Mercedes Benz TD2.2cdi

[denata]

Mercedes Wives, last summer began to work poorly, stood all winter. TurboDiesel 2.2 liter common rail OM611.961, He removed the head and there was something dancing in the 4 cylinder. The intercooler pipe was torn, most likely a pebble was sucked in. Lunar landscape. Houston we have a problem.

 

[Will L.]

Wow, that’s no fun. Better have a really close look at the turbo.
Normally that much damage and I see glow plug tip missing. Was that plug replaced for hard start by chance?

This is a reason I wish we could get gaskets like the pictures for our intakes. Even if you scatter a turbo- nothing gets through.

 

[denata]

The glow plug sticks out in place a little, the hole in the center is the nozzle channel.

He took out the exhaust valves, the seats were not beaten, the valve chamfer seemed to be intact too.

 

[Will L.]

The head is fixable. Use the same porting and filling techniques used in modifying heads for performance to bring it back to normal. As long as doing that, might consider a little better unshrouding. Smooth air flow has as big an impact as volumetric improvements.

The flame front and burn of that cylinder must have made it sound like a bent rod. I bet that cylinder burn dropped over all performance by 25-30 hp.

The piston I would replace for sure.

Then the “while you are there” monster pops up his head.

Obviously checking cylinders, probably boring them. Gapless rings on #2. Coated bearings when it all goes back together.

So these marks are just carbon, not dings?