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Thread: Glow plugs

  1. #1
    caleybo's Avatar Junior Member
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    Glow plugs

    Hi everyone, 2011 Crafter 2.5. Glow plugs in cylinder 4&5 have broken off. They are still in the head, so not loosing compression. I rang a few garages and they all said just put it all back together and as long a it starts this time of year (currently -5) then just keep running it with 1-2-3 glow plugs. Will this harm the engine in any way TIA.
    Last edited by caleybo; 01-18-2018 at 05:14 PM.

  2. #2
    caleybo's Avatar Junior Member
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    Anyone out there can offer advice.

  3. #3
    Hi caleybo,
    I don't have a Crafter (yet) but do have a Delica - 2.8, 4cylinder. It gets through glow plugs rather quicker than I'd like and quite frequently it starts on 3 or 2 cylinders when it's really cold - it chugs and puffs out white smoke for a few seconds, but then goes on all 4. I've not had any engine problems due to that in the 10years+ I've had it.
    I used to have a C250TD Merc 2.5 5cylinder that also ate glowplugs - again, cold start chugging and blowing white smoke but it went smooth after a few seconds - no engine damage there either.
    I know this isn't specifically Crafter but I hope it helps.
    Graeme

  4. #4
    TheBeast's Avatar Senior Member
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    Shouldn't expect any long term damage having two plugs out as long as you keep the other 3 in good working order. Starting might become a bit lumpy in extreme low temperatures and some smoke on first start-up.

    With two snapped-off plugs in the head often the only real way to get them out involves having the head off and plugs professionally removed - and everything that goes with the work involved in getting the head off.

    I'd sit tight as-is as your garage have suggested unless it becomes a real problem.

    The slower starting invariably puts a bit extra strain on the battery and starter motor over time - something to keep an eye on.

  5. #5
    In my experience with Glow Plugs, unless the temperature is well below freezing, they really don't do much, I had this with my TD5 Landrover Defender, I randomly tested one after a mate changed his to find out they were all dud and it always started.
    Now this maybe different on VW's but I don't think this should harm the motor

  6. #6
    caleybo's Avatar Junior Member
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    Jul 2016
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    Thanks for all the replies. As suggested I'm going to leave them be. It's starting in -6 so no worries.

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