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Sounds to me like the car is suffering from a boost leak - either the plumbing has a leak somewhere or the wastegate doesn't hold pressure properly. Does the car have a boost gauge and if it does, can you see if you're losing boost at the same time you get the noise? Normally you'll have a hard time hearing the wastegate if it's an OEM one as they all ...

It is likely the dual mass flywheel you found was for the diesel Astra. Some petrol engined cars do use them, but the Astra isn't one of them. Even if it was, failure of a petrol flywheel is very rare anyway - are you positive you need a new flywheel? Regardless, you should trust your mechanic or not use them at all. This sounds like a straightforward ...

I've search for an online procedure, without success. But looking how the lamp is built, it's looks like you have 2 bracket on each side of the lamp. Unless you can access it from behind the bumper (which I doubt), you'll need to remove the bumper. If unsure, maybe take some pictures of your setup and update your original post with them. Here's one image of ...

If you're not sure why you would need one then no, it would not be a good purchase. You would be much better off telling us what's happening with your car: we might be able to be of assistance given some information on specific symptoms. The on-board diagnostic port will look something like this: It serves as an interface port that the engine computer ...

I have been having a similar problem especially when decelerating to islands and then accelerating away, the gear box has hesitated and not changed down before accelerating. I have only done 36,000 miles, so I don't beleive it is the gearbox at all I beleive its the ECU not getting the right torque settings for a particular shift pattern. Last week stopped ...

Oil on the spark plug is likely either because the piston rings are not sealing or the valve guides are leaking oil. Both could also be related to low compression. You could either have ring seal problems or a valve that is not seating properly. Valve seat problems could be due to physical damage or carbon build-up coming loose. Guess at what is most likely ...

It was true a few years back but they charged a fee and then when it was returned, they credit it. That's a hassle in itself. This tool could work for future cars/truck as well. As long as you get one you can update. You might want to consider one with a erase code feature. So the codes don't remain in the obd scanner. Or pay someone to get it out of ...

No it is not worth the cost. If you live in the states almost all major auto parts chains (Advance Auto, Autozone, etc) will do a check or even loan you the tool for free. Unless you're checking codes daily, it's just not cost prohibitive. The error codes produced by OBD2 are rather generic. They can be helpful in pointing you in the correct direction but ...

Be sure to consider one that links to your smart phone. There are several models that link via Bluetooth, which work on Android phones and PC. Googling "obd2 bluetooth" will find what you need. They don't work on iPhone as the Bluetooth profiles on iPhone are limited, but wifi models are available. Software on your phone (like Torque) or PC will let you to ...