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International Automotive Technicians Network
Re: Subaru 3.0 heads
Posted to Technical Tips Forum on 2/22/2018 1 Reply

Hi Doug- no, that's just a casting mark. The common crack points I find are the ones highlighted in the third picture, which result in coolant entering the combustion area. A crack along the area you mentioned of the camshaft cap could result in external oil l... Login to read more.

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