Sump off. Looks clean, no sludge or metal debris. Except for those green and brown plastic fragments..
Inside everything seems intact so far.
Let`s approach now from the heads. Cylinder 4-6 first.
Scavanging pump off:
Head cover off. Something seems missing from there. Perhaps the origin of the plastic debris in the oil pan?
Not much left. The middle part, the actual rail is completely gone.
After the plastic chain guide completely had given up the chain was running on the steel bracket. May have been producing an awful sound though..
