On a cool engine, remove the pressure cap and open the radiator drain. How do you flush a Ford coolant system? Step 1 – Remove the coolant from the system. Actually, you can change the thermostat in some trucks without draining the radiator. As your engine runs, it generates heat and your coolant system (and coolant) helps prevent your car from overheating. Apr 12, 2018 · If you don't remove the passenger side plug, you probably could do an extra drain and fill. This is found on the bottom of the radiator. In this episode, Popular Me. the hoses usually get replaced at this time. Flushing the engine block. Can You Flush a Heater Core to Unclog It? If you think the inside of your heater core is clogged up, then there’s a chance you may be able to flush it out and unclog it. Tighten the housing nuts alternately, to avoid distorting the housing. If the coolant level is low, add the correct coolant to the reservoir (not the radiator itself). Just replace what falls. If you're replacing any coolant system components, like your thermostat or your hoses, now's the time to do it. These steps should work on all 2000-2005, 3400 or 3800. Does thermostat affect coolant? A thermostat is a valve that controls the engine’s temperature. 1 de jan. Thank you for choosing justanswer. Pain as it is, it's a good tim Jimmy . If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. To speed up the process, you can remove the drain plug entirely when the flow of coolant. Remove the radiator cap and pour distilled water into the radiator until full. this is definitely a job for your mechanic. Do you fill the radiator or the reservoir? If your engine is cold, the coolant level should be up to the cold fill line. Remove the thermostat to ensure we get the proper flow through the entire engine and heater core. Now the flush water should be flowing out of the coolant. I ran the car, and green coolant circulated through the system. It's purpose is to keep the engine at the proper operating temperature. Loosen the reservoir cap just a little, then step back while the pressure releases. Your heater isn't working: If you notice your heater failing to get hot, this can be one of the most obvious signs that your coolant needs changing. Should'nt be necessary to remove the thermostat. Basically you open the cooling system and introduce water under pressure (thermostat removed). " this involves simply draining the coolant at the bottom of the radiator, then topping up the radiator with fresh fluid until it it's full. Free shipping Free shipping Free shipping. Loosen the reservoir cap just a little, then step back while the pressure releases. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. Fill the radiator with water from your garden hose until it’s about one inch below the radiator neck. No, it is not necessary to remove the thermostat. Repeat this process at least three times. Feb 01, 1992 · TOM: The thermostat is just a valve that goes between the engine and the radiator. Splice the t fitting in the heater hose that goes to the nipple near the t-stat housing. Answer (1 of 2): Depends on thermostat location. Do you have to remove thermostat to flush coolant. Drain The Coolant. Locate the coolant drain plug which is identified by the white arrow in Figure 3. 2) fill it back up with water. Automotive Mechanic. Aug 21, 2020 · Refill the cooling system with water and radiator flush. Find out how to do-it-yourself in this week's episode of Saturday Mechanic. Chevy Trailblazer 2006, Engine Coolant Thermostat and. Half way through the coolant flush I found that I could barely access let alone break the engine coolant drain plug. Expert: Matt replied 7 years ago. In this episode, Popular Me. Drive your car for approx 10-15 minutes. The coolant reservoir (also called a recovery tank or surge tank) for the E-Class is located on the driver side front of the engine compartment. Allow all of the coolant to drain into the drain pan or bucket. Keep in mind that when the engine is running, the water pump is going to have an opinion on which way the water flows. You will need to bleed the cooling system when finished. Fill the radiator with coolant. Nov 12, 2013 · They say you are to remove it before draining the system. Follow these steps to bleed the coolant system easily: Total Time: 30 minutes Step 1: Get the Coolant Ready The first step in this guide is to make sure your anti-freeze is ready. In this episode, Popular Me. Try to drain as little as possible and fill up before restarting the engine. Loosen the reservoir cap just a little, then step back while the pressure releases. If your radiator doesn’t have a cap, remove the pressure cap from the coolant tank. Place a pan under the drain plug to catch old coolant. Once it's off flush through until clean water : Water will come out from where thermostat was. Doing a radiator flush does not require any other component to be replaced. 