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stigomery

Member Since: 10 May 2016
Location: Cambridge
Posts: 277

Starting woes

So my TD5 has never had an issue starting, minus 15 outside no problem... I barely have to turn the key and she's off and running... until now

In the past month, basking in the summer sun, she has on occasion taken as long as 4 or 5 seconds to fire up... this has always been from cold-start, never once she's been running for a while.

What might be the most likely cause? Glow plugs were done in the last year when the HG was done.

She generally runs sweet as a nut, pulls hard and never coughs or splutters.

Thanks,

Stig

18th Jun 2018 1:02pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20270

Grease tends to dry up in this weather so the starter gear mechanism could be binding.
Have you checked for voltage drop on cranking? Some will be normal, but below 7v you’ll have a battery issue

18th Jun 2018 1:18pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7982

2011 Defender 110 Puma 2.4 USW Stornoway Grey

could do with some more detail, smoke on cranking? slow cranking? instant deterioration or over time steadily got worse? mileage? fuel pump noises? etc etc

could be fuel issues assuming battery is good, cracked filter housing and failed pumps are common. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

19th Jun 2018 12:32pm

stigomery

Member Since: 10 May 2016
Location: Cambridge
Posts: 277

The fuel pump has been whining for as long as I can remember, 2 years or more.
No smoke.
90k miles; HG was done about 5k ago.
Fuel filter replaced at service about 2k ago.
Turns over easily and quick (i'll check the rpm when I get a chance).
It only started doing this in the last couple of weeks (about 3 weeks after serving the solenoid on the starter - in situ, did not remove starter)
The battery does lose charge over time and 3 weeks of no use will leave it unable to turn the engine over - there's a current draw on the battery of about 0.03A when off (from memory... although trying to remember if it was 30 or 300 milliamps)
No loss in power.
Starts very happily when hot/only happens when cold starting.
Fuel gauge currently on 1/4 and has been unhappy last few times - will fill up tonight as I read somewhere about people suffering this on less than a half tank but not above.

19th Jun 2018 12:49pm

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7982

any noise from the fuel filter housing?

the pumps like to be kept cool with lots of fuel in the tank, is pump is weak or bleed back to the tank then filling cant hurt it.

doesnt sound electrical

my current vote is on fuel running back to the tank.

if you prime the fuel system prior to starting (10pumps on accelerator with ign on) what does it do when you then try to start?

its shouldnt go flat in 3 weeks. Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop

19th Jun 2018 2:27pm

mk1collector

Member Since: 17 Sep 2009
Location: West Yorkshire
Posts: 6769

Does the oil smell like diesel or has the oil level risen? Noisey fuel pump and bad starting/cutting out while driving on mine was injector washers. Ray
My build thread
http://www.defender2.net/forum/topic17615.html

19th Jun 2018 5:11pm

bpman

Member Since: 21 May 2008
Location: Oslo
Posts: 8069

2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black

Fuel pressure regulator on td5 top left side of cylinder head - check for leaks

19th Jun 2018 6:45pm

o4dn

Member Since: 08 Jan 2010
Location: South West
Posts: 538

2009 Defender 90 Puma 2.4 SW Alaska White

In case you need it...

“A Land Rover immobilized is a moral defeat for the driver and bad publicity for the vehicle, […] it's up to you to do justice to your Land Rover!” - Land Rover Driving Technique.
--
2009 2.4 Puma Defender 90 SW
1979 Land Rover Series 3 88"

20th Jun 2018 7:28am

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