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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 02-20-2014, 11:48 PM
dubaholic2 dubaholic2 is offline
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Default Replaced fan clutch, now it's loud

When I was having the rear diff noise checked a few days ago we were sitting with the truck idling while we were discussing the rear diff noise and the "check gauges" light came on, and we found that the temp gauge was almost to red hot. Shut it off, popped the hood and found that the fan clutch was shot (not locking up). Went to Autozone that afternoon and bought a new one and replaced it, no biggie. The thing is that now when I start the truck and when you're over about 2k rpm, it's got a ton of engine noise. It goes away at times, but there is no rhyme or reason to when it makes noise. It always does it when cold, but will go away shortly, but then the noise will come back sometimes when your cruising and give it throttle. At first I questioned if I had put the fan on backwards, but I checked that and it's correct. Has anyone else run into this? The temp is within spec, but the noise really bothers me. Any insight is appreciated. Thanks, Ian
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Old 02-23-2014, 03:13 AM
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RogerRamJet RogerRamJet is offline
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Ian, I think what you're hearing is the fan pulling a ton of air through the radiator. You weren't used to it before because the fan clutch was weak or wasn't working at all. Now that you have a new fan clutch, it's pulling air which can be quite loud.
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Old 02-24-2014, 02:10 AM
mastertech10 mastertech10 is offline
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Its actually because you used a aftermarket clutch. I have noticed a difference between the OE and aftermarket clutch hubs I have installed for customers.
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Old 02-24-2014, 09:59 PM
dubaholic2 dubaholic2 is offline
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I got wise and decided to check it when it was cool and found that the clutch wasn't disengaging. I got another clutch and swapped it again and now it's acting pretty much like it should. Still a little loud at start-up, but the noise goes away pretty quickly now. Thanks for the input.
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Old 02-25-2014, 01:18 PM
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Quote:
Originally Posted by dubaholic2 View Post
I got wise and decided to check it when it was cool and found that the clutch wasn't disengaging. I got another clutch and swapped it again and now it's acting pretty much like it should. Still a little loud at start-up, but the noise goes away pretty quickly now. Thanks for the input.
Voonderbar! Thanks for the update!
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Old 05-25-2014, 09:36 PM
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hi , yes it is normal for you to get a ton of noise at startup then quiet down shortly after, then when it gets up to normal op temp it cycles especially if you hit it for a bit then back off
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