Holden Astra 2016 FAQs

Check out real-world situations relating to the Holden Astra here, particularly what our experts have to say about them.

• Having crankcase ventilation valve problems with my 2015 Holden Astra

  Having a bolt snap off while you’re undoing it is a royal pain and can bring take the car off the road if it’s a critical fastener. You’re probably best off visiting a mechanical engineering shop (or good workshop) who will have the tools necessary to remove the broken chunk of bolt still lodged in the car.

  Techniques vary according to how much bolt is still showing, access to it and even what it’s made from. In some cases, the engineer will use what’s called a bolt-extractor kit which screws into the broken bolt and extracts it without damaging the existing threads. If you’re lucky there will still be enough of the broken bolt exposed to allow the use of vice-grips to remove it. Sometimes a small section of new metal can be welded to the broken stud or bolt to give purchase and in extreme cases there’s even a process called spark eroding which is more expensive but can really save the day. The last resort is usually drilling the broken bolt out as this can destroy the threads in the part, requiring even more work to ultimately replace the fastener. In each case, penetrating fluid and/or the application of heat will be the first step to try to free or loosen the broken fastener before trying to extract it.

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• Gear selector problems with a 2008 Holden Astra CDX

  Rather than an internal transmission problem, this is probably a simple case of loose fittings where the selector meets the gearbox or even where the selector pivots inside the centre-console. The moving parts inside this mechanism can wear over time and lead to sloppiness in the shift lever itself. You can remove the centre-console panels and see for yourself if there’s excess play or movement in the connections. The fix might be new bushes or guides, but it shouldn’t be a huge job.

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• How do I find the radio security code for my Holden Astra?

  The first thing to do is find the owner’s manual and any paperwork that came with the car when it was brand new. Many dealerships wrote the security code on a business card that was slipped into the owner’s folder, others sometimes write the code somewhere on one of the manual’s pages. Either of which kind of defeats the purpose of a secret code, but it was common practice.

  If that doesn’t pay off, you may have to remove the radio from the dashboard, record the unit’s serial number and contact either Holden or the stereo’s manufacturer (I think Blaupunkt, in this case) to see if it has records of what security code went with what radio.

  Finally, there’s another long-shot that might pay off. Your car has an individual VIN (Vehicle Identification Number) which should be recorded on a metal plate at the edge of the windscreen, under the glass. The last four digits of this VIN are often the security code for the radio fitted at the factory. It doesn’t work on every make and model, but it’s free and worth a shot.

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