ticking. Fan Cluch? Pulley? Belt?

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Cummins3

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Noticed this ticking noise has anyone noticed this same noise on theirs??? Ticks with climate controls on or off.





 

Fast69Mopar

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Noticed this ticking noise has anyone noticed this same noise on theirs??? Ticks with climate controls on or off.
That sound appears to be coming from the serpentine belt. It could be the bearing in one of the pulleys but that sounds like the belt to me.




 
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Cummins3

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Bad belt? Don't wanna be throwing parts at it how can in 100 percent sure
 

Dennis Shellito

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The idler pulley on these trucks tend to get loose with some miles. Maybe that is what you are hearing. I installed an new idler on my truck when I did the strictlydiesel fan clutch conversion while I was into it, but mine was actually still in decent shape. I can't hear the ticking in the video but I don't hear so well anymore.
 

Fast69Mopar

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Bad belt? Don't wanna be throwing parts at it how can in 100 percent sure
Get a bar of soap and rub it on both sides of the belt in as many places as you can. If you're careful enough you can do it like me and coat the belt while it is running. If the sound goes away it times for a belt. If not then I'd look at the pulleys.

Most of the time I can get enough soap on the belt while the engine is off to determine whether it's the belt or not after starting the engine.
 
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Cummins3

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Truck has 2000 miles... Not much..... Clicking is there listen closely..... I'll try the soap I don't think it's the belt almost sounds like fan clutch on and off but idk how to confirm or deny
 

OLEJOE

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Take the belt off and try it. Is the fan engaging and disengaging?
 

Audiowriter

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To me it certainly has a rhythm to it like it has something to do with the revolution of the belt
 
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Cummins3

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Ya I think it's fan clutch but havent had time to look into it
 

OLEJOE

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My fan clutch went out at 5169 miles. Look at the fan while it’s turning. On the side toward the engine, look and see if it has a darker color stripe on the blades in one particular spot. Mine had grease running out of the clutch. Feel around on the fan blades. The grease in the clutch is very sticky.
But the grease is clear and will only show up when it gets dirty.
 

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Another old-timey trick to check a belt for slippage was to use an old toothbrush and toothpaste. Just get some paste onto the belt while it's running and you'll know if the noise goes away. NOTE: this only a temporary, troubleshooting fix, but works on clothes dryer belts, v-belts, serpentine belts etc. Use care of course. :893karatesmiley-thu
 
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Cummins3

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So brought my truck In for my clicking noise not the Cp4 another clicking noise and it wouldn't do it when there of course....I'm starting to think its temperature related. It's getting hot here in new England and the noise maybe gone away for summer... Anyone else experience this??
 

crash68

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It the noise happening while the AC compressor is on or off?
 
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Cummins3

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Even though it makes it when comptessor is on or off this time the AC was on...

Went to dealer today to pick up a part and it happened to start making noise. I went inside and asked mechanic to come take a listen and he confirmed it's coming from belt area. Not sure what it is I made a appointment I might have to cancel if noise keeps going away and coming back might reschedule until it constantly make noise so I'm not wasting my time.
 
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Cummins3

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So changed out my tensioner and belt with gates..... As of now no noise.... The stock tensioner denso I think is garbage.... Let's see if it stays gone
 
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