Replacing the Volvo Oil Trap and Oil Pan Sump – Understanding What it Does and How to Replace it

Feb 2021 | 2 comments

This oil trap system allows the engine to breathe properly during operation. Here's what it does and how to replace it. Volvo has been using an oil trap for Positive Crankcase Ventilation (PCV) on Volvos for many years. The oil trap sits under the intake manifold and is connected to the block via hoses and […]

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  1. porkface

    when using the special tool looking for pressure, what are you supposed to look for?

    • Automotive Tech Info

      After speaking with our contributor, he said, “any kind of positive pressure at any speed indicates plugged oil trap or more. If needle on gauge fluctuates fast this to is plugged oil trap.”

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