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14 votes
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What's the black knob near the oil pan?

If your engine is the 2.7 litre, then that is the oil filter. You can see this in this video detailing how to do an oil change on the 2.7 litre engine. The oil filter may just need tightening a little,...
HandyHowie's user avatar
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1 vote

Astra J 2013 leak

As with most oil leaks, it's not serious as in you wouldn't have to get it fixed today to keep your car running. If you do put it off, the only thing you'd really need to do is ensure the oil is good (...
Pᴀᴜʟsᴛᴇʀ2's user avatar

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