6) Repeat step 5. Replacing radiator fluid is the most forgotten thing when taking care of your car. Drain The Coolant. If you really seem to have trouble, detaching and raising the small return pipe from the radiator to the heater should do the trick (on the photo this goes over the +ve battery terminal from right to left). Removal of O-ring. Stop the engine and wait until it cools down (approx. These days, vehicles are much more complex and mistakes like incomplete flushing or changing the coolant in your vehicle without flushing can actually cause any . The cooling system is recommended to be flushed out anytime the thermostat is replaced if the coolant has not been changed or flushed recently. Also make sure the heater is set to maximun heat (to clean the heater core). Then I start the engine and let the thermostat open (top radiator hose starts to get hot). Make sure there are no pets or children around as these vehicle coolants are toxic. Make sure heater control on dash all the way over to the right (HOT). In this episode, Popular Me. Which, When Mixed With Water. This circulates coolant/ and some water now. Find Reservoir - Locate the coolant reservoir and. The reason for this is that the thermostat can be used to direct coolant flow. Just before draining the system, give your radiator hoses a once over, and if you see any damage or the hoses are corroded, replace them before you do your flush. Yes you should remove the thermostat prior to flushing the system. it Views: 10950 Published:-3. Chevy Sonic Thermostat Diagram 2013 Housing ces. You can buy a hose connection for your heater hose which will allow you to back flush the system. May 11, 2021 · Just started coolant flushing (it was green not pink) and the thermostat is OK, plus difficult to remove, under the fuel pump. Place a pan under the drain plug to catch old coolant. Answer (1 of 22): The thermostat makes sure the engine runs at a consistent temperature. Find out how to do-it-yourself in this week's episode of Saturday Mechanic. ago You don't have to, usually. Which, When Mixed With Water. Remove radiator cap. Retain rubber gasket around the thermostat flange if you don't buy a new one. You don’t have to drain your coolant to change your thermostat. 2) fill it back up with water. Then I would drain out . Close your air bleeding valves. If your car doesn’t have a coolant temperature gauge, an OBD tool will come in handy here. When coolant is added to a car, it is cold, however, while the engine is running, the liquid starts t. How do you flush a Ford coolant system? Step 1 – Remove the coolant from the system. The easiest way is to remove the thermostat. This circulates coolant/ and some water now. This circulates coolant/ and some water now. Automotive Mechanic. You'll need to repeat the fill/run/drain sequence three to four times until the coolant runs clean. de 2015. Which, When Mixed With Water. Apr 12, 2018 · If you don't remove the passenger side plug, you probably could do an extra drain and fill. On the Corsica the exhaust crossover is over it and the throttle body is in the way as well. Flushing the cooling system of your car can help remove the buildup and deposits that have formed overtime due to normal use of your vehicle. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. If it is out, parts of the engine may not be getting coolant as designed. Remove the radiator cap and pour distilled water into the radiator until full. After the engine. With the engine and coolant entirely cooled down, disconnect the battery. Flushing the radiator. Yeah a cooling system flush might replace 50% the total capacity. Many people tend to remove a thermostat to overcome overheating problems. Center the drain pan under the radiator drain. The reason for this is that the thermostat can be used to direct coolant flow. Leaving the thermostat in place doesn't effect drain or fill, just flushing. A thermostat does not always require the coolant to be flushed out and would be an. If you don’t, you could end up restricting the flow of coolant through the heater core and ultimately the entire engine cooling system—which, spoiler alert , isn’t ideal. Some other benefits are just victories over minor inconveniences, while others are major benefits that will allow you to. Bring the old coolant to a recycling plant, and then you are done. Fresh coolant also contains inhibitors that will keep the entire cooling system clean from rust, which could cause leaks in the radiator. Let your engine idle again and recheck and refill the coolant level and lower the front of your car. Thermostat: how it works, symptoms, problems, testing. Drain cocks come in several different styles—screw threads, quarter-turn twist, and quarter turn and pull. Just before draining the system, give your radiator hoses a once over, and if you see any damage or the hoses are corroded, replace them before you do your flush. No, it is not necessary to remove the thermostat. Which, When Mixed With Water. If you really seem to have trouble, detaching and raising the small return pipe from the radiator to the heater should do the trick (on the photo this goes over the +ve battery terminal from right to left). Of course, your radiator flush cost can be cheaper if you do it yourself. Should I send it back or is it ok?. Wouldn't have removed an engine-block coolant drain even if I had . Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. Feb 01, 1992 · TOM: The thermostat is just a valve that goes between the engine and the radiator. As the name implies, coolant keeps your engine cool (duh). This way, you only have to pay for the flush fluid and new coolant and don't have to pay for labor. Drain cocks come in several different styles—screw threads, quarter-turn twist, and quarter turn and pull. Fill coolant bottle to cold mark. I have a new thermostat to replace the old one but I am having trouble finding the drain plug on the radiator to flush. Updated: May 08, 2022. But you should never, ever do it. Many auto manufacturers recommend replacing radiator fluid at regularly scheduled intervals. Step1: Drain Coolant from Radiator. Which, When Mixed With Water. Run the engine until it's warm, let it cool, then add coolant and water to the overflow jug as needed. Place a bucket under the drain valve at the bottom of the radiator. Loosen the reservoir cap just a little, then step back while the pressure releases. Keep safety glasses on. This will bring the coolant level below the thermostat housing and prevent coolant from splashing over belts and other components after separating the upper radiator hose. Let the vehicle sit for at least two hours so it is cool enough to work on safely. Flushing the radiator. If you want to be thorough you can do a drain and fill in a years time, or perhaps before next winter if you're OCD lol. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. Do not drain it while the engine is hot — you may be scalded. Open the drain valve and allow the. Do not drain it while the engine is hot — you may be scalded. Flushing the cooling system of your car can help remove the buildup and deposits that have formed overtime due to normal use of your vehicle. Just replace what falls out when you pull the hose off to do the thermostat. Insert the new thermostat then smear the new housing gasket lightly with a non-setting sealing compound. You do want to run it until the thermostat is open, though. Water should be 95% clear by now. (but make sure you can still get under the nose of the car). Flush the Radiator. Do not drain it while the engine is hot — you may be scalded. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. Close your air bleeding valves. On a cool engine, remove the pressure cap and open the radiator drain. It has a cap on it and it is labeled. The basic process is to put in the flush, turn on the engine to circulate the fluid, let the car cool, and then drain the flush. Drain The Coolant. T-H Marine Quick Outboard Flush Mercury/Yamaha Kit QF-2K-DP. Place a pan under the drain plug to catch old coolant. As your engine runs, it generates heat and your coolant system (and coolant) helps prevent your car from overheating. This will bring the coolant level below the thermostat housing and prevent coolant from splashing over belts and other components after separating the upper radiator hose. Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. To begin with, the anti-freeze, thermostat, and the coolant temperature sensor should. Flush the water through until it runs out clear. 2 liters of coolant, manual transmission models hold 8. If you do not have the safety equipment outlined above let the radiator coolant cool down at least an hour before attempting removal of the fluid from the radiator. It occurred to me the only reason to have the engine reach 180F is to open the thermostat and ensure the coolant flows into the heat exchanger. Flush the water through until it runs out clear. Search this website. 85 degrees C. Find Reservoir - Locate the coolant reservoir and. The coolant will get lower when you start the engine, so add more until it's full. Alternate like that to get close to a 50/50 mix. Fresh coolant also contains inhibitors that will keep the entire cooling system clean from rust, which could cause leaks in the radiator. Flushing your own radiator coolant can save you money. Open the drain plug a few turns and let the coolant drain out. You'll need to repeat the fill/run/drain sequence three to four times until the coolant runs clean. Keep in mind that when the engine is running, the water pump is going to have an opinion on which way the water flows. Also, bear in mind that some thermostats are not installed separately. Feb 01, 1992 · TOM: The thermostat is just a valve that goes between the engine and the radiator. Place a garden hose into the opening of the housing and position a rag around the hose to seal it. Shut the car off, check the fluid level in the funnel. Remove thermostat and all hoses and blow hose through block/head and radiator both directions until only clean water comes out. Thank you for choosing justanswer. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. Fit new thermostat; connect all hoses to where they should be; add coolant, (around 4-500mL); top-up with water until overflow reservoir is full. Flushing Vehicle Cooling Systems. No, it is not necessary to remove the thermostat. May 15, 2016 · You should also flush the engine separate from the radiator. Just started coolant flushing (it was green not pink) and the thermostat is OK, plus difficult to remove, under the fuel pump. I do need to change out the coolant. de 2020. Which, When Mixed With Water. Let the vehicle sit for at least two hours so it is cool enough to work on safely. Close the screw. Loosen the drain plug and allow coolant to flow. Should I get a new thermostat? 