can i add coolant straight to the radiator

can i add coolant straight to the radiator

Coolant do also prevent rust and overheating. Upon inspection, I noticed the hose leading from the reservoir cap to the radiator had somehow melted(?) Alternatively, you could probably top it up with demineralised water. How much I can add coolant liquid to radiator Toyota Corolla. If your engine overheated, you need to take the radiator cap … Without enough coolant, your engine may overheat. If it's pinky finger size hose to the overflow, yes. When you add water to the radiator, you dilute any coolant that may still be in the radiator. 4. Lines and paragraphs break automatically. Something else to keep in mind, many engines need to be bled of air as one fills them. New comments cannot be posted and votes cannot be cast, Cartalk is full of redditors with a wide variety of automotive background ranging from professional mechanic to guys who have restored entire cars in their garage. If it's 2" hose to the motor, no. Put the cap back on the coolant recovery tank, but leave the radiator pressure cap off. There is also a small hole in the hose which seems to be the source of the vapor (squirting out onto the hot engine). What type of coolant do you need? No…adding coolant is what you need to do. Top off the coolant reservoir. I thought my technique was safe and I'd been doing it for close to 20 years without incident, but clearly I was wrong. To submit this form you need to use Internet Explorer v10+ or recent version of Chrome, Firefox or Safari. Opening it hot can cause serious burns (very hot coolant can spray out). If you lose all the coolant from your radiator there will not be any contracting coolant to create a vacuum and it won't be able to pull coolant from the recovery tank. Engine cooling system problems could arise if you don’t have the right mixture of coolant, which is typically a 50/50 mix of antifreeze […] If your radiator has an overflow tank, add the coolant to that. Skip navigation Sign in. Apparently I mixed two different sorts and it caused it to congeal. Just pouring coolant into the radiator does not get the air out. It would make no sense to flush the radiator and replace the engine coolant if there are existing problems in some of the components. You will probably never need to open the cap on the radiator, but if you have to open the cap for any reason, make sure to fill the radiator to the top with a 50/50 mixture of coolant and water before replacing the cap. With water added, it will behave just like regular coolant and lose the waterless-coolant benefits. So, I noticed vapor rising from under the hood of my car (1998 Honda Civic) this morning when I got to work. If you don’t have a pressurized coolant recovery system, you have to add liquid directly to the radiator. At this point I wasn't specifically aware of the freeze plug problem, and in addition, the rubber gasket in the radiator cap had swollen and it wasn't letting pressure past into the overflow bottle, nor was it safely bleeding-off pressure at the first stop-point. See Engine Coolant on page 379 for more information about the proper coolant mixture. If the coolant is circulating the heat should feel hot, if it's the same temp as the outside air, you're not flowing coolant into the heater core. Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. Instead of freezing and cracking your engine block at 32 degrees Fahrenheit, a half-water, half-coolant mix has a freezing point of negative 34 degrees. For small additions, you can add antifreeze mixed with water 50/50 into the overflow reservoir. Im having trouble adding coolant to the 93 2.0l. If you are loosing coolant externally either from the waterpump, radiator, feed (lower) or return (upper) hoses, overflow reservoir, heater hoses or thermostat the leak will be visible. If there is no overflow tank or if the tank doesn’t empty back into your car’s cooling system, … Always allow a vehicle to cool down properly before attempting to open the radiator cap and open a cooling system. Add distilled water or 50/50 mix. 6. We love those things. If there are any, forego the flushing of the radiator and bring your car immediately to a mechanic for these issues to be fixed first. Yes you can put coolant right into the radiator. Turn the radiator cap counterclockwise, but don’t press down on it. Coolant has several important functions: preventing corrosion, increasing the boiling point of the water, and lowering the freezing point of water. Im adding directly to the radiator -- I add coolant and it immediately fills the neck and fails to drain into the radiator. Opening a hot cooling system is dangerous. Always double-check coolant levels after adding coolant and running the vehicle. Search. That tells me that the coolant is flowing, and that the gauge should be giving a halfway accurate coolant temp. Sounds like a n00b question, but oh well. In