turbotoast

I have an 04 6 speed 350 with 100K on it. It is factory in every way except for an exhaust. It runs beautifully with no hesitation and no loss of power.

It developed a ticking noise, and using a automotive stethoscope I have pretty much pinned it down to coming from the middle to back area of the passenger's side valve cover. It is a very mechanical ticking and stays in line with the RPMs of the motor. The higher the revs the quicker the noise. I can't hear it unless I'm beside a building or outside the car, but it is very distinct when I can hear it. I'm planning on checking valve clearance this weekend, and assuming it's a clearance issue I will have to change the shims.

My question is do you really have to remove the cams to be able to change the shims? The service manual says that is what you have to do, but I have seen tools used like this one

http://www.ebay.com/itm/Nissan-Overh...959#vi-content

to be able to remove the shims and put new ones in. I have seen it done on other cars with a bucket shim setup, but never on a Z.

Thanks ahead of time

So it turns out it was my fuel damper. Confirmed both by holding the line and feeling the line pulse in time with the noise and by putting a automotive stethoscope on the damper itself. Hope this helps people in the future.

jerseystyle

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