Hey all,

I'm in the process of replacing my valve stem seals on my OM617. So far so good, but I noticed that when I replaced the first two intake seals, the valves seem to slide down to the piston without any pressure, while the exhaust valves did not. Does this indicate worn valves? Should the valve stay in place unless forced downward? The previous owner/mechanic mixed up the seals (they put green for intake and black for exhaust). Also, are there torque settings for the rocker arms? Didn't see them in the FSM.

The car smokes pretty badly and has quite a bit of blowby. I'm excited to see if this is the cause. When I'm stopped at a light for a while and then accelerate, the car bellows smoke so this should improve that.

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1981 Mercedes 300SD - 186k miles

1978 Corvette Pace Car - 21k miles

2006 Mazdaspeed 6 - 56k miles