Post #24
RetroPug wrote:Has anyone changed glow plugs on one of these before? ZSOC has some vague directions as to where they are and that they're a pain but I'm not finding a guide or any good pictures on there.
Secondly, any ideas on how to see whether or not injector seals aren't sealing properly? I have closely looked around all the bases and there doesn't appear to be any carbon build-up. Could I spray wd40 or carb cleaner around the bases and see if idle changes or if it bubbles?
It is smoking white on cold starts and running a bit rough for 30sec to a minute, the smoke smells of unburnt derv. I'm suspecting glow plugs, but possible suspects could also be the EGR or injector seals. I can check the EGR simply by blanking it off and seeing if that solves the issue, which I'm planning on doing soon.
Asking here because ZSOC seems great if you like sikk intercoolers m8 and not great for technical help.
Glow plugs are located at the back of the engine, there will be a large relay located in the bay somewhere, it will be easier to test them from here rather than trying to get to the plugs, a diagnostic test will tell you if a glow plug is down.
The plugs are not used to start the car believe it or no they are they to get the exhaust temps up to do a particle filter regen etc.
The rough running on start up will be air in the fuel lines, the air filter bobbins break and the vibrations on the filter box put a small hole in the diesel pipes located underneath and cause this issue, the pipe work is about £120 to buy.
Any questions ask away, I see these engines in various cars everyday. Also if you do go to change the glow plugs be careful as they snap and once that's happened it's a head off job.
Carl
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