Having problems with your Volkswagen Golf ?
Volkswagen golf diesel won't start when it's cold
Change the battery first before suspecting other parts.
It sounds like a heater plug fault< I am assuming it turns but will not fire?, first off see if you have 12 volts when the heater light is on in the dash, just put a volt meter red lead to the 8mm nut on one of the heater plugs and the black to earth. get someone to turn on the ignition and you should get somewhere near 12 volts, it should go to zero when the light goes out. if this is what you get you need to replace the plugs, I use OEM from a dealer as they are a bit fiddly to get at and the after market ones often dont last, even Bosch ones!\012To chnage them you will need an 8mm spanner and 1/4 drive socket and a 13mm deep 3/8 drive socket and a combination spanner Noting that there is a supply lead and a bridge wire connecting the plugs to each other, undo the 4 9mm nuts and save the washers and note their position, you should get new nuts with the plugs. now undo (anti clockwise) the plugs, take care not to allow any dirt into the hole when they come out, start the new ones carefully, it is an alloy head. then tighten them well. refit the wiring as found and off you go.
Repair Help & Product Troubleshooting for Volkswagen Golf
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