![]() Presuming what comes out looks pretty clean, the flush part of the job is done, then I refill with fresh coolant. Starting with a cold engine, and the inside heater control set to MAX, I drain the radiator, then re-fill with tap water, idle the engine in the driveway to operating temperature, turn it off, and let it cool down completely. Not saying this is the best way, but my Corolla is over 25 years old, over 200 k miles, and only had to replace the radiator and thermostat once in that time. It probably won’t cost much more than aftermarket coolant anyway. ![]() Suggest to purchase the coolant at the Toyota dealership. I stay clean and neat while maintaining coolant and transmission fluid, virtually no clean-up, the fluids stay clean, and I save money and get the job done on my schedule. ![]() Because I am careful to measure fluid removed, compared with the exact amount replaced, I know when the system is filled/bled correctly. Some of the coolant gets added into the reservoir. It is very easy to bleed and fill using directions in my GM Factory Service Manual. Surprisingly, I can exchange almost all the coolant in the system by using this method (according to cooling system specs for my vehicles)!Īlso, my GM cars have small brass coolant bleeders on the high point of the system at the thermostat housing. I have a beer and listen to the Rolling Stones or Bee Gees. Sarge goes for breakfast during his cooling system service. The coolant is drained directly into gallon jugs sitting on the driveway, no fuss, no mess. Then I use a small plastic syringe (a couple bucks, sold in auto department of Wal-Mart) to create a suction and begin a siphon. I put in the amount that I take out.īack to coolant… I periodically run a small diameter plastic tube straight down the side of the radiator tank, directly below the cap/neck until it bottoms out in the radiator. I have a Liquid-Vac that I use to periodically extract most of the transmission fluid through the dipstick tube, no fuss, no mess, goes right into bottles. I do as much car maintenance as I can from the top of the car. I’d use the specific coolant required, not some universal stuff. Unpressurized fluid boils at a lower temperature.ĭoes it have to be genuine Toyota Super Long Life Coolant? And how many gallons do I need when flushing the engine coolant? Do NOT allow it to heat up with the radiator cap off. Park the car such that the radiator fill hole will be the highest level in the system and run the engine with the radiator cap open and the heating system ON to open the path to the heater core. Your car has no such protection.Īnd be sure you burp the air out well after refilling. ![]() Your stomach contains enzymes to protect it against the hydrochloric acid it uses to break down food. Safe to drink, but not safe to use in the car. While safe to drink, a lot of tapwater contains high levels of minerals and, in the case of the water I had from my last house, is highly acidic. I can tell you from experience that using tapwater can cause problems. I also agree with using only distilled water (about $1/gal at any grocery store) if you buy the “concentrated” antifreeze and mix it yourself. I drin it by disconnecting the lower radiator hose. I agree with the practice of draining as fully as possible and refilling. ![]()
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