Subaru Trezia - Accumulation of oil in charge-air cooler | HELLA

Subaru

Trezia

Model year: 2011 - 2012

Engine: 1.4 D (1ND-TV)

Accumulation of oil in charge-air cooler

The regeneration process for the particle filter can cause engine oil from the crankcase breather and/or the turbocharger to accumulate in the charge-air cooler.

Under certain operating conditions, the oil can get into the combustion chamber and cause a significant amount of smoke. In extreme cases, it can even cause engine damage.

To eliminate this problem, the engine control unit should be replaced and the charge-air cooler checked and replaced if necessary.

Although the owners of the affected models have been informed, it can be assumed for various reasons that not all vehicles have been modified.

The fact that this action has been taken should be noted in the Subaru dealer system (action SA 201501).

Important safety note
Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only.

Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval and indication of the source. The schematic illustrations, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.

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