Ok so my 2001 blazer 4.3 is making a noise the noise is preety quiet the only place you can hear it is in the passenger side wheelwell it's almost like in between a tick and a knock and u can also here it when your under the vehicle but u can't here it when u just pop the hood and try to listen..and when u rev it up it doesn't get any louder it actually goes away or just gets really quiet. Any ideas? And I got a video of it just can't figure out how to load it

 

Any ideas ?? It hasn't changed or Gorton worse

 

Mine does that too. I think it's just the lifters ticking. When you hit the gas, the oil pressure goes up, so they get more oil and and quiet down.

 

Exhaust leak. sometimes the do get quieter when you accelerate.