This saves you from having to OPEN the drain cock and it will pump out as much of the coolant w/o the hassle!! It works! Around 2. When the engine is too cool, the thermostat closes and stops. Also do yourself a favor if you drain the coolant regardless of thermostat location and that is backfill the block to pre. If you want to switch coolant types, you can. The serpentine belt should be replaced when it has cracks and has pieces missing from it. Flushing your own radiator coolant can save you money. Antifreeze and engine coolant are the same product, sold in the same packaging, and both go into the vehicle’s radiator. On most cars the coolant comes in at the bottom and out the top at the thermostat, now if the coolant is clean and all is working well, [ you just had a leak], like said just drain out and catch 1Gal. Does thermostat affect coolant? A thermostat is a valve that controls the engine’s temperature. Hello! I have to drain my coolant to replace the coolant flange O ring, and I thought, before filling it back up with coolant, why not do a radiator flush. Leave the thermostat out, then start adding your coolant. Your car's cooling system is the number one reason for engine-related breakdowns on the road. As for changing your thermostat - simply remove the thermostat housing - remove the old thermostat - replace with new (be sure it is the one rated for the season at hand) - replace gaskets (or use RTV gasket. I've got a 97 XLS (V6) and have drained the radiator and block of its coolant. Flushing your own radiator coolant can save you money. Place a drainage pan underneath the drain plug, so the coolant does not leak onto the floor. 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. Loosen the drain plug and allow coolant to flow. The word ‘hold’, or ‘permanent hold’, or something similar should appear on the digital thermostat. Water is not going to get up there by the thermostat. For others, changing it isn’t even on the maintenance schedule. I have a new thermostat to replace the old one but I am having trouble finding the drain plug on the radiator to flush. Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. At certain intervals, though, it's better to flush the radiator and replace the coolant entirely. Replace the hose and re-tighten the clamp holding it in place or close the radiator drain valve, if your vehicle has one. So, make sure that your engine has enough coolant and antifreeze, to begin with. Changing the coolant requires draining the existing fluids and flushing the. If you want to switch coolant types, you can. Do not drain it while the engine is hot — you may be scalded. You'll need to repeat the fill/run/drain sequence three to four times until the coolant runs clean. Flush the Radiator. Run chemicals thru and then flush with a flush tee temporarily plumbed into system. New FICM- 1 Year Unlimited Mile Warranty. Tie a long plastic bag with a hole in the bottom to the top stub, to direct the coolant away from the engine and electrical components. If the thermostat isn't open, the coolant isn't flowing through ALL the passages of the engine block, only some. Actually, you can change the thermostat in some trucks without draining the radiator. Loosen the reservoir cap just a little, then step back while the pressure releases. Then, open any drains on the engine block. Coolant flush. 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. Then, remove the two 12mm bolts on the thermostat housing and remove the thermostat housing. I refilled with distilled water and prestone coolant flush. By leaving the cap off and running the engine, the cooling system is forcing any trapped. Replace the radiator cap. The best way to flush cooling system is to remove thermostat flush system , as far as thermostat replacement I would recommend you do , is routine during system flush. If you have good coolant that you don't want to waste . Which, When Mixed With Water. Use Radiator Flush 5. the hoses usually get replaced at this time. Tighten the drain plug when coolant has stopped flowing. Draining the radiator alone should remove roughly 40 to 45 percent of the system’s coolant. 16 years of experience. Then close the radiator petcock or drain. If it is out, parts of the engine may not be getting coolant as designed. Remove the overflow reservoir cap and use the pump to drain the old coolant. If you want to flush the system you will have to remove the thermostat and hook up your flush system to the radiator. There will not be anything there to flush anyway. To get a full flush, you need to remove all of the unwanted debris and the old liquid so that the old antifreeze does not mix with the newer antifreeze. On the Corsica the exhaust crossover is over it and the throttle body is in the way as well. As we already know, the major purpose of the thermostat is to maintain the engine at the proper temperature. Check the level and then repeat this 4 times, or until heat is coming from the front and rear heat units. Make sure to catch all of the coolant in a drain pan, and take it to your local coolant recycling facility ort auto parts store. (if you did not remove the thermostat you must run the truck until the thermostat opens + 5 minutes to circulate. Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. That's what happens when your engine . Removing the thermostat from any car isn't a good idea. 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. Then, fill your radiator until you can see the coolant coming up near the radiator cap. Remove the thermostat by pulling it out with a pair of pliers. Flushing your own radiator coolant can save you money. Allow the engine to cool a bit. Run the engine to mix the coolant, then check the freeze point. If your car doesn’t have a coolant temperature gauge, an OBD tool will come in handy here. Should'nt be necessary to remove the thermostat. Wouldn't have removed an engine-block coolant drain even if I had . STEP 4 – Loosen the drain valve and allow the coolant to completely drain out. Actually, you can change the thermostat in some trucks without draining the radiator. Drain Coolant. Regardless of the air temp the thermostat will keep the coolant temp at approx. Remove the radiator cap and pour distilled water into the radiator until full. . like craters, that were caused by acidic coolant. - 2001 YAMAHA WAVERUNNER GP800R Flush. I cannot for the life of me find this thing. Let the coolant drain into a pan. Do not drain it while the engine is hot — you may be scalded. the traditional coolant draining process is also known as "drain and fill. Let all that nasty stuff drain completely. Locate the drain plug. Flushing the engine block. Put on safety glasses and remove radiator cap under the hood. The word ‘hold’, or ‘permanent hold’, or something similar should appear on the digital thermostat. The word ‘hold’, or ‘permanent hold’, or something similar should appear on the digital thermostat. This will cause the thermostat to open and flush the distilled water back through the engine block and heater core chasing out the remaining . If the water does not clear in a few minutes, reverse flush the radiator. It has a black top, a pressurized screw-on cap, and. Pour the radiator flush product into the radiator. 1,539 Posts. That's it, you are almost done! Figure 6. Get your car diagnosed by a professional. Everything could be fine, but the more information you have, the better job you can do. No, it is not necessary to remove the thermostat. - 2001 YAMAHA WAVERUNNER GP800R Flush. STEP 2 – Press down on the radiator cap, slowly turn it counter-clockwise until it hisses, wait until the. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. You can buy a hose connection for your heater hose which will allow you to back flush the system. Get your car diagnosed by a professional. Refill with 50/50 mix until the radiator is full. 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. Remove the radiator cap and pour distilled water into the radiator until full. of antifreeze coolant, [the full po-po not 50-50], then fill the bottle to the cold mark, and run up to temp and drive around the block a few. Reconnect oil heat exchanger hose to metal line. How do you remove the thermostat of a 1999 Toyota corolla Ce? Thermostat is located on side of cylinder block, behind coolant inlet housing for lower radiator hose and the generator. Then, remove the cap completely. The coolant works to absorb and radiate heat . If you're driving a vehicle with an internal combustion engine, then periodically you'll need to flush the radiator and replace the coolant, . Wipe clean the radiator filler neck and cap of any dried up coolant sediment. Well, that is a source of debate that I have read about for 15 years now. Step 6 - Fill radiator. Flushing your own radiator coolant can save you money. If you're replacing any coolant system components, like your thermostat or your hoses, now's the time to do it. May 29, 2011. de 2020. After the engine. Tighten the plug, refill the radiator with distilled water, and run the engine . In fact, you can do it with the engine still warm, because the thermostat slips right into place without any need to tighten anything. Joined Apr 1, 2008. All I did was remove the cap on the expansion tank and release the coolant from the drian plug at the bottom of the radiator. Once the engine has cooled down, drain the radiator again by opening the petcock. On the Corsica the exhaust crossover is over it and the throttle body is in the way as well. Just replace what falls. As your engine runs, it generates heat and your coolant system (and coolant) helps prevent your car from overheating. May 29, 2011. If it is out, parts of the engine may not be getting coolant as designed. Find out how to do-it-yourself in this week&39;s episode of Saturday Mechanic. You do not have to change it but it is a good idea to do so while you already