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effing glow plugs
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harrythespider
 


Member Since: 21 Oct 2008
Location: cumbria
Posts: 290

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3
effing glow plugs

really naffed off!!! I thought whilst the body's off I would replace glow plugs, so after nearly a week of daily soaking of plusgas set about the task, clockwise a little first to break the seal then anticlockwise then forwards, backwards, forwards and backwards a little at a time, bit nervy hearing the creaks of the rotation but promising then snap, the same on all 6. why they would start to to come out and then seize I don't understand. So extractor set ordered and hope I have a bit more luck!!
  
Post #215016729th May 2020 10:02 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10335

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Carbon build up along shaft.
  
Post #215017930th May 2020 7:20 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Try a google search for black death and coca cola.
  
Post #215019030th May 2020 8:22 am
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vanpeebles
 


Member Since: 20 Mar 2018
Location: North East
Posts: 150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Cairns BlueDiscovery 3

The backwards and forwards method snaps them everytime. I found the best way was to apply tension with a standard bar and socket, while someone tapped on the end with a decent hammer.
  
Post #215055731st May 2020 8:04 pm
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harrythespider
 


Member Since: 21 Oct 2008
Location: cumbria
Posts: 290

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Update.......drill/tap/extractor set purchased some plugs removed, centre electrode in glow plugs proves problematic. Tip on one would not budge so micro drill and tap then horror.. tip drops into cylinder. disaster!! Do not want to remove head.
Anyway much time later and much perseverance alongside purchase of microbore camera, broken tip is extricated from cylinder via injector hole..relief.
  
Post #217671028th Sep 2020 8:29 pm
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NSRGOD
 


Member Since: 29 Sep 2020
Location: Leyland
Posts: 4

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

I do not understand the issue with glow plugs. I'm a mechanic and have changed more glow plugs than I can care to remember and have never snapped one. Am I lucky or just do I know what I am doing?

So today after a week of the Disco not starting at below 0 temps and using easystart instead of fixing it I bought 5 plugs. Only 5 because there was no way the fuel pump was coming off.

The results are that during heavy snow fall that after 175000 miles the 3 plugs that can be replaced without anything apart from the engine cover and the oil filter housing being removed came out very easily.

She started afterwards no problem. I'll try again tommorow but I'm confident.
  
Post #21985493rd Jan 2021 12:59 am
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Kenny57
 


Member Since: 12 Apr 2020
Location: Essex
Posts: 169

United Kingdom 2007 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Just did the same job. Bought the special 1/4" drive 10/20/30/40Nm air impact driver expecting a battle. Only did 5 like NSRGOD. 24hrs with plus gas then 10Nm setting.... all 5 spun straight out. Could have done it with a regular rachet! The shaft sections were all pretty clean and just a descent coating of carbon on the tips but no bulging.

In fact they came out so easily I began to doubt that my starting issue was the glow plugs. Put them straight on the test meter and all were either fully or very nearly open circuit. Definitely all duff. I might have just been lucky, or it might be that I followed the tip on here of putting a good quality engine cleaning additive in and thrashing the Censored off it for a tankful. Either way it was a big relief.
  
Post #21985523rd Jan 2021 7:23 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

I've never had a seized plug on an EU4 engine... Thumbs Up
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #21985553rd Jan 2021 8:20 am
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anotherrick
 


Member Since: 16 Feb 2020
Location: Burnley
Posts: 33

United Kingdom 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

So who wants to take my money n do mine then 😜👍
  
Post #21986163rd Jan 2021 11:49 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

I had a 2005 Sport in. Braced him for worst case, he didn't want to spend that sort of money on the car, so he got rid and traded it in against a new Sport

The original Sport made its way back to us, where all 6 plugs came out in 1 piece, after about 4 hours or perseverance Thumbs Up
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #21987273rd Jan 2021 5:25 pm
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Randylover
 


Member Since: 31 Jan 2011
Location: Staffordshire
Posts: 1172

United Kingdom 2005 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3

I managed 5 on mine I could feel the last one start to twist off so I just left it





Andy
 05 TDV6,"S" in all colourcoded Zermatt silver,7 seats winter pack HK 6cd stereo,Dual climate,Xenons,

Mods:
Re-Con Engine,De-Tango,Reverse camera,Fog/DRl lights,Aux Battery, perm Aux socket in boot,LED Volt meters in roof panel,Built in tom tom, Strobes fitted in grille, Aux switches for trailer lights fitted in roof panel,Roof Rails,Grille conversion 
 
Post #21987403rd Jan 2021 6:17 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12676

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

anotherrick wrote:
So who wants to take my money n do mine then 😜👍


It's a fair old trek to Dundee Laughing

Have you asked Flack ?
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #21987423rd Jan 2021 6:25 pm
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anotherrick
 


Member Since: 16 Feb 2020
Location: Burnley
Posts: 33

United Kingdom 2005 Discovery 3 TDV6 S Manual Zambezi SilverDiscovery 3

I ain't priced it up yet with anyone anywhere yet.
All I know is every time I've tried regardless off engine I always snap one lol.
  
Post #21988033rd Jan 2021 10:34 pm
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Waylander11
 


Member Since: 21 Apr 2016
Location: Leicestershire
Posts: 519

United Kingdom 2012 Discovery 4 3.0 SDV6 Commercial Auto Ipanema SandDiscovery 4

Brother is about to have his done on my old D3 by a company in Hinckley they have said best case around the £400 mark worst case upto £800

The car has approx 198000 on the clock now on its orginal glow plugs was fine starting on cold mornings with the FBH being used but then he decided to to service the FBH and broke it lmao

after much swearing and phone calls to me over a period of a couple of days I took pity on him and fixed the FBH but in the mean time he had got it booked in to be done ,its going in on wednesday
 D3 in Buckingham blue now SWMBO's Mine D4 commercial
Xenon's fitted Timed climate
EGR Blanked Remapped
Remap Reversing Camera
gear box reset
updated Bluetooth
4x4 info
all done by Bodsy
Fridge fitted
Reversing camera fitted 
 
Post #21988304th Jan 2021 7:36 am
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munst
 


Member Since: 16 Sep 2020
Location: GLOS
Posts: 155

United Kingdom 2007 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

£400 best case? So if all 6 just spin out is still £400? Seems a bit steep to me. Is a lot of that labour getting the fuel pump off etc?
  
Post #21989854th Jan 2021 4:13 pm
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