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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Changing Glow plugs & what make?
I think its time to change the glow plugs after a hard start and some smoke this morning, so what make?

NGK
Denso
Bosch

Other?

To change them I think I just need a 10mm long reach socket?
Is it best with warm or cold engine? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #475413 23rd Nov 2015 1:18pm
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rallysteve



Member Since: 10 Feb 2014
Location: Cumbria
Posts: 2237

United Kingdom 2002 Defender 110 Td5 DCPU Keswick Green
Any of those makes will be fine.

Always with the engine warm and if they are tight dont force them or you will be in a world of pain.

At least you only need 4! 02' 110 TD5 Double Cab Rebuild Thread
Post #475427 23rd Nov 2015 1:44pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Cheers. Just ordered 4 x NGK

Last thing I want is a snapped glow plug! 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #475440 23rd Nov 2015 2:55pm
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austinhealey55



Member Since: 09 Sep 2013
Location: Lusaka, Zambia
Posts: 24

2003 Defender 110 Td5 HT Chawton White
I just did my glow plugs as well due to some hard starting. Although they were probably due, the Td5 doesn't rely on them too much to start. But apparently they are "on" the entire time the engine runs, so during warm up they help with emissions and do maybe help when cold running. It helped cold starts some, but I wouldn't say it was night and day. Battery voltage and proper grounding are two easy things to check that seem to influence starting a lot.

Couple of tips: It should be easier to remove them with the engine warm, and then install them when it's cold. I also sprayed WD40 onto the threads for a few days as I've read stories about people breaking them when trying to remove them. You can pull them with the intake manifold on, but the manifold isn't hard to remove and it makes the job easier. And since that's a pretty dirty area you want to be quite clean and not get any gunk into those holes, and with the manifold off helps there. Good time to clean the manifold inside and out too. A long 10mm socket with a universal joint and extension does the trick. Mine were actually not very tight and were easy to remove.

Good luck!
Post #476266 26th Nov 2015 6:35am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
The TD5 I have has never liked cold starting, with clouds of smoke and longer cranking or 2nd/3rd turn of key.
All other times, I don't wait just key in, turn, and brum and the car is running.

I have thought about removing the inlet, but was planning on doing that when I do the intercooler and give the whole system a clean out. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #476304 26th Nov 2015 9:49am
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austinhealey55



Member Since: 09 Sep 2013
Location: Lusaka, Zambia
Posts: 24

2003 Defender 110 Td5 HT Chawton White
You may also watch the voltage of your battery with a multimeter as you start it cold to see what it drops to. The Td5 likes a battery with over 700 CCA; the genuine battery fitted I think is a 110AH/800CCA battery. Smaller batteries will start it but often the battery is changed out at some point with one that doesn't have as many CCA. My guess is batteries with that many CCA aren't as common.

The cold start issue can be a lot of things, but the easiest to suss out is the battery end of things. If the voltage drops well below 9V when starting, and especially if you have a battery under 800CCA, I'd perhaps start there. Also clean up the terminals and clean the main grounds. If it's not the battery then you have to start looking at the fuel pressure side of things, injector seals, etc etc and it starts getting to be more work.

-John
KF5NSR
Post #476320 26th Nov 2015 10:35am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
The battery fitted is a Varta / 100ah 830cca 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #477196 28th Nov 2015 9:26pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Went to replace the glow plugs and found the ones I had ordered are the wrong ones(right NGK part number ordered, but wrong ones delivered)

Top is the old one/current one, bottom is the new one (I suspect is a 300tdi one)

Click image to enlarge
 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #484036 20th Dec 2015 8:13pm
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5852

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Glow plugs replaced. Not a bad job TBH.

Tools used:

13mm 1/2" socket to remove the engine cover
8mm spanner to remove the MAP sensor

10mm Deep reach 3/8" socket
3/8" knuckle
3/8" extension bar (long - 8" )
3/8" extension bar (short - 3" )
3/8" ratchet

Long nose pliers to remove the glow plug caps
Copper slip for the threads - just a light smear

Lemsip in a thermal mug 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #486614 29th Dec 2015 4:36pm
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