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Thread: Slow Glow Plugs

  1. 14th May 2009, 03:29 PM #1
    Jock The Rock
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    Slow Glow Plugs

    Gday

    Ever since I bought my new Defender it has taken ages for the glow plug light to go off. When I say ages I mean 30-40 seconds.

    I found this a bit odd, my old mans takes about 4-5 seconds the same as my old Defender.

    Today I had a bit of a fiddle around. All the glow plugs are working and in good nic, and getting about 11.3V.

    Does anyone have any ideas what could be the problem?

    Is it the little timer that is fitted to the 300 Tdi and 200 Tdi? could that be buggered?

    Thanks
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  2. 14th May 2009, 03:44 PM #2
    Top End Rangie's Avatar
    Top End Rangie
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    You may want to check for voltage loss across the Glow Plug Relay terminals,if any loss at all,relay may be shot.
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  3. 14th May 2009, 04:03 PM #3
    Jock The Rock
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    There is a drop of about 1 volt

    Would that be the problem?
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  4. 14th May 2009, 07:42 PM #4
    Jock The Rock
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    Bump

    Any idea how much a new relay is anyway?

    Thanks
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  5. 14th May 2009, 08:25 PM #5
    Sleepy's Avatar
    Sleepy
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    How healthy is the battery Jock?
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  6. 15th May 2009, 03:46 AM #6
    isuzurover's Avatar
    isuzurover
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    A 200/300 Tdi doesn't really need glow plugs - as it is a DI diesel with decent compression.

    Pete (Red October) has the glow plugs disconnected on his 300Tdi 110. IRC he said it starts straight away - even when under a meter of snow in the alps.
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  7. 15th May 2009, 06:54 AM #7
    Jock The Rock
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    Quote Originally Posted by Sleepy View Post
    How healthy is the battery Jock?
    Both are very healthy

    Quote Originally Posted by isuzurover View Post
    A 200/300 Tdi doesn't really need glow plugs - as it is a DI diesel with decent compression.

    Pete (Red October) has the glow plugs disconnected on his 300Tdi 110. IRC he said it starts straight away - even when under a meter of snow in the alps.
    Yeah I know they don't need the glow plugs, it's just a niggely thing.

    I'm going to switch the relay with my old mans 300 Tdi today to see if it makes any difference
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  8. 15th May 2009, 11:05 AM #8
    isuzurover's Avatar
    isuzurover
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    Quote Originally Posted by Jock The Rock View Post
    Both are very healthy



    Yeah I know they don't need the glow plugs, it's just a niggely thing.

    I'm going to switch the relay with my old mans 300 Tdi today to see if it makes any difference

    Just disconnect them completely and all niggles will cease!
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  9. 15th May 2009, 10:41 PM #9
    Jock The Rock
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    Did a switcheroo with the old mans relay today; well what do you know it works

    I'll look into a new relay on Monday
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  10. 15th May 2009, 10:50 PM #10
    B92 8NW
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    They're "relatively" expensive.

    Land Rover parts - RELAY - IGNITION HEATER PLUG (TIMER) - L/ROVER DEF+DISC (TDI)
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