On to the driver's side head. Some impressive tramlines in this tensioner!
This head has been apart before and whoever did the work didn't re-seal the end cap, hence the oil leak at this end. You can see the original sealant is dark and contaminated with oil
The end of the head is too clean! No trace of sealant here.
It has been apart to replace the tensioner, and one of the dowel sleeves got lost in the process. There should be two here. Unfortunately, these are not available as a spare part.
The sleeve isn't stuck in the tensioner either. The gauze has disintegrated on this side and gone through the tensioner, as usual. Luckily the start pin still locks up, but the non-return valve isn't functioning any more so oil can leak back out of the tensioner. This will rattle a little bit on start up but not destructively so.
Luckily I am a high-functioning hoarder so I have a dead cylinder head in a box which can donate a dowel sleeve
and here it is
The non-return valve, not valving and dribbling slightly
Both dowel sleeves holding the new gasket in place
Assembly lube on the cam
The merest whiff of sealant on the end cap. Less is more here - too much and it will block the oil drains
A tiny but even bead squishes out when the cap is bolted down. No more leak here.
New knock sensors
One of the water pipes back in place
The water temperature sensor is rusted in place so I will remove this and replace it while the engine is out. If this were to fail with the engine in place it would not be a pleasant job to replace it with it being so crusty, and a Febi replacement is £6
