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Tech & Fab
Aux Fan issue
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<blockquote data-quote="Lead Foot" data-source="post: 1393393" data-attributes="member: 19129"><p>The aux fan kicks on when, (A) you have the AC on or (B) the engine temp is above 210. Your engine could be teetering up and down around that temp so the fan will kick on, cool the engine back down then turn off once lowered. It heats back up, turns on again then cools down and kicks back off. So on, you get the point.</p><p></p><p>Happens all the time to me while im wheelin. If its doing it on the freeway or even everyday driving your probably running a little warm. Need a new thermostat or low on coolant or need the radiator flushed. If you get muddy alot make sure the radiator fins are clean.</p></blockquote><p></p>
[QUOTE="Lead Foot, post: 1393393, member: 19129"] The aux fan kicks on when, (A) you have the AC on or (B) the engine temp is above 210. Your engine could be teetering up and down around that temp so the fan will kick on, cool the engine back down then turn off once lowered. It heats back up, turns on again then cools down and kicks back off. So on, you get the point. Happens all the time to me while im wheelin. If its doing it on the freeway or even everyday driving your probably running a little warm. Need a new thermostat or low on coolant or need the radiator flushed. If you get muddy alot make sure the radiator fins are clean. [/QUOTE]
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