any tips for replacing vacuum lines in V70R AWD?

[mdv]

Thanks to those who advocated replacing the vacuum lines with silicone, I now have a kit from Stylinmotors.
My brother replaced the hoses on his Saab 9000, and thought it would be a similarly easy job to do the same on my Volvo - but when looking under the hood of my 98 V70 R we couldn't really work out where to begin.
Both stylinmotors and comments on this forum simply said pull off the old hose and push on the new, which sounded encouragingly easy; but we cannot quite work out which hoses to pull off and replace.
Stylinmotors, and some on this site, said to use the diagram under the hood, but it is a little bit cryptic.
Is there a tutorial posted anywhere? Or any good pictures or guides to exactly which hoses can and should be replaced with silicone?
Stylinmotors' kit had several diameters of hose in it - how do we know which gauge goes in which position?
The hoses we can see look pretty difficult to access. Should we be able to access them without pulling lots of other bits off? Or are there some parts that we should remove (other than the easy one-screw cover front right of the engine) to facilitate access to the hoses?

(There is no particularly obvious problem, by the way; the existing hoses and elbows look in pretty good shape - but at 98k this seemed like a good bit of preventative maintenance to perform, and maybe help with some boost issues.)

Many thanks for any advice!

Mark

[bright]

Sometimes you just have to jump in with both feet.

I've done this on a number of cars (the most recent was on a Camry), and I can give you some advice.

1) Don't drink beer while doing this. You'll rue the day you imbibed while changing hoses.

2) Grab your digital camera and take pictures. Plenty of pictures, like you are at your baby's first Christmas. Close ups are particularly good.

3) Get some tape to label the tubes. The blue painter tape is good. That and a red marker will help you along.

4) Label the hoses with numbers. Next, create a key with what each number corresponds to what.

5) Pull one hose at a time. Measure it next to the silicone stuff. Cut to the same length plus 1 cm. Now replace that old hose with the new hose. Only have one hose off at a time.

6) Often the manufacturer will give you a type of grease to aid in slipping the hose onto the part. BE CAREFUL. The most difficult hoses are the thinnest one. But when you grease them you often will clog the port or line itself. I use a window cleaner (it has a very light lube in it) or spit.

7) If you need to remove something to make your life easier, do it. It's just quicker to do it the right way.

Good luck. It's not as bad as it looks. Trust me on that.

Bright

[mdv]

Thank you for that advice!
Camera and paint sound like good tips.
Will give feedback when I get to it.