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sorry silly question but I had to replace my m113 intake manifold to fix a big air leak (manifold itself had deteriorated and would suck air in through the housing itself) and did not pay much attention when taking things apart and now I can't figure out what covers this hole in the driver side front cylinder head - see pics.
It looks like it goes down to the crankcase but I am puzzled what part goes on top? Right in front of the right secondary air injection valve.
Thanks for any quick help - trying to get this car back on the road.
2001 CLK 55
thank you much Zayed - almost figured it must remain uncovered since I didn't have anything lying around that would go back there
one follow up question - I broke off the round metal sleeve of one of the secondary air injection valves when trying to remove it -is it ok to just put sealant on when putting it back or do people replace the whole valve when that happens ?
got it - i may just replace it then - the valve itself is still in good shape but the metal sleeve on its base that inserts into the cylinder head broke off when I removed it - so now it's only held by the bolt that secures it and the manifold.
I might try to seal it with sealant and if that doesn't work replace it
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