have the system drained. Actually, you can change the thermostat in some trucks without draining the radiator. Step 1: Add Coolant/Antifreeze. You do want to run it until the thermostat is open, though. Then what? It seems like some vehicles have a place you can directly pour liquid into the. Drain the radiator. Open the bleed valve. de 2020. This circulates coolant/ and some water now. Keeps your engine cool. I was following Hatboy Harveys tutorial but avoiding the thermostat replacement. Locate the Drain Plug and Loosen. The best way to flush cooling system is to remove thermostat flush system , as far as thermostat replacement I would recommend you do , is routine during system flush. There will not be anything there to flush anyway. Remove the radiator hose from the thermostat housing. Also do yourself a favor if you drain the coolant regardless of thermostat location and that is backfill the block to pre. Flushing your own radiator coolant can save you money. Automotive Mechanic. Make sure you have a bucket that is large enough to hold all of the fluid that will be drained from the radiator, and place it beneath the drain valve. Getting a coolant flush will prevent the old anti-freeze from becoming acidic. If your high-temperature gauge reads hotter than the usual level, it indicates that your car needs a coolant flush. They recommend replacing the thermostat, flushing the coolant,. Have the system pressure tested - an overheating engine could be caused by a myriad of problems - blown head gasket, cracked cylinder head / block, thermostat stuck in the shut position, a clogged radiator, inoperative cooling fan or even the wrong fuel. The next day, after she has cooled overnight, remove rad cap and add appropriately new coolant. Loosen the radiator's drain plug and drain the coolant. Well, that is a source of debate that I have read about for 15 years now. Which, When Mixed With Water. Yeah a cooling system flush might replace 50% the total capacity. Draining the radiator alone should remove roughly 40 to 45 percent of the system’s coolant. Many auto manufacturers recommend replacing radiator fluid at regularly scheduled intervals. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. How do you remove the thermostat of a 1999 Toyota corolla Ce? Thermostat is located on side of cylinder block, behind coolant inlet housing for lower radiator hose and the generator. Let it soak overnight or longer if you have time. The simplest way to avoid overheating is to service the system every two years or according to your car manual recommendations. Flush the water through until it runs out clear. Remove the . This plug must be loosened to bleed air out of the motor during the fill. Drain The Coolant. Modern vehicles are a little more complicated than that. Steps to flush your coolant: 1. May 15, 2016 · You should also flush the engine separate from the radiator. Do not drain it while the engine is hot — you may be scalded. No, it is not necessary to remove the thermostat. $4 for the flush, $20 for the antifreeze, and probably $5 for all the water. Leave the thermostat out, then start adding your coolant. Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. Actually, you can change the thermostat in some trucks without draining the radiator. *Tip* Do not use 50/50 pre-mixed coolant. Just replace what falls. When you get a coolant flush, it is also common to receive an inspection of your entire cooling system including the thermostat, radiator and all hoses and belts. Start the truck and let it idle. I was following Hatboy Harveys tutorial but avoiding the thermostat replacement. The coolant works to absorb and radiate heat . Drain The Coolant. Chris Rosales. Reinstall the lower hose temporarily, pour the flush into the block and fill the block with tap water. Simply unclip and pull upward and out. When you replace a damaged thermostat, you also prevent your engine from overheating and the heater from blowing cold air into your. Step 2 – Refill with distilled water. Remove the radiator hose from the thermostat housing. Make sure that your car is off and the engine is cool because the coolant can be extremely hot and can scald you. As the name implies, coolant keeps your engine cool (duh). Protect your vehicle from wear and tear and engine corrosion today! BlueDevil Radiator Flush. Remove the radiator cap and pour distilled water into the radiator until full. I do need to change out the coolant. Just started coolant flushing (it was green not pink) and the thermostat is OK, plus difficult to remove, under the fuel pump. To add coolant to a car, open the hood, and remove the cap on the white plastic tank that is next to the radiator. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. Leave the thermostat out, then start adding your coolant. 