Cylinder liner question

jfharper

Member
Doing a rebuild on an ad3.152, and in fixing a thrust washer issue where they were too tight, I decided to take the rods off the crank so I could figure out how the crank turned without the pistons attached. In doing so, I pushed the rods with pistons out and one of my liners pushed out.

I think the liner is OK, it just fits in sort of loose. When everything was dry, this liner would not fall all the way in under it's own weight, but maybe 65% in, then would stop. After lubricated, and with piston and new rings, obviously it is loose enough to push out.

Should I order an OEM liner (other was A&I) that will most likely fit tight? Or should I just put it back in and put some loctite recess holder stuff on it to get it to stay...this may be easier and cheaper and save me having to hone new OEM liners. I've already finish honed all the liners, if I get new ones, I'll have to remove the crank again, and I'm trying to save my tab washers.

What do you think?
 
loctite has worked for me in the past. is it a wet cylinder? if so i would repalce the o rings if its not new
 
Drop it in with some loctite flange sealant on bottom edge and the head will lock it in place when the gasket and studs are torqued down.

Newer Isuzu Medium duty truck engines run loose sleeves over the road at 2600 RPM in 7.8 Duramax inline six engine... As they run down the road the oil seeps up between the block and liners, they pull out with very little resistance. If it works in 300HP OTR engines should work in 3.152 with no stress...
 
that's just what I'll do...thanks.

This engine rebuild had been quite the learning experience. :wink:
 

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