Recent content by aeg1212aeg

Yea the last time I checked the flexplate bolts they seemed fairly tight, that could be part of the noise I hear. Not too long ago I slightly tightened the flexplate bolts, seafoamed through the intake, and changed the oil with 5 quarts 10w-30 and 1 quart MMO and the noise seemed to be gone for...

I even attached a video this time lol. Let me just state I have searched this forum up and down to find out what it is, but all the posts had no conclusion. Any ideas are appreciated.

2000 Jeep XJ Sport 4.0L Auto 133,600 miles. I have posted before about this noise and I am stumped. I am tired of searching, my buddies and I have listened, looked, searched. worked, and tried to figure out what is causing it. I have put 10,000 miles on the jeep and have just began to ignore...

I am really interested in what's causing the vibration since I have this same issue.

Cool.... Best advice ever, Anyway I will check the flexplate bolts and I keep up with the coolant level and it is always at the neck, I just think the noise is characteristic. Anyway thanks everyone

Ok, I'll have to try the hood vents. I've read a lot about the piston slap which seems normal on these 4.0's and considering my step dad's knocks like crazy at start up but runs all day with 200K on it. I'm not too worried about the knock, but am now wondering why it started now? Any...

I have a 2000 Jeep Cherokee Sport 4.0 129,000 miles and I purchased it back in December for all this snow we got in VA. Anyway it ran and sounded great, it was previously owned by a mechanic and here we are.... Recently I have noticed an intermittent hollow knocking sound until it gets warm...