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. Step 3 - Remove coolant drain plug. Step 1: Add Coolant/Antifreeze. Step 1: Locate the radiator. To flush your radiator properly, you. It is located directly on top of the lower radiator hose. DIY car repair with Scotty. At that time, I "top off" the level in the radiator (to the very top) and put the cap on. Let the engine cool completely and then drain the system again. Engine overheating and the mechanic solution was to cut the coil from the thermostat because it was sticking (Rav4 2004). On a cool engine, remove the pressure cap and open the radiator drain. Once this is done, proceed to remove the radiator cap as well. Have a small bowl ready to catch any remaining coolant at the thermostat housing. 1) empty radiator tank, by simply pulling the drain plug. The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. Do not drain it while the engine is hot — you may be scalded. Next, remove the top radiator hose clamp and insert the IN end down all the way to the bottom of the radiator. Let the vehicle sit for at least two hours so it is cool enough to work on safely. Do not forget to order a new thermostat and new gasket while you are at it! 4. Now, turn your heater to maximum temperature, low fan speed, and leaving. As the name implies, coolant keeps your engine cool (duh). 2 liters of coolant, manual transmission models hold 8. Step 2: Access the drain spout. No, it is not necessary to remove the thermostat. If you're replacing any coolant system components, like your thermostat or your hoses, now's the time to do it. 5 gallons of water diluted with the radiator flush fluid. Just replace what falls out when you pull the hose off to do the thermostat. Make sure heater control on dash all the way over to the right (HOT). 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. I then replaced the split pipe. Just replace what falls. Drain The Coolant. Now add at least 1/2 gallon of Restore and fill with distilled water. Find out how to do-it-yourself in this week's episode of Saturday Mechanic. It suddenly dawned on me that you could have air trapped behind the thermostat but then a. Pour the radiator flush product into the radiator. This is beneficial because it checks for leaks and other potential problems. This is an example of how DIY saves a lot of money, since shops tend to charge around $100 for this service, maybe more. If you do, make sure you let the car cool before draining this final batch of fluid. Stick a garden hose in the . Posted on March 5, 2022 by micdot. If it is out, parts of the engine may not be getting coolant as designed. Oh, and another 5 for a new. Reduce engine and cooling system component wear. I have been showing a low coolant light for several weeks without a leak. Repeat this process at least three times. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. At that time, the level in the radiator usually drops a little and you may be able to see the coolant "flowing" by the opening. Fill the Cooling System with Distilled Water. Therefore, adding pre-mixed 50/50 will further dilute the solution and yield a weak freeze point, along. If it doesn’t, remove the radiator cap and add the coolant or a 50/50 mix of coolant and water. After using Bar's Stop Leak in my vehicle, it immediately started running hot. When you are looking to flush the radiator, you can see there are two ways you can do this. Flushing your own radiator coolant can save you money. In fact, some cars you don't want to remove the thermostat while running the vehicle. 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. Let your engine idle again and recheck and refill the coolant level and lower the front of your car. 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. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. And the guides I've read/seen say to flush with distilled water a few times. Only takes less than a minute before you start seeing clean water. Which, When Mixed With Water. the bad coolant should be completely flushed out and replaced with fresh replacement coolant. Insert the new thermostat then smear the new housing gasket lightly with a non-setting sealing compound. The Zetec's thermostat housing is at a lower point in the cooling system. Watch for air bubbles that may be introduced. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. the yellow door lakewood, qooqootvcom tv
Do you have any problems . . Do you have to remove thermostat to flush coolant
