Steering: 1999 v70 2.5 TDI heavy steering when warm

[Food 45]

First time posting and loving my v70.
First problem I'm having is once I've been on a run and car gets warm the steering becomes heavy and pretty much no power steering at stand still, all good when it's cold.
I was going to flush system initially to see if that helps, I see conflicting advice on what fluid to put in ?
What's people's thoughts? Pump, rack, or could I be lucky with fluid flush.

[brickman]

Possibly collapsing return hose. As engine gets warmer, hose gets warmer and can no longer support itself against the vacuum like pull on the return line.

Mine got a extra kink in the fixed metal section due to an expensive garage doing a crap job on a new clutch, amongst other things they damaged.

Think you can get a new line from skandix, or get one made up by local hydraulic shop, they'll cut the fittings off your old lines and do their best to copy the shapes and angkes