Hi all again
ive just changed my glowplugs in my 1.7 tdi astra van its a gm y17dt which takes the long glowplugs
the only thing is that there is a 1cm gap between were the thread on the glowplug stops and the nut on the glow plug starts.
should i tighten up to the top of the thread or to the bottom of the nut.
just when i tighten em up it gets hard to turn em around the top of the thread area so i really dont want to tighten em down to the nut just in case i break em.
i hope someone understands what i am going on about lol