By contrast, extension springs are safer to work on, so replacing them is extra of a DIY project. http://[email protected]/php.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fmariskamast.net%3A%2Fsmf%2Findex.php%3Faction%3Dprofile%3Bu%3D3297507%3EGarage+Door+Repair%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Fforum.batman.gainedge.org%2Findex.php%3Faction%3Dprofile%3Bu%3D1101+%2F%3E