How to replace glow plugs -where are they?

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take off the plastic shielding that says VW TDi on it. i think you have to take out the dipstick first. you need a 10mm deep socket to take out the glowplugs but there all connected to one wiring harness. not to hard to find once you take the cover off.

I had this happen and was told it was the glow plug module. I had it changed so far so good.

Check at YouTube, I've been surprised how many car repair videos they have!