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Hi . Dont take this as gosple cause i havent done this yet. First you need to locate the drain for the rad. Some one on this site suggested that it may be on the right corner of the rad when you are facing the car. Seems you need to attach a piece of hose to it for proper drainagee since it comes out of the side or somewhere there abouts???????. There may also be another drainage hole located somewhere on the engine block somewhere on the passinger side . Now, I am not sure of this so I am going to check for myself. Now, if you manage to locate all these dranage holes then the rest is easy. Remove the coolant cap when the engine is cool, open all the dranage holes and let all the coolant escape. Pour in rad flush,tap up with WATER (clean)and run engine with AC on high fir about ten minutes. Open drainage and let everthing out>. Fill engine with clean water and run for another ten minutes then drain> Mix 50/50 dex-cool and water and fill to just below cold mark. Turn engine on let warm up, shut engine off let cool down and then fil to cool mark . Done

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โˆ™ 2006-06-28 03:11:01
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Q: How to flush radiator on 98 cavalier?
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