Merzed62

Thank you for this info. I have noticed that it doesnt start as easily, I figured it was due to that wire, I havent hooked it up yet though. I will do that tomorrow. do you have a photo of it so I can drive mine out of my sons front curve where my 1995 pathfinder just stopped and refused to run. I tested the ignition relay and solenoid which was fine. Even the starter motor runs perfect too. My wife installed a wireless starter years ago. The antitheft system got rained on and broke. She lost her reciepts. So I needed to have it run and drive it to my garage. Or else I'll have towed.

The lifters were the first suspect and we remove the valve covers on both sides and all are good-no late rise or slides or something to make a loud tapping noise. I changed all the connecting rod bearings with new OEM ones. But nothing sounds like this one.

My son just told my wife to put full synthetic engine oil and the usual oil filter and air filter for the usual oil change. After the the process, we started the engine and viola the tapping noise came out. They research and found out that the synthetic oil loosened the protective coating the engine parts(bearings and pistons) and went loose. So I came home to see the problem. We tried changing the oil to conventional oil of 5w-30 but it didn't take the noise away in spite of adding oil treatment. I looked at the forum and tried changing the connecting rod bearings(which was really a pain in the butt,removed the front differentials and oil pan just to get the crankshaft and replace the bearings)). Reinstalled everything back but the noise is still there. Is the connecting rod bad?I need really a good advice or I will just sell it.

It's been a while since browsing for answers for my Pathfinder and found most of it in these forum,very helpful and right to the point. Now I have to be in it. I don't intend of giving up my failing road runner and would still be upgrading her and beautify her.