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#5: 08-23-2012, 10:19 AM
monkeyposeur's Avatar
Title: Flying W00t Monkey
Location: Salt Lake City, Utah
Car: 93 SS, 03 WRX 205/22T
Posts: 4,918
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It's a piece of cake to swap out. Disconnect the two fan harness plugs, remove the bolts holding it on the top, disconnect the upper and lower hoses, and it comes right out.

When you are filling up the new radiator remove the air vent on the passenger side of it (looks like a black plastic screw head), remove the radiator cap, pour in the coolant slowly (helps if you have a long neck funnel), and fill up the reserve tank. Squeeze the upper and lower hoses to help get air out. Put the vent plug and cap back on, run the car for a few minutes and add more coolant if necessary. You can jack up the front end of your car as well to make it the high point in the system which can help.

Don't freak out if your temp gauge shoots way up. It just means you still have some air in your system. Burp it again until the problem goes away. Don't take the rad cap off if the coolant is still hot, of course.