2006 Nissan Quest Q&A
2006 Nissan Quest Question: tapping noise
This engine has valve clearance that are adjustable with various thickness "buckets" Its a big job to adjust them but that could be the noise. Have someone familiar with that engine/make of car look at it and say the noise is normal or not. Check it for oil and change the oil frequently. - patrick mannion
I have a loud tapping noise on start up that goes away when warmed up. With a scope it sounds like it is either coming fro...