/+HowtoAutomotLinkedIn: https://www.linkedin.com/in/brian-esl 819839118DisclaimerOwing to factors beyond the control of How to Automotive/Brian Eslick, it cannot guarantee against unauthorized modification of this information, or improper use of this information.
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