Engine noise- stuck lifter?

[bob@tradeshowconsulting.c]

Been following, interested in several pics of the chain Gude since you have the cover off.. and if it firmly in place...what was the loose piece you originally showed ? what condition was the plastic on the guide and will you replace ?

[Tim555]

Originally Posted by bob@tradeshowconsulting.c

Been following, interested in several pics of the chain Gude since you have the cover off.. and if it firmly in place...what was the loose piece you originally showed ? what condition was the plastic on the guide and will you replace ?

It was firmly in place. The loose piece was the chain guide that is attached to the top of the cam cover. The plastic seemed fine and didnt have much wear. I don?t plan on replacing it. I?ll take some pics and videos of it when I?m home in a few days.

[Tim555]

I got the other side off by drilling out the two stuck bolts. I was then able to free them up with heat once the cover was off. What a pain in the ***. I did not find anything obvious that would be the cause of any noise or metal in the oil. Is it safe to pull the fuses for the fuel pumps and injectors and crank the engine over? Spark plug wires are also removed and plugs loosened.

[bob@tradeshowconsulting.c]

Tim,

I have removed the fuel pump fuses many times without a problem,
sometimes after a month or more of storage , I pull them to crank the engine to build oil pressure .. before starting

[Tim555]

Here are some videos of the noise with the cam cover removed.

https://youtube.com/shorts/QLG1ntYRF...3_FwigdtHKd5Hz

https://youtube.com/shorts/FWlOfSDEs...wdCUexmoP6U_Cw

[Jagdpanzer]

A word of caution.
The camshaft retainers that are installed under the cam covers are meant to hold the cams in place to facilitate the installation of the camshaft cover. They are a very loose fit on the camshaft. The smaller ones are not that strong and have been known to break if used by themselves to hold down the camshafts while rotating the engine. This is purpose for installing the 16 temporary camshaft retainers found in the Kent-Moore LT5 service tool kit.
IMG_1798.JPG


Sent from my iPhone using ZR-1 Net Registry

[A26B]

Camshaft Retainer Set also found here.
Can be rented or purchased outright. See ful description for details.

https://www.jerrysgaskets.com/tool-s...m-timing-14b2/

[A26B]

Originally Posted by Tim555

It was firmly in place. The loose piece was the chain guide that is attached to the top of the cam cover. The plastic seemed fine and didnt have much wear. I don?t plan on replacing it. I?ll take some pics and videos of it when I?m home in a few days.

If I understand you correctly, the steel guide was loose from the Cam Cover?

If so, I suggest you remove both screws, clean the screws & the tapped holes with brake cleaner & blow dry before reinstalling with Loctite 262 (red high strength) You absolutely do not want it to come completely loose & get caught up in the timing chains. It has happened before.

Otherwise, I understand the plastic facing was firmly attached to the steel guide. Correct?

[Tim555]

Originally Posted by A26B

If I understand you correctly, the steel guide was loose from the Cam Cover?

If so, I suggest you remove both screws, clean the screws & the tapped holes with brake cleaner & blow dry before reinstalling with Loctite 262 (red high strength) You absolutely do not want it to come completely loose & get caught up in the timing chains. It has happened before.

Otherwise, I understand the plastic facing was firmly attached to the steel guide. Correct?

It could be moved slightly, side to side, but I can?t get it off with just my fingers.

I did take a look at the timing chains and noticed something very strange. On the passenger side there were all these scrape marks on the side of the head. It was hard to get a picture of, but I attached a few that turned out ok. Is it possible for the chain to move this much with a bad tensioner and cause that? That would explain the metal in the oil and the elevated aluminum and iron that the used oil analysis showed. That cam cover did have 9/14 written under it in sharpie while the other side was blank, so maybe it?s old damage that was repaired?

[Tim555]

Pics didn?t attach. I?ll try again