Here is the stock turbo on my 97 ram. It’s a holset hx35w. I removed the silencer ring on the inlet and polished the cover, it’s dusty as you can see. There is Zero shaft play in all directions. You can see my forearm flex as I try to wiggle it with zero movement. The bearings are excellent as it take quite a while to spin to a stop considering it’s a hydrodynamic bearing, at idle, 117k miles and boosts 40+ psi daily. The next owner will be super lucky.-truck is traded as of 5/6/2010-
flubyux2
05. Jul, 2010
I’m aware of this. In all the turbos I’ve seen, none had axial play. Only radial play from the oil film clearance. Never come across a failed thrust b
hvguy
05. Jul, 2010
when your looking for shaft play… you really need to be worried about the thrust bearings, in other words: the shaft play from front to back, not side to side..
silvertungdemon
05. Jul, 2010
i just tore mine apart to rebuild it. they dont have any type of roller berring the berring is a piece of brass with 6 holes in it. they use the oil to act as a berring and the brass acts more as a guid for the thin film of oil and the connecting shaft