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AVB

Member Since: 04 Jul 2016
Location: Herts
Posts: 15

Starting when hot

I have a 2003 110 TD5 with 164,000 miles on the clock. It always starts from cold on the first turn. However if it is hot then starting after a short stop, for example to refuel, is difficult. takes a number of turns before starting and then sounds rough for a few seconds. Also while turning over the fuel gauge flicks backwards and forwards (not noticed this when starting from cold as it starts so quickly).

If I leave it for longer, say 30 minutes, it starts ok.

Any ideas?

17th Jan 2017 9:53pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4788

It could be the starter solenoid on the way out. Can cause strange electrical issues and poor starting the running rough could be because the battery voltage has plummeted trying to turn the starter through a poor contact.

A guess but a pretty cheap fix if you can rebuild the solenoid yourself?

Other than that I can only think of injector seals but that shouldn't cause any electrical abnormalities

2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton

17th Jan 2017 10:15pm

gazman

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

if you search on here and probably Google you will find I had the same problem (very similar)
it was caused by the starter motor internals breaking down and causing spiking and arcing which was being picked up by the crank position sensor and the

struggled to start.
It would always bump start dead easy though or once it had cooled down.

I also had a problem with the contacts on the main relay which made the water guage go into the red and shut the motor down.

Maybe you have a mixture of both? 2014 - current ..... 2003 defender td5 90 (my car)
2009 - current .... 2005 zx10r

17th Jan 2017 10:44pm

AVB

Member Since: 04 Jul 2016
Location: Herts
Posts: 15

Update.

Last weekend set off to drive up to Norfolk. About 30 minutes into journey hear loud tap, tap, tap from engine and loss of power. Up until then engine temp was normal. Lots of smoke/steam from rear. pulled over and opened bonnet. Diesel or oil everywhere. RAC recovery job to garage (Foleys). Diagnosed as a broken piston probably caused by injector seals leaking dumping fuel into the sump.

Replacement 2nd hand engine now being fitted.

It's my first Defender and as much as I love it it's proving expensive so far.

29th Jan 2017 4:15pm

grafty99

Member Since: 15 Aug 2012
Location: North Devon
Posts: 4788

That's not good

29th Jan 2017 7:01pm

Cactus79

Member Since: 09 Jan 2017
Location: Cheshire
Posts: 51

Sorry for the loss, it will be mended soon and the smile will be back on your face.

29th Jan 2017 7:37pm

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