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turnah



Member Since: 30 Sep 2018
Location: Lancashire
Posts: 13

United Kingdom 
Lumpy running td5

Over the last week the 1995 TD5 90 has been feeling very heavy to drive, requiring a lot more movement on the pedal to get moving. On the motorway I struggled to hit 70 with foot to the floor, when normally it fly's past this speed without issue; after a few minutes there was a terrible smell. MPG hit 21 this fill up, previously it was 24-25.

Apologies if any words or terminology are off; I'm an absolute beginner who bought a socket set and have been peicing together whatever I can from the forum. (Thanks everyone!)

I checked for excessive heat on the brakes and handbrake drum, but didn't feel too hot to touch I've checked the turbo waste gate and that moves freely, given a wee dose of wd40 to be safe.

MAF was replaced with a genuine VDO two weeks ago and MAP sensor cleaned with electrical contact cleaner.

The fuel pump seems to run (quietly), but for about 30 seconds when starting the engine. I swear it used to be louder for a shorted period.

I decided to have a good look around the engine so took the acoustic cover off and there seems to be a a lot of fresh black stuff around the silver lump, which I guess is the engine. I've attached pictures as my description is wholey inadequate. Also looks like it's been dripping. Upon checking the oil level it is now above max... Feels like it has gone up but can't 100% confirm this.

Anyone got any ideas before I start to pester my mechanic (he's a bit of a drive away). If it's injector related I'll be seeing him as not that confident yet but hoping it's something I can maybe deal with.


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Post #763253 13th Mar 2019 8:06pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 3805

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue

If fuel consumption has increased along with oil then that's your problem. DO NOT DRIVE IT!! until you have rectified the problem.

It can be one of two things.

Injector seals and washers need replacing or a cracked cylinder head.

Start by changing the injector washers then do an oil and filter change and closely monitor the oil level. If after replacing the injector seals and washers it rises again then its likely the head is cracked Thumbs Up 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Defender Thread http://www.defender2.net/forum/topic50767.html
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Post #763257 13th Mar 2019 8:16pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 3679

2006 Defender 110 Td5 USW Zermatt Silver

You need to be sure if your oil level is raising or not. If unsure drop the oil and fill with new to the level. Then monitor it.

The stains oil on the engine don’t look anything to major to me.

The smell sounds strange and makes me very much think brakes. Although I read you think they are ok. Have you checked your wheels turn freely?

Post #763260 13th Mar 2019 8:36pm
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OsloBlue



Member Since: 14 Jul 2018
Location: Essex
Posts: 547

United Kingdom 2003 Defender 110 Td5 XS CSW Oslo Blue

My engine looks in a similar conditions, No problems with it.

I had a overheat once where the coolant evaporated through the insecure lid.

I've got a load of gumpf on my EGR...

I wouldn't be too worried about MPG unless its hit the teens, I've had 23, 25 & 27 MPG and it fluctuates like the wind.

I especially wouldn't be worried unless your coolant goes missing or oil turns to cream...

In terms of smell i once hit a pheasant that disappeared as soon as i hit it, Turns out it had bounced up into my engine, made the whole thing stink like chicken for a whole month, until i hit a speedbump fast enough Defender Drag racer & achiever of "How is that possible" speed
Current: TD5 '110 "Lucinda" Thread here: https://www.defender2.net/forum/topic62562.html
Previously: Disco 3/4 2010 Manual, BMW 325D SE, '08 Nissan Pathfinder, '08 Nissan Navara, '08 Focus ST, '97 Vectra track car.

Post #763278 13th Mar 2019 9:36pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 3805

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue

I don't think too much emphasis can be put on the fact that diesel in your oil drastically thins it, reducing its lubricity. In anything but the extremely short term - damage will be done to your engine, if the problem is ignored.

If fuel is getting into the oil then you'll smell diesel on the dip stick. 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Defender Thread http://www.defender2.net/forum/topic50767.html
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Post #763301 13th Mar 2019 10:44pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 59

Scotland 

If you suspect diesel in your oil. Put a spot of oil onto some paper, if it spreads out with a halo around it, the halo is the diesel as it spreads more due to being thinner.

