After alternator change

[abramthebest]

So I just changed both of my batteries and my alternator , and after I did so I went to take the truck for a little drive but I noticed real quick that it was a lot louder than normal and I don't know what it is ! It is coming from some where under the hood & it sounds like the truck is real heavy and forcing its self. The noise is like a loud vacuum sound I guess you would say and it's only when you press the throttle turbos seem to be working fine , does anyone have an idea of what it might be ? Or what I should do ?


6.4 f-250

 

[6.4powerstroke08]

I would check all the intake boots and make sure they are on and tight. I had that loud vacumn sound before and it was from an intake boot coming off.

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[ckrueg]

So I just changed both of my batteries and my alternator , and after I did so I went to take the truck for a little drive but I noticed real quick that it was a lot louder than normal and I don't know what it is ! It is coming from some where under the hood & it sounds like the truck is real heavy and forcing its self. The noise is like a loud vacuum sound I guess you would say and it's only when you press the throttle turbos seem to be working fine , does anyone have an idea of what it might be ? Or what I should do ?


6.4 f-250

what kind of boost is the truck making when it happens. It sounds like it could be overboosting. When my truck did it felt underpowered and the turbo noise was much louder.

So I just changed both of my batteries and my alternator , and after I did so I went to take the truck for a little drive but I noticed real quick that it was a lot louder than normal and I don't know what it is ! It is coming from some where under the hood & it sounds like the truck is real heavy and forcing its self. The noise is like a loud vacuum sound I guess you would say and it's only when you press the throttle turbos seem to be working fine , does anyone have an idea of what it might be ? Or what I should do ?


6.4 f-250

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[abramthebest]

It is boosting around 20 and when giving about full throttle is gives about 30


6.4 f-250

 

[Zmann]

fan clutch engaged ?

 

[abramthebest]

I'm starting to think that it's the belt that is put on wrong because it sounds more of a winding sound


6.4 f-250