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2002 Volvo xc70 turbo retone line?

Updated: 8/16/2019
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14y ago

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If you mean "Turbo Return Line" this refers to the metal pipe bolted to the bottom of the Turbocharger that returns lubricating oil to the oil pan. The pipe has a gasket between a flange at the top of the pipe and the bottom of the Turbocharger and an o-ring at the bottom of the pipe where it goes into the engine block just above the oil pan. The oring ages and starts to leak oil down the back of the engine. It can be difficult to replace due to it's position in between the back of the engine and the bevel gear assembly that drives the propellor shaft attached to the rear differential. Two bolts attach it to the bottom of the turbocharger ad the bottom just presses into the back of the engine block.

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