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Discussion Starter #1
Hi Everyone,
I've just bought a 1.4 Astra H estate to replace my Astra F hatchback and my first question is what engine oil to use. Haynes says to use an 0W/30, 0W/40, 5W/30 or 5W/40 but which of these do most people use and are their any advantages of one over the other? Castrol's site recommends an 0W/30 or 5W/40, but Shell's site and most other places seem to recommend a 5W/30.

Secondly, how often should the oil be changed as I've seen service intervals of every 10,000, 20,000 and 30,000 miles suggested in different places. The car will mostly be doing short journeys so I'm guessing every 10,000 may be best?

Lastly, does anyone have the correct Fram, Wix, Vauxhall, etc part number for the oil filter for the Z14XEP engine.

Many thanks for all replies.
 

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I've always used a 5w30 in those engines. Your best bet would probably be to pop to a motor factors and order the oil and filter at same time
 
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