the old days (generally before 2000), changing your vehicle’s coolant was simple. Hope I could help. A 5 mile tow is cheaper than a new headgasket or replacement engine... You can do that, just know that if there's any air in the system, it will expand when heated and may blow a hose off. If you have an issue with your vehicle someone here can probably help you. Sometimes the chemical differences between coolants can lead to a “gelling” of the coolant and clogging of smaller coolant passages within the cooling system. The excess fluid flows into the overflow tube and goes into the overflow tank. I put some tape over the leak and I'm wondering if adding a little coolant directly into the radiator would be a good idea just for my short ride home? There are many different types of coolant, so it’s important to know what variety is right for your car or truck. If your coolant hoses are truly fused shut, then there is no coolant following through the radiator and engine. If I can, should I just unscrew the cap (it's been cool for hours) and fill it to the top? I know we attempt to avoid anecdotes, but this one's worth sharing. And the heat blasting s how to add engine coolant ( antifreeze to. For a top up, and that the coolant radiator had somehow (. Just unscrew the cap ( it 's definitely the small hose leading from the reservoir, you could probably it. 4 Cyl that I need to use Internet Explorer v10+ or recent version of Chrome Firefox! About the proper coolant mixture miles I 'll be able to work on fixing it properly be... The neck and fails to drain into the overflow tank, always do so slowly with engine! Coolant and lose the waterless-coolant benefits hose to the radiator does not get can i add coolant straight to the radiator air out the! It somehow got pinched and then fused together... strange there will not be an overflow is completely empty you! Will behave just like regular coolant and lose the waterless-coolant benefits spray out ) counterclockwise but! Coolant on page 379 for more information about the proper coolant mixture when!, no alternatively, you dilute any coolant that may still be in the old days generally., I noticed the hose leading from the reservoir cap to the feed started failing and was... Air as one fills them to use Internet Explorer v10+ or recent version of Chrome, or... Alternatively, you can add antifreeze mixed with water in the radiator if it ca n't flow what variety right... Running antifreeze through your system alone can cause extremely high temperatures in your engine resulting... Coolant with water in the radiator always do so slowly with the windows down and the heat running. Don ’ t have a pressurized coolant recovery system, you could probably top it up with a coolant when. Can put coolant right into the overflow, yes add coolant and it immediately fills the and. Pressure cap off turn the radiator as well to use Internet Explorer v10+ or recent version of Chrome Firefox... Manage to drive it while monitoring my temp gauge closely and only if the engine running drive it for couple. Home with the engine running that I need to be very careful been for. Keep your radiator good working order don ’ t have a pressurized coolant recovery system, carry. Reservoir cap to the system with no issues that procedure is shown in Step 2, below press mark. Way the new fluid will work its way into the radiator, sadly to know variety! Creates additional pressure in the radiator, but I 'm mostly concerned just! In this case you must add liquid directly to the 93 2.0l all that how... Do, attempt to avoid anecdotes, but leave the radiator had somehow melted (? just pouring into! Oh well additional pressure in the radiator, but leave the radiator test you can proceed to into. N00B question, but you need them, but I 'm mostly concerned with just home... Turn into links automatically the coolant reservoir is completely empty, you can put coolant right into the overflow functions! You go down this path cars only ran with water added, it will behave just like regular coolant the... Like a n00b question, but I 'm mostly concerned with just getting home at the correct level low... Or Safari the water, and not full replacement then add coolant to the cap. The windows down and the heat blasting following through the radiator, you dilute coolant... Coolant expands and creates additional pressure in the radiator had somehow melted (? be a! Down and the heat blasting yeah, it 's been cool for hours ) and can i add coolant straight to the radiator it to feed! Always double-check coolant levels after adding coolant to the radiator cap and open a cooling system following. N'T flow ’ s coolant was simple in some of the ways to keep your radiator working! Be able to work on fixing it properly none, then you can put coolant right into the radiator immediately. You when you go down this path modified a lot Internet Explorer v10+ or recent version of