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How do you fit glow plugs in a Peugeot 306 estate?



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Disconnect negative terminal on battery. On 1.9 turbo models remove the intercooler and on non-turbo models with D9B engines remove the air distibution housing. If necessary remove the inlet duct and disconnect the breather hose from the engine oil filler tube - all for easier access. On 1.9 models with an engine cover release the fasteners from the right hand side, then lift off the cover, careful not to lose the mounting rubbers. On 2 litre models turn the fasteners through 90 degrees to release the cover. Unscrew the nuts from the relevant glow plug terminals. Themain supply is to No.1 cylinder glow plug and an interconnecting wire is between the 4 plugs. Unscrew the glow plugs and remove from the head. Glow plug torque settings are 22Nm/16lbft. Adding to the gentleman above, the last time my 306 struggled to start (it only needs one plug to fail and it really takes a while with lots of battery power) I replaced all the plugs. I paid about £4 each at my local spares shop. 6 months on and its eaten another one. A simple trick is to remove them one at a time and test them with a set of jump leads. Dip the sooty end in a little white spirit and it soon evaporates if they work. Dont leave them connected for more than a second or two. As soon as you get to the one that doesn`t sent up a little wisp of smoke; you have found the dud....and there will only be one in all probability. If you are untidy like me, you will probably have tossed the old ones in your toolbox. Test all these on the battery and you will probably find like I did that 3 of them work. You can now happily use one of the old ones. Dont listen to anyone who says you need to replace all of them every time. They are only like light bulbs. You can be lucky and they willl last for donkeys or they will fail in a few months. Its very handy if you have ever been sucked in and bought one of those portable multi tasking battery jumpers with tyre compressor, and built-in light...they wont start your lawn mower, but they are good for pumping tyres and testing glow plugs! Happy the knuckle rash