As your engine runs, it generates heat and your coolant system (and coolant) helps prevent your car from overheating. When this happens, there will be a bleeder screw on the thermostat housing, or there will be a temperature sensor or threaded plug that can be removed while you are filling the system. Remove the radiator cap and pour distilled water into the radiator until full. Expect at least a 5-gallon bucket-full. The oil should be emulsified (dissolved) and drained out with the flush water. Now the flush water should be flowing out of the coolant. When the engine warms up, it. The oil should be emulsified (dissolved) and drained out with the flush water. Let the vehicle sit for at least two hours so it is cool enough to work on safely. Locate the reservoir cap on the engine and remove it. When the engine is too cool, the thermostat closes and stops. Air will get into the system when doing the thermostat, there's really no way around it. Do you fill the radiator or the reservoir? If your engine is cold, the coolant level should be up to the cold fill line. Which, When Mixed With Water. Little/no air is introduced when flushing these systems with the proper equipment. Again flush from upper hose. However, if the system has a lot of debris and scale in it, . Let all that nasty stuff drain completely. Reinstall radiator hose to the water pump for the clean / flush phase. Do not drain it while the engine is hot — you may be scalded. On a cool engine, remove the pressure cap and open the radiator drain. Flushing the coolant and replacing it with fresh fluid every two years or 30,000 miles is a good rule. No need for flush products if the vehicle has regular maintenance. Get your car diagnosed by a professional. If you have enough air in the system it can read cold because the temp sensor needs to read liquid, not air. TOM: The thermostat is just a valve that goes between the engine and the radiator. DIY car repair with Scotty. draining the radiator will get rid of the coolant in the radiator, for most cars that is 75% of the coolant, the rest is in the block. Remove lower hose and place in a big bucket. To speed up the process, you can remove the drain plug entirely when the flow of coolant. Before removing the thermostat, remove the lower radiator hose attached to the thermostat assembly. Open the drain, and allow all the coolant to drain into the container until it stops flowing out. Remove The Radiator And Have A Radiator Shop Test, And Flush It. 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. Close your air bleeding valves. Stop the engine and wait until it cools down (approx. Actually, you can change the thermostat in some trucks without draining the radiator. It’s a simple 10-minute job and you’ll never look back. Shut the car off, check the fluid level in the funnel. Whenever I flush the coolant I remove the block drain plugs but I use new crush washers when reinserting them, I've never had a problem with leaks there afterwards. Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. Step 2 - Refill your cooling system. Here, the thermostat must open and close at a specific time. To get a full flush, you need to remove all of the unwanted debris and the old liquid so that the old antifreeze does not mix with the newer antifreeze. Replace the thermostat and radiator cap when you change the coolant. Draining the radiator alone should remove roughly 40 to 45 percent of the system’s coolant. The process is fairly universal, but some things can vary so, again, be sure to read the directions. Repeat this process at least three times. Thermostat: how it works, symptoms, problems, testing. If you want to switch coolant types, you can. Locate the reservoir cap on the engine and remove it. it removes old coolant, dirt, rust and other deposits. Just replace what falls. Shut the car off, check the fluid level in the funnel. By removing the thermostat, there's nothing. 1 gallon of BMW coolant and 1 gallon of destilled water should be plenty. So, again, since yours is pretty gnarly, you might consider draining, using a chemical coolant flush, like Prestone, per instructions on the bottle, then refill with the proper coolant, drive it a few days (~100 miles or so) then drain it again, change the thermostat and. However, don’t clean with water, unless you’ll have enough time to. Use your owner's manual to determine the proper amount of coolant that your system requires. Find out how to do-it-yourself in this week&39;s episode of Saturday Mechanic. Next, find the coolant drain plug on your engine block, which often looks like a bolt. Remove the radiator cap and pour distilled water into the radiator until full. Use a quality antifreeze and distilled water. As long as you have been using premix coolant or concentrate with distilled water and not garden hose water then i wouldnt worry. Draining the radiator alone should remove roughly 40 to 45 percent of the system’s coolant. I ran the car, and green coolant circulated through the system. To flush, drain the system and fill with water and super flush after removing the thermostat and replacing the housing. What I have done in the past on different vehicles is drained the radiator as you normally would from the bottom drain cock or removing the lower hose from the radiator, then after the radiator has drained, remove the upper hose from the radiator and hook up a shop vac in reverse (e. Open the drain valve and allow the. When it is up to me, I never use the red Dex-Cool, (Dex-Mud). Then, run the engine for 45-60 minutes. · You can just remove the top