I have a 2018 Ram 3500 6.7 Cummins and I have a squeal at start up for about 10 to 15 seconds then it goes away and gone for the day. Have changed the belt and checked pulleys and the noise is not coming from that. Wondering if anyone might have run into this before. Thinking maybe something in the fan clutch. Any help or ideas would be greatly appreciated.
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fan clutch
- Thread starter Rickster
- Start date
H3LZSN1P3R
You're doing it wrong
What belt was used? The tensioner and the green belt usually quiet it down. Did you see any build up on the pulleys/ harmonic balancer(in the grooves) from the old belt
It has had a Dayco and Gates Green belt, also tensioner has been changed. Pulleys are good. Doesn't sound like a belt.
64poncho
Member
Could it be alternator load, causing belt squeal?
MegaRed
Well-Known Member
Scaring the mouse that's got a nest in your air cleaner?