Originally Posted by razorboy

I should have done the search for "whistling noise" before I posted. This appears to be a common issue but caused by various things.

So far, everything I have read I have already replaced on my truck. The intake boot, the CCV, rebuilt DISA valve, Cam cover gasket, etc.

The problem is that it is so damn hard to isolate. Someone needs to bring the idle up enough for me to hear it and then outside, in the engine bay, there are so many other noises at that point it makes it even more difficult to isolate. I even tried using my engine stethoscope with the tip pulled out so I could point the open tube around and try to locate it but nope, it's a head scratcher.

That's why I ended up getting my buddies to smoke the engine to see if I could find a leak somewhere. Nothing, nada. I guess it will be one of those eureka moments that I come to whereby other forum members may be able to benefit.

Had one of those last week with my Jag XJ6 that the auto doorlocks had jammed in the locked position with no way of opening the door. Others had experienced the same thing and were dumbfounded how to get the door open. After all, how do you get the door panel off with the door stuck closed right? Anyway, figured out how to do it and got a lot of pats on the back for that one. Maybe I will get this one as well.

Cheers
Bernie