Saturn5rocket Posted November 19, 2014 Share Posted November 19, 2014 The radiator fan is buzzing loudly when the engine is running. Is it toast??? Or is there an adjustment I can make?? Quote Link to comment Share on other sites More sharing options...
Saturn5rocket Posted November 19, 2014 Author Share Posted November 19, 2014 It's an 1984 Brat GL Quote Link to comment Share on other sites More sharing options...
l75eya Posted November 19, 2014 Share Posted November 19, 2014 Nice name. Does your brat have 2 fans, or 1? If it has two there is one electric fan and one mechanical fan driven by the water pump. If the noise is constant then it's probably the mechanical fan and what may be happening is the pulley bearings in your water pump may have failed and the pulley is loose allowing the fan to wobble around and hit stuff. See if the fan wiggles around, obviously with the motor off. If this is the case then you'll need a new water pump. Quote Link to comment Share on other sites More sharing options...
Saturn5rocket Posted November 19, 2014 Author Share Posted November 19, 2014 It has 1 and it's electric. For some reason it's wired to the ignition switch?!? So when you turn the key fan goes on. It buzzes intermittently while the engine is running. Quote Link to comment Share on other sites More sharing options...
l75eya Posted November 19, 2014 Share Posted November 19, 2014 (edited) Then remove it and spin the blades. See if its rubbing anything. Honestly, just get an aftermarket electric cooling fan on eBay, write it up, mount it and call it a day. Total cost around 40 bucks maybe and probably an hour of your time to put it in. Edited November 19, 2014 by l75eya Quote Link to comment Share on other sites More sharing options...
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