Are you having problems with your Holden? Let our team of motoring experts keep you up to date with all of the latest Holden issues & faults. We have gathered all of the most frequently asked questions and problems relating to the Holden in one spot to help you decide if it's a smart buy.
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Clearly not all cars use oil, and perhaps yours being used on mostly country trips might suggest usage is a factor. It could also come down to the way a car is run-in when new. Running-in is important and can have a dramatic effect on things like oil consumption, and today we don't pay too much attention to running-in a new engine as we did in earlier times. Good to hear of your experience.
An experienced mechanic should b able to pick the difference between tyre noise and a bearing rumble. I would have an independent mechanic drive the car and tell you what the noise it. That way you should be able to get it properly resolved.
It could be a blown head gasket as your mechanic suggests, but he should be able to test it to determine if it is blown or not. You should also be able to see evidence in the form of a milky substance in the coolant if it is a blown head gasket.
I would guess that by specifying the fuel the mechanic is eliminating fuel as a potential cause, so I would go along with him while he attempts to isolate the cause of the problem. As it doesn't show-up on the diagnostics it's hard to track down, so give the mechanic some space to get to work on it, but keep the pressure up. At the end of it it's likely to be a faulty sensor or maybe a faulty coil pack.
We have asked Holden to check your complaints and give us a date that the part will become available. The warning lights and alarm must be annoying, but the airbags should still operate normally despite the faulty seat belt pre-tensioner. When working, the pre-tensioner comes into play before the airbag and provides protection in less severe crashes where the airbag wouldn't be deployed. The airbag operates in severe crashes, independently of the pre-tensioners. If you are in any doubt get your dealer to explain the operation of the car's safety systems.
It appears they haven't, but we will check. In the meantime religiously stick to the maintenance schedule and change oil and filters regularly.
The Commodore V6 engine uses oil, that's clear from the number of complaints we get from owners saying their cars use an excessive amount of oil, even from new. We have asked Holden to explain to us what is causing the problem and what they are doing about it. We have heard that it is an engine breathing issue with this engine, but so far that hasn't been confirmed. Take your car back to the dealer and register your concern about oil usage and ask that they conduct an oil consumption test to determine the extent of the problem.
It's always a good idea to read the fine print so you know what it and what isn't included in the servicing schedule. I would expect that the brake fluid would be changed as a regular part of the servicing and shouldn't be an extra cost. Doing the power steering fluid is being over-serviced. Draining the transmission oil and replacing it isn't hugely expensive, but changing the oil, which includes draining the torque convertor, is more expensive and amounts pretty much to a full service. It's still worth doing and 100,000 km is probably a suitable point in time to do it. As for your diff noise, you could try asking your dealer people to go for a ride with you to assess it. Changing the diff oil can help quieten the noise.
You should take it back to the people who installed the gas system, as something is amiss with it.