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bodstruck



Member Since: 09 May 2020
Location: Wiltshire
Posts: 893

United Kingdom 
Glow Plugs?
Lots of discussions on here on glow plugs, staring issues and smoke on cold start. I think I have read pretty much all of them.

Just want to validate my thinking, or get alternative thoughts if I am off-track.

07 Puma and it has been a pig to start in the recent cold weather. Yesterday and today it needed cranking for 20-25 seconds before it fired up. When it did so there was a nice cloud of white smoke and this smoke continued for a couple of minutes (but not the smoke screen from initial startup). Runs and drives great apart from the cold start issue.

Battery is good (12.7v) and cranking pretty well
Glow plug fuse is OK, as is the relay.
Power is getting to the 12v feed to the glow plugs
I have not tested the resistance of each of the glow plugs

Seems like I will need to remove the inlet manifold and remove each one to adequately test so while I have that lot off it seems sensible to be prepared and have new ones ready to go in. Bosch or Denso are less than £50. so not a huge outlay in the scheme of things.

Or am I off my rocker and have missed something?

Thanks Thumbs Up
Post #974890 16th Dec 2022 3:55pm
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Leamreject



Member Since: 19 Dec 2020
Location: Middle Earth - Leamington Spa
Posts: 969

Italy 2011 Defender 90 Puma 2.4 HT Fuji White
I think most of your issues would be coverd with new glow plugs. White smoke is a sign of unburnt fuel which might improve with glow plugs and an injector cleaner on cold start but is more like injectors needing a refurb Thumbs Up Ride like you stole it!!
If I’m not on a bike it’s because only a 4x4 will do…
2011 2.4 Puma 90 HT
Post #974895 16th Dec 2022 4:10pm
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 802

Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
As above - new glow plugs and a heavy dose of injector cleaner.

Don’t jump to looking into injector Refurb if it’s running tidy once warm. 2008 2.4 110 Utility Station Wagon XS.
Post #974897 16th Dec 2022 4:45pm
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DuncanS



Member Since: 06 Dec 2013
Location: Cumbria
Posts: 299

United Kingdom 2008 Defender 110 Puma 2.4 USW Santorini Black
Yep mine has refused to start for the last two days until it got a bit warmer.

Easiest way to tell if you have misbehaving plugs is to get a DC clamp meter around your battery cable and measure the current on ignition position 2. It should be approx 40 amps if all the plugs are behaving normally (10a per plug ish). There is also normally about 3A of other system load, but you can work that out once the plugs have switched off. Mine for comparison was around 20 amps today so looks like I have several slightly duds, or two completely dud. North Cumbria Search and Rescue - Team Leader
Post #974910 16th Dec 2022 6:48pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20290

United Kingdom 
What sort of cost are the glow plug parts and labour wise? ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️
Post #974921 16th Dec 2022 7:45pm
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bodstruck



Member Since: 09 May 2020
Location: Wiltshire
Posts: 893

United Kingdom 
I just bought a set of Bosch ones. £42 from GSF.
I would have thought labour for a garage that knows what they are doing should be less than 2 hours as long as they behave and come out. We'll see how long it takes me, almost certainly longer than that Smile
Post #974925 16th Dec 2022 8:11pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20290

United Kingdom 
I have heard they can be devils at times - hope all goes well when tackle it. Thumbs Up

Not too bad price wise then, the injectors are quite a bit that’s for sure. Thumbs Up ⭐️⭐️God Bless the USA 🇬🇧🇺🇸 ⭐️⭐️
Post #974927 16th Dec 2022 8:30pm
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 802

Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
If you can get slight access to them. Spray some WD40 a couple of days before- to allow time to penetrate the components/threads. Then have a go at the glow plugs after the engine has been warm. 2008 2.4 110 Utility Station Wagon XS.
Post #974939 16th Dec 2022 9:44pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17323

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
You might find it even more effective to use a dismantling penetrant (for example PlusGas) rather than WD40, which is primarily a water-displacing spray.
Post #974947 17th Dec 2022 7:31am
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miker916



Member Since: 25 Oct 2022
Location: Fife
Posts: 48

Scotland 2010 Defender 110 Puma 2.4 SW Alpine White
i had exactly the same symptoms as you, garage replaced all my glow plugs yesterday and it started instantly this morning. Weve been having some chilly weather up here in Scotland this week. Garage had problems removing all 4 so i'm glad i got them to do it - £180 well spent, you should have seen the crud inside the inlet manifold Shocked
Post #974955 17th Dec 2022 9:45am
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bodstruck



Member Since: 09 May 2020
Location: Wiltshire
Posts: 893

United Kingdom 
Good to hear it fixed the problem, hope it is the same for me.
I cleaned the inlet manifold and replaced the gaskets a few weeks ago so at least that job is done. It was very mucky.
Post #974960 17th Dec 2022 10:22am
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1913

Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
Mine starts ok ish when cold, I’d say about 2 seconds longer than a warm day.
But it runs very rough with white smoke for a mile or 2, but then runs perfect very smooth powerful and no smoke.
I’ve changed the FCV, MAP, MAF, glow plugs only thing it can be for me is the injectors. Which in my head they are passing and causing the rough idle burning off? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #975034 18th Dec 2022 6:59am
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BrickBox



Member Since: 05 Oct 2021
Location: Wales
Posts: 802

Wales 2008 Defender 110 Puma 2.4 USW Zermatt Silver
I do find running redex diesel cleaner through winter helps the cold starts. IME. 2008 2.4 110 Utility Station Wagon XS.
Post #975036 18th Dec 2022 8:23am
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carrotbay



Member Since: 18 Aug 2013
Location: Northants, UK
Posts: 699

United Kingdom 2008 Defender 110 BMW M57 3.0 Diesel XS CSW Auto Santorini Black
Mine was not starting too well over the past year or so, so I eventually changed the glow plugs this year ready for the cold weather. Problem solved and not had any starting issues in the latest cold weather.

Decided to do it myself .. inlet manifold off .. a bit penetrating oil before I started and no issues.

Click image to enlarge
Post #975037 18th Dec 2022 8:30am
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DG123



Member Since: 29 Aug 2015
Location: North West
Posts: 133

United Kingdom 2012 Defender 110 Puma 2.2 XS CSW Orkney Grey
Do you change the inlet manifold seals or re-use? Anything else needed apart from the glow plugs? 2012 110 XS SW Orkney Grey
2003 D2 Td5 Black [SOLD]
Post #975158 19th Dec 2022 5:22pm
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