PeachParts Mercedes-Benz Forum - View Single Post

layback40 · #7 11-17-2010, 07:25 AM

X2 with Alastair.
BTW the decimal point is in the wrong place ! ...Its the Piston Size, Plus this 0.30mm..
Should be .030 clearance I think.

make sure you use plenty of oil when you are putting it back together. It doesnt hurt to have the rings dripping wet with oil & the bores like wise.
Same goes for the bearings. At least 1/2 ltr of oil used is what I would expect. You cant have too much, it will just drip off anyway.
Tip a ltr into the the filter housing when you fill the motor, I know I am getting ahead of you now. When you come to starting it make sure the injector lines are cracked until the oil pressure has come up so there is no chance of it starting before everything is full of oil.
No doubt we will cover this again later.
Good luck getting the piston/rings in. A ring compressor is the only safe way. Try & install the pistons the right way so they dont need rotating to have the bearings line up. dont forget to align the gaps at 180deg. Could some one else comment on that as it has the gap in the scrapper lining up with the top ring gap. Maybe the 3 ring gaps should be done at 120deg locations. I have only worked with new 3 piece scraper rings that dont have gaps like that.