There were no answers to your post because very few people on this board have a very high regard for S80s. You must have 105K on your car, at least that is my assumption with V70 experiance. The PCV system (vacuum lines) has nothing to do with Tbelt change intervals. Unless you are changing out the water pump or tensioner, there are no critical torque specs for the cover.
If you need diagrams, you will need to buy a VADIS CD for your car. Check on Ebay.
Klaus
--
(V♂LV♂s 1975 164, 1995 854T, 1998 V70R)
|