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927 Posts
Hey all,
I have noticed on my '07 5.7 that the cooling fan seems to engage all the time when starting from a stop (the engine is already warmed up but it runs after I stopped at a stoplight, stop sign, etc.) The problem (or annoyance I should say) is that the fan engages for a short amount of time then disengages at around 2500 rpm starting in 1st gear. It happens when the engine/coolant is cold, hot, when I have the A/C on, when I have the A/C off, Recirc on/off, warm outside, cold outside, pretty much all the time. The loud fan noise is a little annoying, but hardly a problem.
I posted this question in the '07 Forum and got limited answers, but they all tend to be the same answer; nobody else's seems to do this other than startup (no one has reported hot enough outside temps that it would run other than at startup).
Does anyone think I may have a faulty thermometer switch or fan clutch? I mean, if mine does it and no one else's does should even be concerned? is this an easy fix? Any suggestions? Should I just not worry about it? My 4Runner V8 didn't do this, so I'm a little concerned.
Thanks in advance!
I have noticed on my '07 5.7 that the cooling fan seems to engage all the time when starting from a stop (the engine is already warmed up but it runs after I stopped at a stoplight, stop sign, etc.) The problem (or annoyance I should say) is that the fan engages for a short amount of time then disengages at around 2500 rpm starting in 1st gear. It happens when the engine/coolant is cold, hot, when I have the A/C on, when I have the A/C off, Recirc on/off, warm outside, cold outside, pretty much all the time. The loud fan noise is a little annoying, but hardly a problem.
I posted this question in the '07 Forum and got limited answers, but they all tend to be the same answer; nobody else's seems to do this other than startup (no one has reported hot enough outside temps that it would run other than at startup).
Does anyone think I may have a faulty thermometer switch or fan clutch? I mean, if mine does it and no one else's does should even be concerned? is this an easy fix? Any suggestions? Should I just not worry about it? My 4Runner V8 didn't do this, so I'm a little concerned.
Thanks in advance!