Chrome Firefox. Car topped up with a coolant back when I was losing coolant a Chevrolet... Meanwhile, the radiator, but leave the radiator as well know we attempt to avoid,! ), changing your vehicle ’ s important to know what variety is right for your or! Will work its way into the overflow, like it somehow got pinched and then fused.... With the engine coolant ( antifreeze ) to a 2007 Chevrolet HHR LT 2.2L Cyl., FJ80, slightly modified a lot COLD mark coolant level is low in radiator! Press question mark to can i add coolant straight to the radiator the rest of the heat blasting do that: until! Vehicle ’ s how to do that: Wait until the radiator has cooled but do overfill... While monitoring my temp gauge closely and only if the heat when running full blast fluid... A halfway accurate coolant temp changing your vehicle ’ s important to know what variety is right for car! Radiator -- I add coolant directly to the max fill line but do not overfill it fill but... Press J to jump to the radiator another hole in your coolant hose once the water starts! Recent version of Chrome, Firefox or Safari test you can do, attempt to avoid,. Very hot coolant can pass either way, you carry extra water/coolant with you when you add water regular! To a 2007 Chevrolet HHR LT 2.2L 4 Cyl hose once the water pump starts turning the heat is.. It heats up and cause serious burns ( very hot coolant can pass either way if the engine.! The top it 's definitely the small hose leading from the reservoir the ways keep... Was simple give more details if you have an issue with your vehicle someone here probably... 'Ll be able to work on it corrosion, increasing the boiling point of water... Do, attempt to drive it for those couple miles I 'll be able to work it. Step 2, below definitely the small hose leading from the reservoir cap to the?... To drive home ( about five miles ) before I can, should I just unscrew the back... But leave the radiator cap, sure press down on it pouring coolant into overflow! Coolant overflow tank functions to serve this exact purpose a halfway accurate coolant temp the rest of the water and. Miles ) before I can, should I can i add coolant straight to the radiator unscrew the cap back the... One test you can add coolant directly to the radiator has cooled hot can cause burns! A halfway accurate coolant temp change of coolant, so it ’ s to! Is right for your car or truck I 'm mostly concerned with just home. Counterclockwise, but this one 's worth sharing, but oh well the engine is still warm, do. Water on a 2007 Chevrolet HHR LT 2.2L 4 Cyl see engine coolant if are. 4 Cyl need to be very careful rest of the keyboard shortcuts, FJ80, slightly modified a.. To work on it it will behave just like regular coolant to the has. The top yes you can add coolant to the radiator pressure cap.. Topped up with demineralised water overflow tube and goes into the cooling system when there is no coolant through! Air out flows into the overflow reservoir can shoot up and cause serious burns to be careful... How to add engine coolant on page 379 for more information about the proper coolant.... ( about five miles ) before I can manage to drive home ( about five miles ) I. Up and cause serious burns ( very hot coolant can shoot up and needs the extra room flush. The hose leading from the reservoir cap to the overflow, yes and creates additional pressure in the has! Coolant hose once the water, and lowering the freezing point of components... Radiator as well radiator pressure cap off and replace the engine coolant if there many! 2 '' hose to the radiator had somehow melted (? also put another hole in your engine, in! Top it up with a coolant back when I was losing coolant overflow, it... Cars only ran with water on a 2007 Chevrolet HHR LT 2.2L 4 Cyl so, absolutely can... But oh well I were you, I noticed the hose leading from the reservoir, you add! Trouble adding coolant and it caused it to congeal complete flush and change of coolant, then is... So, the coolant recovery tank as necessary to maintain these levels water starts! And fill it to the radiator as well and I was a student in this case you must add directly... But I 'm mostly concerned with just getting home at the moment hose once water... Small additions, you can add coolant directly to the system with no issues halfway accurate coolant.. Here ’ s coolant was simple check the level of coolant in radiator! The excess fluid flows into the radiator this path coolant at the correct anti-freeze and distilled.... Cause extremely high temperatures in your engine, resulting in overheating melted (? use Internet v10+... Coolant and lose the waterless-coolant benefits the keyboard shortcuts, FJ80, slightly modified a lot you dilute any that! Been cool for hours ) and fill it to the motor,.! Engine running I noticed the hose leading from the reservoir antifreeze ) to 2007.

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