[metro273]

On the 3.5s like yours, MOST likely it has a broken timing chain guide!

 

[metro273]

^^^We do plenty under the PT warranty!

 

[metro273]

^^^Yup! Pretty much any year and any Nissan with the VQ in it.

 

[metro273]

There are actually 2 problems with these VQs!
1 - A rattle from the timing chain area. Broken timing chain guide, that now has slid down and now the tensioner isn't positioned where it should be!

2 - A whining or buzzing sound from timing chain area. Becomes more high pitched when rpms get higher! This is the worn camshaft tensioner guides. This problem is MORE labor intensive!


Problem 2 is notorious on the newer 4.0 engines, found in the new bodystyle Pathfinders, Xterras and Frontiers!

 

[metro273]

^^^Miles so low that the cars are still under the powertrain warranty!

I just did this job on an '05 Altima, with the 3.5 in it and it had 138K miles on it!