radiator hose and thermostat housing and let all . Another will have the system to 75% new fluid, so you are still gonna have some of the OE fluid affecting the color. With heavier cooling needs, the manufacturer adds additional cooling. Remove the three 12mm nuts holding the thermostat assembly in place. Do It Right, Do It Yourself! Step 3 Flush the Radiator Replace the hose and re-tighten the clamp holding it in place or close the radiator drain valve, if your vehicle has one. You will have a much better chance of completely filling the engine block and cylinder . I understand that the thermostat opens when the engine reaches normal operating temperature. Then, remove the cap completely. Remove the radiator cap and pour distilled water into the radiator until full. Flushing with an oil emulsifying chemical like L-11 and water, allow engine to warm up (as best you can) and run for at least 30 minutes to an hour. The word ‘hold’, or ‘permanent hold’, or something similar should appear on the digital thermostat. 5) fill radiator again with water. Flush until the water runs clear. Once Cooling system flushed out, replace thermostat, radiator cap and repair coolant leak. Our concentrated formula has advanced cleaning agents that will remove all of the build up from your vehicle’s cooling system due to regular use (or even many miles of neglect). The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. Reinstall radiator hose to the water pump for the clean / flush phase. Which, When Mixed With Water. 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. Place the bucket underneath and let the coolant drain out. When the coolant of the cooling system gets contaminated with lots of rust, contaminants, it cannot keep the engine cool. Wouldn't have removed an engine-block coolant drain even if I had . Typically, you should flush and replace the. Shut the car off, check the fluid level in the funnel. Here is how to flush out that stop leak from your cooling system and radiator. If we remove the thermostat before the “flush 4x with distilled water part”, could we get away with just running the engine for a few minutes for each flush? Not only would this save the time to heat the engine but it would also save the time to cool down the engine. Drain The Coolant. I ran the car, and green coolant circulated through the system. We know some shops that flush every system and replace with . With common workshop tools, you can have your radiator clean and flushed . Locate the coolant temp sensor. This saves you from having to OPEN the drain cock and it will pump out as much of the coolant w/o the hassle!! It works! Around 2. Nov 04, 2006 · Yes, you will get the coolant all over the place when draining the engine block. This is beneficial because it checks for leaks and other potential problems. Kill the engine, reconnect the thermostat and hoses, drain the radiator or overflow and put in 100% concentrated coolant at half the rated capacity of the system. Find out how to do-it-yourself in this week's episode of Saturday Mechanic. How to fill coolant in car. Remove upper radiator hose, insert water hose in radiator neck, open the faucet, turn engine on and let it run. Here's what you need to change coolant: New coolant (2 gallons) Air-powered refill tool (about $85) Air compressor Hose removal tool (about $4 from auto parts store or online) Shop manual to locate block drain plugs Drain pan Absorbent paper towels Wrenches and screwdrivers Start by checking the condition of your coolant when the engine is cool. Yes, performing a coolant flush is a good idea when you replace your car's coolant. When the thermostat is detached, the engine remains cool as the. If it were a head gasket and ignored the engine would be dead soon. blow mode instead of suck mode to put it simply), Then blow through the upper. Locate the drain plug. Most folks remove the thermostat to do the circulation (so you can fully circulate without waiting for the engine to heat up). Actually, you can change the thermostat in some trucks without draining the radiator. The only other thing you’ll need is BlueDevil Radiator Flush. 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 coolant level is low, add the correct coolant to the reservoir (not the radiator itself). Of course you could do that, but it tends to be quite messy and you loose the coolant. 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. 17 de jun. One is the regular way, and the other backflushing radiator to remove built-up grime that settles in small parts of the cooling system. Then, remove the cap completely. Get your car diagnosed by a professional. On the Corsica the exhaust crossover is over it and the throttle body is in the way as well. 4) drain radiator again. I have a question regarding the Prestone Flush/Fill Kit and its operation. Flushing the radiator. If you don't remove the passenger side plug, you probably could do an extra drain and fill. . calleacort