2005 ...I just started my truck and I am getting a knocking coming from what it sounds like the driver's side of my intercooler???? Any suggestions

 

Do you notice any difference in power? any obvious miss? mileage on the motor? What kind of oil do you run and is it cold where youre at?

Sometimes a loose vacuum line at the pump right there can sound like a knock, maybe check those lines

 

I didn't notice a difference in power but I shut it down as soon as I heard the knocking, no noticeable miss, the truck has 170,000 but I rebuilt the motor about 30,000 ago, oil i was using Rotella but the last 2 oil changes i switched to Mobile, and yes it's been really cold I'm in Montana

 

Maybe a loose valve up top slapping, If no miss then a rod shouldnt have been thrown??? I would take a look at that vacuum pump if you can, I know we've got today and tomorrow for a bit of warmth here, if you're anywhere near Bozeman I'd be happy to try and find some time to help out

 

I'm near Missoula....I appreciate the input I will check those out and hope for the best