235 395 r/AskMechanics Join • 24 days ago I was about to start a timing belt job and saw this with the new tensioner I was sent. Remove Thermostat Generally there are only 2 bolts to remove at the thermostat housing and this will expose the thermostat and gasket. Keep safety glasses on. Getting a coolant flush will completely clean these particles from the system. The radiator flush cost is relatively inexpensive at just around $150 for most cars. TOM: The thermostat is just a valve that goes between the engine and the radiator. Remove the fuse for 5 minutes 4. Step 1: Locate the radiator. STEVE W. Only takes less than a minute before you start seeing clean water. "Closed" means no fluid will flow through it. Replace the hose and re-tighten the clamp holding it in place or close the radiator drain valve, if your vehicle has one. Step 2 - Refill your cooling system. Changing the coolant requires draining the existing fluids and flushing the. Pro Tip: These most often have a cut in them so you do. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. Always fill the cooling system through the reservoir. In fact, some cars you don't want to remove the thermostat while running the vehicle. If the coolant level is low, add the correct coolant to the reservoir (not the radiator itself). To flush, drain the system and fill with water and super flush after removing the thermostat and replacing the housing. Loosen the reservoir cap just a little, then step back while the pressure releases. After using Bar's Stop Leak in my vehicle, it immediately started running hot. Place a pan under the drain plug to catch old coolant. If you're driving a vehicle with an internal combustion engine, then periodically you'll need to flush the radiator and replace the coolant, . Open the hood of the car and locate the radiator in the engine bay. Drain The Coolant. Don't do this! 2. Warning: Do not open the cooling system on a hot vehicle, or serious injury can occur. Underneath the truck, you will find the drain plug on the radiator. I ran the car, and green coolant circulated through the system. Turn the water on as high as possible (the higher the pressure and flow the better). Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. This will cause the thermostat to open and flush the distilled water back through the engine block and heater core chasing out the remaining . 9 de mai. Always fill the cooling system through the reservoir. Allow all of the coolant to drain into the drain pan or bucket. Pour the radiator flush product into the radiator. STEP 1 – Safety first. If you really want to get more of the old coolant from the system, retighten the engine drain plug, reattach the radiator hose, close the drain on the bottom of the radiator and fill the car with water through the reservoir. None of this is rocket science, so you don't have to go to an Infiniti . Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. I think the problem must be the thermostat, because as the car is running the thermostat gets very hot but the pipes goig into the radiator, and the radiator itself remain relatively cool. With the old precipitants and corrosion products removed, heat transfer will be restored to its maximum. Figure 14 Reinstall the lid with the thermostat removed and place the hose in the opening (red arrow). the same goes if you see oil in your coolant. Pour the radiator flush product into the radiator. in this thread in this sub-forum in the entire site. It just add one more point of failure. The thermostat looks ok to get at. Pour the radiator flush product into the radiator. Thank you for choosing justanswer. I refilled with distilled water and prestone coolant flush. Let all that nasty stuff drain completely. I was following Hatboy Harveys tutorial but avoiding the thermostat replacement. The reason for this is that the thermostat can be used to direct coolant flow. If it is out, parts of the engine may not be getting coolant as designed. Dispose of the used . Then I fill the overflow bottle to. I used cardboard in front of the radiator because you have to get to 185* 190* for these products to work. If you're filling with coolant, add 1 gallon of coolant and then add water until full. Open the drain valve and allow the. Step 4: Drain out the coolant. However, with time, the older coolant becomes acidic. Gases are a poor conductor of heat. Try to drain as little as possible and fill up before restarting the engine. Get your car diagnosed by a professional. The coolant reservoir is located on the passenger's side of the engine compartment. Two of the more popular and effective flushes are Thermocure Coolant System Rust Remover and Super Radiator Flush. If the thermostat isn't open, the coolant isn't flowing through ALL the passages of the engine block, only some. sillytavern kayra, touch of luxure
Valvoline Oil Change and Brake Center - in Lindale wants you to keep your vehicles coolant system working great by. . Do you have to remove thermostat to flush coolant
