Busted-up radiator fins with 10 years’ worth of embedded moths and grasshoppers don’t only look nasty, they also reduce the efficiency of whatever cooling system they’re serving. If a radiator’s still structurally sound, you don’t need to replace it — several manufacturers offer radiator fin combs that make cleaning out and realigning fins a snap.
Check the number of fins per inch on your radiator to determine the size of fin comb that you need. You can get a comb that’s meant for only one fin pattern, or you can go for a multi-combed, flower-looking unit with six or so combs that’ll work on several different patterns.
Radiator fins on an auto or A/C unit are usually delicate aluminum, so combing ’em requires a bit of patience and a deft touch — but if the finished product is a cooler-running car or a more efficient A/C that saves you money, the roughly $6 investment is well worth it.
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