![]() ![]() Flushing the coolant on a regular basis removes gunk and mineral deposits from your engine, while prolonging the life of your heater core, thermostat, hoses and water pump. If you spill coolant when you flush your Civic, be sure to put down cat litter to soak it up to discard it. The video above shows you where the petcock on your radiator is located, how to flush the coolant / antifreeze and how to burp the system to get the air out of your Civic.Ĭoolant is toxic and animals are attracted to the sweet taste of coolant (antifreeze). A trained professional should perform this service, Drivers may choose to handle this themselves Transmission flush cost: Typically, 125 to 250. When Is It Time for a Honda Civic Coolant Flush You may notice steam from underneath the hood or coming from the radiator The check engine light will. When you flush your coolant, which is antifreeze, on your 2007, you are draining out all of the old dirty coolant and preventing costly radiator and cooling system repair down the road. Like the oil in your Civic, coolant gets dirty over time and loses its ability to cool down your 1.8 liter engine. Turn off the engine and drain the water, fill up the radiator with antifreeze until you have a 50/50 coolant / distilled water mixture and burp the system. Fill up the radiator with distilled water and run the engine. This video shows where the radiator drain plug (petcock) is located on a 2007 Honda Civic. Start your coolant flush by draining the coolant / antifreeze that is in your reservoir, then drain the coolant that is in your radiator by opening the petcock or removing the lower radiator hose. In addition to preventing your car from overheating, coolant / antifreeze also helps lubricate the seals in the water pump and hoses. Coolant / antifreeze also passes through the heater core under your cowl to provide heat to the cabin of your Civic. Coolant / antifreeze circulates through Civic radiator and engine to maintain the proper temperature. I think it wont harm to spend few hundred bucks + some elbow grease every 2 years to have cleaner car intestine.Learn how to flush the coolant (antifreeze) in your 2007 Honda Civic. I guess manufacturers are increasing coolant change interval due to stringent law in western countries for coolant disposal. 10 years is very risky, what if coolant gets acidic in between (also my car is now 8+ years old). I am not 100% sure why Honda recommends 10 years coolant change interval. High fan speed seems to cool down coolant temperature which might result in delay for radiator fan to kick in.įrom now onwards I am thinking of changing coolant (just one time water flush, not multi flush like this) every 2 years. This video shows where the radiator drain plug (petcock) is located on a 2009 Honda Civic. Radiator fan kicks in at approx 100 degrees, confirmed this with OBD dongle + Torque Start your coolant flush by draining the coolant / antifreeze that is in your reservoir, then drain the coolant that is in your radiator by opening the petcock or removing the lower radiator hose. (+ other things like reservior clean,etc)įinally got all old nasty stuff out of cooling system and filled with fresh coolant + distilled water. Repeat till you drain clear water from radiator Run engine at idle for ~15 min(till radiator fan kicks in 2-3 times) (keep heater on at slow fan speed) Refit drain plug & refill with distilled water ![]() Drain radiator coolant by loosening drain plug It took me 7-8 flush cycles to get rid of all coolant from radiator + engine block. I did not want to open engine coolant drain plug at home (which can be messy for DIY), hence thought of water flushing radiator multiple times. Why 30 litres distilled water? Just radiator flush takes out ~3.9 litre of coolant, whereas remaining ~2.3 litre coolant is still present in engine block. Found that Drivol was the only coolant satisfying all needs + it's well know german brand. Silicates are nasty for cooling system over long run. ![]() Why Drivol coolant: For a week I checked all branded coolants available in local stored, was searching for Ethylege Glycol, Organic (OAT) based, non-silicate, non-borate coolant (just like Honda OEM coolant). Drivol Maxpro Ice coolant - 2 litre (220/- each, total 440/-) So thought of making hands dirty and spent last weekend to water flush complete coolant system. I don't believe on specs of local coolant + tap water is disaster on top of it. Some time ago, my mechanic made mistake of adding local coolant + tap water. ![]()
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