An anti-freeze leak can cause the temp sensor to record high engine temperatures in a 2003 Honda Accord. If you ignore a small coolant leak long enough, you will run out of coolant, which leads to an overheated engine and other serious, but highly avoidable, problems. This video shows you where the coolant reservoir, hoses and connections on your 2003 Accord LX are located and the steps needed to fix minor leaks.Ī few things to note about coolant is that it is sweet tasting and highly toxic, so it can end up in the dog's stomach pretty quickly. Capacity Plastic Material Irregular Shape Twist Cap Type Includes 1 Coolant Reservoir and 1 Cap Quantity Sold : Sold individually Warranty : Lifetime Dorman limited warranty. Otherwise, your Accord may have a radiator leak. However, a coolant leak (aka an antifreeze leak) is most likely to occur where the hoses connect to the engine or radiator. The Honda Accords radiator cap controls the pressure inside the cooling system. Coolant / antifreeze can leak from the reservoir, radiator or any hose, in 2003 Accord with the 3.0 liter engine. Check Level - Determine the coolant level 7. Find Reservoir - Locate the coolant reservoir and clean it 6.
#2003 honda accord coolant reservoir cap how to#
Open the Hood - How to pop the hood and prop it open 5. Assess Leak - How to determine if the leaking fluid is coolant 4. Set Up Paper - Position paper and mark wheels 3.
Engine coolant (which is also called antifreeze or anti-freeze) moves through the inside of your Accord engine and keeps it from overheating. Getting Started - Prepare for the repair 2.
If you are often adding more coolant to the reservoir, you might have a leak. The coolant reservoir collects the hot coolant for recycling back into the radiator once it has cooled down. Leaking coolant / antifreeze is one of the more common types of leaking fluid from Accord engines. As your engine heats up, the coolant expands and may overflow. 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.Follow the steps in this video to see how to fix minor coolant (antifreeze) leaks in your 2003 Honda Accord. If you spill coolant when you flush your Accord, 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 Accord.Ĭoolant is toxic and animals are attracted to the sweet taste of coolant (antifreeze). When you flush your coolant, which is antifreeze, on your 2003, 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 Accord, coolant gets dirty over time and loses its ability to cool down your 2.4 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. You have a coolant leak: If your coolant is leaking, it could mean your radiator cap is bad. This video shows where the radiator drain plug (petcock) is located on a 2003 Honda Accord. 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 Accord. The upper radiator hose looks normal to me, I can squeeze the hose when the car is stone cold and when its hot, the hose is very firm and. It fits very tight to the elbow in the reservoir cap. Coolant / antifreeze circulates through Accord radiator and engine to maintain the proper temperature. My car is a Honda Accord EXR 2000, 4 cyl, 112,000 miles I have owned the car for the past 6 years. Learn how to flush the coolant (antifreeze) in your 2003 Honda Accord.
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