![]() ![]() It is important to flush your car’s cooling system regularly for various reasons. In addition, you can drain the cooling system and refill it manually. It is first necessary to flush everything with a dedicated machine. A mechanic can flush your cooling system in a few different ways. Replace the coolant with a new replacement coolant as the final step.īy flushing your cooling system, you remove the old coolant and replace it with fresh antifreeze.įlustering your cooling system to protect radiators and other crucial engine parts is considered preventative maintenance.Īccordingly, the flush should be performed following the manufacturer’s service schedule. There is a bit more complexity involved in a coolant flush, and it is usually more expensive as well.īy using water pressure, flushing removes accumulated contaminants from cooling system passageways rather than letting gravity do it.Ī complete cleaning of the radiator and engine block is performed. But does Honda recommend a coolant flush for its vehicles? And if so, how much does it typically cost? What Is A Coolant Change Or Flush?ĭrain the old liquid from the radiator to change the coolant, then top it up with fresh fluid.Īdditionally, the technician can remove the drain plugs from the engine block, drain the coolant from the engine and cooling system components, and then refill with fresh coolant. One maintenance item that often arises is the coolant flush. As with any vehicle, regular maintenance is essential to keep your Honda running smoothly and to avoid expensive repairs down the road. I think it wont harm to spend few hundred bucks + some elbow grease every 2 years to have cleaner car intestine.Honda is a famous automotive brand known for its reliability and longevity. 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. ![]() Radiator fan kicks in at approx 100 degrees, confirmed this with OBD dongle + Torque (+ 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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