Before you get started, make sure the engine is turned off and that you're working in a well-ventilated area. After the engine has been running, and the temperature is regulated, the plugs turn themselves off. Five: Reconnect the glow plug wires and the nut using a wrench. Finally, you can reconnect your battery and you're ready to go. For further details, please refer to Tim's thread in the Insurance Section. http://www.vectra-c.com/forum/showthread.php?t=73959 Please note, that in some higher spec models, you may be provided with a specific tool to remove the plugs.

They are used as heating tools that are installed in the combustion chamber of each cylinder of the engine. When the engine is started, they preheat the air so that the start-up is smooth and reliable. In some cases, you can wipe off the carbon deposits and reinstall the old plugs. Make sure you lubricate the plug before reinserting it. One: Disconnect your battery and locate your glow plugs. Remove the glow plug wires from the glow plug. This will be done by removing a small nut that sits above the glow plug. Do this for each glow plug.One of the main differences is that diesel engines rely on the high temperature created by the compressed air to ignite the fuel. From what I have been reading patience is going to be my friend for releasing the plugs, spending a couple of days soaking them with WD / PlusGas or similar before I start. What would you folks recommend to use as a penetrating spray for this ? If you have to use a bicep-building level of force to remove a glow plug they might either be damaged or have been in the car for too long. They are very common in diesel engines, and work by compressing air in the cylinder and then injecting diesel fuel into the engine. Glow plugs work by heating the air in the combustion chamber, which ignites the fuel. They take a little while to warm up, but when they do, they are robust and reliable. Over time, glow plugs can wear out and need replacing. You might notice that your diesel engine is taking longer to start, or it may not start at all! You might also see a glow plug warning light, indicating you need a replacement. When this happens, head to Halfords. About our glow plugs

From some of the write ups I have found, there are lots of cautions that go with the job and would be grateful if some of you could offer some advice.

Glow plugs in diesel cars

Using the same tool you used to remove the old glow plugs, install the new glow plugs being careful not to over-tighten them (this will make them harder to remove next time). If your car insurance is due within the next 30 days, please don't forget to give our club sponsors, Chris Knott Insurance, a call. They have just confirmed a record week in terms of the amount of business they have done through the forums so it's certainly worth a call. In 2008, the average recorded saving for their new customers was 15.5% off the BEST quote they'd had! However, in cold weather, the air temperature may not be high enough to ignite the diesel fuel effectively. This is where glow plugs are important for drivers of diesel cars. Please phone them on 0800 917 2274 or 01424 200477 and quote the club name and/or reference number (906 - VECTRA-C)

Hi all, need to change the glow plugs on a Astra J - A20DTH, first time doing these found info / vids from the web, but unfortunately nothing for the engine I'm looking at; closest I have found is a 1900 vid.

whar size are vectra c glowplugs

Please note that the how2 section can only be accessed when you become a Regular member by participating in the forum for a while. If you need immediate access there is the option to become a 'Full Member' by purchasing a subscription. Due to their importance for winter and colder weather – it is vital that they are working during these conditions.