How to Replace a Radiator in a Honda Accordby ContributorUpdated November 07, 2017
Items you will need
2 resealable containers
How to Replace a Radiator in a Honda Accord. If you take good care of your Honda Accord, it will continue to run for many miles. Part of this means resolving problems, such as a corroded or damaged radiator, as soon as they arise. If you have some mechanical skill, you can save money by replacing the radiator yourself. Here's how to replace the radiator in the 1998 to 2002 model Honda Accord.
Loosen the plug on the bottom of the radiator and drain the engine coolant into a resealable container.
Remove the upper radiator hose and lower radiator hose. If your Honda Accord is equipped with an automatic transmission, disconnect the automatic transmission transaxle cooling lines. Plug the lines and radiator fittings and drain the tubes into a separate, resealable container.
Unhook the radiator cooling fan electrical connectors. Remove the support brackets on the upper radiators and cushions and lift the radiator up and out of the engine compartment.
Unfasten the clips or screws that connect the cooling fan to the radiator and connect them to the new radiator.
Install the new radiator and reconnect all engine components in the reverse order in which they were removed. Open the valve on the thermostat housing a half turn, and set the heater to the "Full Hot" position.
Fill the new radiator with a mixture of half engine coolant and half distilled water, squeezing the hoses to force out air. Once you see a steady stream of coolant, close the valve.
Put the radiator cap on very loosely and start the engine. Allow it to run a few minutes, then turn it off and top off the engine coolant, if necessary. Put the radiator cap on securely.
Be environmentally friendly and reuse engine coolant if it isn't too old or contaminated. If you choose not to reuse it, take it to a garage or hazardous waste facility where it can be disposed of properly.
Wear protective clothing, gloves and eyewear when replacing the radiator in your Honda Accord. Never open the radiator cap if the temperature of the engine coolant is 100 degrees or more, as serious burns can occur. Always drain engine coolant into a container that can be tightly sealed and clean up any spills immediately. Children and pets can be attracted to the sweet taste of antifreeze, which can be fatal if ingested.
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