Hi, did you ever get any replies as I would be interested the answer? I also read the book and assume you can see the movement before the stat opens.

Hi Wullie, as you probably know by fitting the joining link in the secondary chains enables the secondary chains to be replaced without having to remove the primaries. I didn't think it a great idea but it seems to work ok. BTW great photos

Regarding the dip-stick tube, I had the same problem about a year ago. It is very difficult to see how to disconnect the tube from the bottom end so I also 'modified' the bracket. I think that this problem started with the AJ27 engine. Regarding the tensioners I don't think the cracks are visible wh...