Normally I will remove the crossover pipe then use a bent wrench to remove the top bolt. Remove the radiator hose from the thermostat housing. Yeah a cooling system flush might replace 50% the total capacity. 02M subscribers Subscribe 2. 16 years of experience. The simplest way to avoid overheating is to service the system every two years or according to your car manual recommendations. Figure 14 Reinstall the lid with the thermostat removed and place the hose in the opening (red arrow). Drain The Coolant. 13 de jun. Then I fill the overflow bottle to. Do you have any problems . Thank you for choosing justanswer. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. . Fill the radiator with water and flush the system to get all the coolant out. Drain about two quarts of coolant using the radiator drain valve before disconnecting the upper radiator hose from the thermostat shell. Then, position the new one in place along with its seal, and tighten the housing bolts using a. Then I fill the overflow bottle to. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. I flush mine by opening both of the rad hoses at the rad, opening the rad drain cock and the . Pour radiator cleaner and distilled water into the radiator. The reason for this is that the thermostat can be used to direct coolant flow. I have been showing a low coolant light for several weeks without a leak. The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. The serpentine belt should be replaced when it has cracks and has pieces missing from it. The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. Remember, you have to circulate the system after each drain and re-fill. Insert the garden hose into the radiator and use the highest amount of water pressure you can get out of the hose. Does My Car Need a Coolant Flush?. Follow these steps to bleed the coolant system easily: Total Time: 30 minutes Step 1: Get the Coolant Ready The first step in this guide is to make sure your anti-freeze is ready. Tighten the housing nuts alternately, to avoid distorting the housing. You don't want used antifreeze to come into contact with your eyes or skin. 28 de mar. No, the thermostat is usually at the top of the engine. Which, When Mixed With Water. Now add at least 1/2 gallon of Restore and fill with distilled water. Getting a coolant flush will completely clean these particles from the system. Then what? It seems like some vehicles have a place you can directly pour liquid into the. It suddenly dawned on me that you could have air trapped behind the thermostat but then a. Thermostats have to be hit with hot liquid to open. Subsequently, Is coolant flush necessary?. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening cooling system. Just replace what falls. But you should never, ever do it. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. Keeps your engine cool. Then, open any drains on the engine block. Apr 12, 2018 · If you don't remove the passenger side plug, you probably could do an extra drain and fill. Go through the FLUSH PROCESS again. If you’re doing any heater core repair that requires you to remove those hoses, then you want to make sure you connect them back the same way. You can do so by following the upper radiator hose to the engine block. The thermostat looks ok to get at. I refilled with distilled water and prestone coolant flush. The only other thing you’ll need is BlueDevil Radiator Flush. For others, changing it isn’t even on the maintenance schedule. Dec 19, 2014 · Replacing a car thermostat includes the draining and refilling of your vehicle’s cooling system so you may also consider performing a cooling system flush while you are replacing the thermostat. May 11, 2021 · Just started coolant flushing (it was green not pink) and the thermostat is OK, plus difficult to remove, under the fuel pump. Gather Supplies 3. Flushing your own radiator coolant can save you money. Top off the coolant and put the cap back on. When the thermostat is detached, the engine remains cool as the. Well, that is a source of debate that I have read about for 15 years now. Just replace what falls. If the coolant level is low, add the correct coolant to the reservoir (not the radiator itself). I ran the car, and green coolant circulated through the system. Always fill the cooling system through the reservoir. I want to flush it but removing the thermostat on my car will take quite a bit of time so I want to know if I can get away just flushing the block with distilled water wit the thermostat still on. For a "perfect" flush, the thermostat needs removed. As your engine runs, it generates heat and your coolant system (and coolant) helps prevent your car from overheating. Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. Should I get a new thermostat? 