A TSB provided by Subaru notes a change made to the oil level gauge and guide. On a rare occasion, there is a possibility that the oil level gauge could be damaged if too much force is applied when installing or removing. As a result, the diameter of the oil level gauge was increased along with the inside diameter of the oil level gauge guide (dipstick tube). This applies to 2011-2012 Forester and 2010 Impreza models.

The new style oil level gauge and guide was incorporated into production on Nov. 12, 2011, starting with the following VINs and engine number:

YEAR         MODEL                 VIN                       ENGINE

2012          Forester               C*421765               0191510

2012         Impreza sedan      C*010046               0191510

2012         Impreza wagon     C*208992                0191510

PARTS INFORMATION

NAME                                        NEW P/N            OLD P/N               VEHICLE

Gauge assembly – oil level      11139AA070      11139AA021           Forester

Gauge assembly – oil level      11139AA061      11139AA060            Impreza

Guide assembly – oil level       15144AA240      15144AA160            Forester/Impreza

The new style gauge (dipstick) diameter was increased to 11.5mm and the guide inside diameter was increased to 12 mm.

The new style gauge (dipstick) diameter was increased to 11.5mm and the guide inside diameter was increased to 12 mm.

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