How do I change the VANOS chain tensioner?

Yep, that is a good idea. here is how to change out the timing chain lower guide which means you will need to remove the front cover as well. Here is how to do the job in the images below. Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.

Thanks for this Ken. This may have to wait a while as I need to budget the cost in. I also need to sort out the drawings as they seem to be in no particular order.

Sounds good, the images are in the order the manual gave them to me FYI. let me know if you need anything else to get the problem fixed.

Hi Ken,

It looks like I will not be removing the heads as there is now no need to. See this thread as to why: https://www.2carpros.com/questions/car-stopped-working-suddenly

Thanks for the images and your time. If I do need to change the timing guides in the future I will come back here.

Nice work, we are here to help, please use 2CarPros anytime.