235 395 r/AskMechanics Join • 24 days ago I was about to start a timing belt job and saw this with the new tensioner I was sent. Step 1: Locate the radiator. Shut the car off, check the fluid level in the funnel. Your car's cooling system is the number one reason for engine-related breakdowns on the road. In this episode, Popular Me. Locate the Drain Plug and Loosen. If you really seem to have trouble, detaching and raising the small return pipe from the radiator to the heater should do the trick (on the photo this goes over the +ve battery terminal from right to left). Apr 12, 2018 · If you don't remove the passenger side plug, you probably could do an extra drain and fill. Drain about two quarts of coolant using the radiator drain valve before disconnecting the upper radiator hose from the thermostat shell. You may need to raise the front of your vehicle and remove a splash shield to reach the radiator valve. Idle at 3000 RPM for several seconds and then idle again for a minute or so. In fact, some cars you don't want to remove the thermostat while running the vehicle. Apr 12, 2018 · If you don't remove the passenger side plug, you probably could do an extra drain and fill. Remove the cap from the purge tank and open the radiator drain cock to drain the system; close the drain cock. Remove thermostat and all hoses and blow hose through block/head and radiator both directions until only clean water comes out. Yes you should remove the thermostat prior to flushing the system. Of course you could do that, but it tends to be quite messy and you loose the coolant. Then locate the drain cock for the coolant underneath the engine on the left side of the car. STEP 1 – Safety first. When the engine is too cool, the thermostat closes and stops. 2006 Chevy Silverado 2500HD Duramax Coolant leak 3 Answers. One of the most obvious steps in cooling system maintenance is to keep the radiator and any cooling units that are positioned in front of it clear of dirt and debris. Actually, you can change the thermostat in some trucks without draining the radiator. If you don’t, you could end up restricting the flow of coolant through the heater core and ultimately the entire engine cooling system—which, spoiler alert , isn’t ideal. You will need to bleed the cooling system when finished. Pour the radiator flush product into the radiator. Flush the Radiator. If the coolant level is low, add the correct coolant to the reservoir (not the radiator itself). Or you can remove the lower radiator pipe and let the stuff drain. Insert the new thermostat then smear the new housing gasket lightly with a non-setting sealing compound. Wait for the radiator to cool down, then put on a pair of safety glasses and rubber gloves. Your car's cooling system is the number one reason for engine-related breakdowns on the road. Do not drain it while the engine is hot — you may be scalded. Locate the Drain Plug and Loosen. STEP 2 – Press down on the radiator cap, slowly turn it counter-clockwise until it hisses, wait until the. Flushing your own radiator coolant can save you money. The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. Use your owner's manual to determine the proper amount of coolant that your system requires. If you don’t, you could end up restricting the flow of coolant through the heater core and ultimately the entire engine cooling system—which, spoiler alert , isn’t ideal. If the thermostat isn't open, the coolant isn't flowing through ALL the passages of the engine block, only some. Follow these steps to bleed the coolant system easily: Total Time: 30 minutes Step 1: Get the Coolant Ready The first step in this guide is to make sure your anti-freeze is ready. I have a new thermostat to replace the old one but I am having trouble finding the drain plug on the radiator to flush. On the Corsica the exhaust crossover is over it and the throttle body is in the way as well. The thermostat is a key component of the engine cooling. When the engine gets too hot, the thermostat opens up and lets the engine coolant flow through the radiator, where it cools off. Just drain the radiator when it is cold, close the drain and then add a 50/50 mix of coolant and distilled water. Air will get into the system when doing the thermostat, there's really no way around it. Insert the new thermostat then smear the new housing gasket lightly with a non-setting sealing compound. Could be 1/3 of the total amount (usually one gallon) that it requires. Loosen the drain plug and allow coolant to flow. Turn off engine. However, if the system has a lot of debris and scale in it, the thermostat may need to be replaced if it gets clogged or corroded. Next, remove the thermostat housing and thermostat, but save the "O"ring. I cannot for the life of me find this thing. Get your car diagnosed by a professional. Good luck and hope this helps, and Note: Common Black kitchen Pepper does great as a radiator stop leak without leaving any residue and can be cleaned out of. 4) drain radiator again. When it is up to me, I never use the red Dex-Cool, (Dex-Mud). Shut the engine off if the temperature climbs past operating temperature. The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. Center the drain pan under the radiator drain. A heater doesn’t work well if the engine doesn’t have enough coolant or antifreeze. Replace the hose and re-tighten the clamp holding it in place or close the radiator drain valve, if your vehicle has one. Thermostat removal. Your car's cooling system is the number one reason for engine-related breakdowns on the road. May 29, 2011. Though this process doesn’t guarantee success, it’s often worth a shot before going to the hassle or expense of a replacement heater core swap. It is the most common sign that you have a low coolant when your engine overheats. . порно хентай