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Defender marto



Member Since: 14 Mar 2016
Location: Wirral
Posts: 128

United Kingdom 2004 Defender 90 Td5 HT Oslo Blue
Landy went nuts after injector seals renew
Had the injector seals changed today. Picked it up after work and get about 1.5 mile down the road and I had a sudden partial power loss and I think the engine sounded noisy like a tappet had broke. Then I noticed the massive smoke screen I was creating followed by the engine revving up on its own and producing a heck of a lot more white smoke. So pulled over and turned off landy but still running so engaged first gear stepped hard on brake and let the clutch out and the engine stopped. Fortunately garage had not closed yet and came around and picked it up. I am thinkingthe fuel injector seal work has gone wrong somewhere. I even got lr parts to. I wonder if an injector had popped out or something might be the reason for the broken tappet noise. Garage said they will call me tomorrow. I'll update tomorrow.
Post #598667 2nd Feb 2017 7:05pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3602

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
hope its nothing major, mate had an engine do this with a holed piston! DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #598673 2nd Feb 2017 7:32pm
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Justtellme



Member Since: 23 Nov 2015
Location: Ottawa
Posts: 305

Canada 2003 Defender 110 Td5 SW Oslo Blue
Not good....I hope a piston is not holed.
Read recently on here about people not properly draining the fuel prior to pulling the injectors for a seal change.
First Cylinder fills with fuel. All injectors changed, then hydro lock and mechanical damage to the cylinder/ piston that was first injector to be changed soon after start up...normally #1.

Here's hoping that is not what happened.
Post #598686 2nd Feb 2017 7:57pm
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lightning



Member Since: 23 Apr 2009
Location: High Peak, Derbyshire
Posts: 2159

United Kingdom 
Did you replace the injector seals/washers because there was a fault, or just for routine maintenance?

I wanted mine changing when l got my 2005 TD5 two years ago, as a maintenance task.

My local lndy said best to leave alone unless there is actually a fault, as removing them can cause other issues and further problems. I tried to get two other LR specialists to do it but both said leave alone if it's running OK.

The lndy said the injectors "might not re-seal" and the LR dealer "you might end up needing a new head"

Although this is contrary to what l read on forums like this, where no real issues are reported from changing them.
Post #598700 2nd Feb 2017 8:30pm
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652

United Kingdom 2003 Defender 90 Td5 HT Alpine White
I hope it's just they have done a Censored job and not sealed one properly. It's then filled the motor with diesel and the oil level has gone up and it's started to run away by running on is own oil.

Caught quickly you shouldn't have damaged it. 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #598799 3rd Feb 2017 12:00pm
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Laurie



Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897

England 2005 Defender 90 Td5 XS CSW Bonatti Grey
Hopefully just one injector stuck open.
'Hydraulicking' would sound lick a stuck valve. 
Post #598800 3rd Feb 2017 12:08pm
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Defender marto



Member Since: 14 Mar 2016
Location: Wirral
Posts: 128

United Kingdom 2004 Defender 90 Td5 HT Oslo Blue
gazman wrote:
I hope it's just they have done a Censored job and not sealed one properly. It's then filled the motor with diesel and the oil level has gone up and it's started to run away by running on is own oil.

Caught quickly you shouldn't have damaged it.

That is what happened, an O ring had failed. I would not say they did a bad job it is just one of those things. I have used that garage for nearly 8 years. The landy is back now and running ok and they even steam clean the engine, that was a job I was going to do so saved me a job. And no charge for the rework. I get the impression that it is such a tight fit that O rings can get a bit damaged when putting injectors back in. It is probably why no one want to touch that job unless it was at fault which mine was, difficult to start when cold. Now it has new injector seals and new fuel pump as it was getting really noisy. marto
Post #598873 3rd Feb 2017 5:50pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4350

United Kingdom 
Oh heck bad luck, I have not heard of the seals failing to that extent before. I suppose the seal in question could have been twisted during the fitment to the injector preventing it from sealing to the head adequately. Either way bad luck and I am glad it is sorted now. Thumbs Up
Post #598887 3rd Feb 2017 7:12pm
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Justtellme



Member Since: 23 Nov 2015
Location: Ottawa
Posts: 305

Canada 2003 Defender 110 Td5 SW Oslo Blue
Defender marto wrote:
gazman wrote:
I hope it's just they have done a Censored job and not sealed one properly. It's then filled the motor with diesel and the oil level has gone up and it's started to run away by running on is own oil.

Caught quickly you shouldn't have damaged it.

That is what happened, an O ring had failed. I would not say they did a bad job it is just one of those things. I have used that garage for nearly 8 years. The landy is back now and running ok and they even steam clean the engine, that was a job I was going to do so saved me a job. And no charge for the rework. I get the impression that it is such a tight fit that O rings can get a bit damaged when putting injectors back in. It is probably why no one want to touch that job unless it was at fault which mine was, difficult to start when cold. Now it has new injector seals and new fuel pump as it was getting really noisy. marto


Very good news!
Glad it was not something catastrophic......
Patrick
Post #598969 3rd Feb 2017 11:20pm
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gazman



Member Since: 17 Aug 2015
Location: Liverpool
Posts: 652

United Kingdom 2003 Defender 90 Td5 HT Alpine White
make sure they changed the oil as the diesel makes the oil very thin. On a plus point it works like a engine flush and inside your motor will be sparkling 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r
Post #598970 3rd Feb 2017 11:33pm
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ROBBONTHEROCK



Member Since: 23 Jun 2014
Location: Aberdeenshire
Posts: 637

Scotland 2007 Defender 110 Puma 2.4 XS CSW Firenze Red
^^oh yes.

We used to add a 1/2ltr to 1 litre of diesel to the oil changes to clean up big diesel engines in construction plant.

It does a brilliant job.

Could they not put a thin smear of grease around the o-ring, or inside the hole. Not a dollop of grease, just a thin, thin smear. If nipping the o-ring was such a risk, why not?

What does the wsm say on this I wonder?

Cheers
Andy
Post #598994 4th Feb 2017 7:39am
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Defender marto



Member Since: 14 Mar 2016
Location: Wirral
Posts: 128

United Kingdom 2004 Defender 90 Td5 HT Oslo Blue
Yep I got an oil change thrown in to. 👍🏻
Post #599062 4th Feb 2017 1:59pm
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1545

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
Always LIGHTLY lubricate O/rings. Always change the oil when you do the seals as it's impossible not to get diesel leaking.
Post #603221 20th Feb 2017 12:23am
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