Noise from 2005 Volvo V70R turbo after coolant loss and overheating

4 months ago
8

The original engine on my (now former) Volvo V70R lost coolant when the lower radiator hose slipped off its fitting while on the highway. I did not pull over soon enough and there was damage, as a result.

From the noise in this video, I believe the bearings and seals of the turbo were the failed as a result of the loss of coolant and overheating.

A subsequent tear down of the engine did not show cracks in the cylinder walls, nor any obvious sign of a head gasket failure (more detail and pictures at the forum thread here: https://www.swedespeed.com/threads/so-what-ultimately-failed-when-my-rs-engine-overheated.691699/ ).

I ultimately found a donor 2007 S60R with a 97k mile engine to replace the one in our V70R. I did have to get another (used) turbo, as our 2005 used the v-band style of fitting for the charge air intake pipe (that goes over the top of the engine).

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