Post #763302 13th Mar 2019 10:49pm
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mk1collector



Member Since: 17 Sep 2009
Location: huddersfield
Posts: 6318

England 2004 Defender 110 Td5 CSW Bonatti Grey

Also check for oil in the red ecu plug. Ray
My build thread
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Post #763308 13th Mar 2019 11:34pm
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turnah



Member Since: 30 Sep 2018
Location: Lancashire
Posts: 13

United Kingdom 

Thanks for all the replies so far; amazing. Bow down

I've done the paper test with the oil - no halo, also didn't smell very strong; so i think i'm safe on that one for now but I'll keep a close eye on it and check it each morning for the next few weeks.

Nice reassuring answers about the state of the oil around the engine - had a check, couldn't find a pheasant Smile

I have checked for oil in the red ecu plug; I've attached pictures. It's a little greasy but not sure whats normal or not. What do you think?



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Post #763340 14th Mar 2019 9:44am
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MetalMatt



Member Since: 29 Jul 2016
Location: Brighouse
Posts: 158

United Kingdom 

Your red plug looks okay.
when i had my td5 this was a good day for oil in the plug, The time before this it was fully swimming in oil.

 1995 Land Rover Discovery 300tdi - Sold
1989 Land Rover 90 - Rebuilding
2002 Land Rover Discovery TD5 - Sold
2017 Mini JCW F56 - Current Daily Driver

Post #763352 14th Mar 2019 10:54am
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mk1collector



Member Since: 17 Sep 2009
Location: huddersfield
Posts: 6318

England 2004 Defender 110 Td5 CSW Bonatti Grey

It’s not the worst I’ve seen but I’d still clean it out with electrical contact cleaner. Ray
My build thread
http://www.defender2.net/forum/topic17615.html

Post #763504 14th Mar 2019 9:27pm
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turnah



Member Since: 30 Sep 2018
Location: Lancashire
Posts: 13

United Kingdom 

Quick update, oil level is holding steady; I've given a few days running and does seem a little happier now after cleaning the plug but something does feel off.

I've been underneath to have a look and spotted some fresh oil from the gear box (or transmission?) - is this anything to be concerned about? droplet at the top of the picture and looks like coming out around the plug


Click image to enlarge


I think i'll stop after this one and take it in for a quick look rather than pestering, else start my own "does this look right" thread!

Thanks!

Post #764467 20th Mar 2019 3:23pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 3679

2006 Defender 110 Td5 USW Zermatt Silver

That drip of oil is too clean to be engine oil, and should be red if gearbox oil. So some investigations are required.

Post #764549 20th Mar 2019 10:14pm
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Blackhat90



Member Since: 31 Dec 2016
Location: Forfar
Posts: 60

Scotland 1995 Defender 90 300 Tdi HT Epsom Green

Get it plugged in to the Diagnostic reader, ,no more guessing , , ,could be pedal sensor, ,And it will tell you if thers an Injector fault ,,, [ open ]

Post #764918 22nd Mar 2019 11:03pm
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mk1collector



Member Since: 17 Sep 2009
Location: huddersfield
Posts: 6318

England 2004 Defender 110 Td5 CSW Bonatti Grey

Drive with the MAF unplugged for a day or two and see if drives any better. A long shot but you might have got a dodgy new maf. Ray
My build thread
http://www.defender2.net/forum/topic17615.html

Post #764984 23rd Mar 2019 2:27pm
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turnah



Member Since: 30 Sep 2018
Location: Lancashire
Posts: 13

United Kingdom 

Thanks for everybody's time. What a great bunch you are.

Incase anyone has similar problems and finds this thread; in this case it turned out to be Diesel leaking from the fuel pressure regulator.

All booked in to get sorted by a bloke with far more skills than I (for now!)

Post #765697 27th Mar 2019 6:39pm
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