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Starter?

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cmb2020

Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

2005 Discovery 3 TDV6 SE Manual Aintree Green

Starter?

Hi all

Recently did my alternator got a new denso

Noticed my car is still struggling now and then to start. Yesterday made a weird noise on crank sounded like something was struggling. And the yellow dash light flashes for a second. (Used to be every time with old alternator)

I suspect the starter may be next in line

Would I check it with an ammeter as I did previously (cue Pete k)

Or would there be another way to check the starters condition / draw / fault

I’ve read somewhere it should produce 150 amps - so presuming there’s a differing way to use the multimeter?

Thaanks as always Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales

13th Jan 2023 10:49 am

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10620

2005 Discovery 3 TDV6 HSE Auto Rimini Red

Are you using the car everyday ?

I recall there was 150ma being used for the 2nd battery split charge unit.
If you aren’t using the car as a work horse in winter I would disconnect the split charge wire from main batt and see if things improve.

And also consider disconnecting 2nd battery so it will remain charged for when you really need it! And maintain its life

13th Jan 2023 11:07 am

rrhool

Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4497

2007 Discovery 3 TDV6 SE Manual Zermatt Silver

Is the main battery ok after the failing alternator? Richard

D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.

Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone

13th Jan 2023 11:17 am

Moo
D3 Decade

Member Since: 13 Aug 2010
Location: UK
Posts: 14261

2005 Discovery 3 TDV6 S Manual Zambezi Silver

I have a good used starter you can have for £20 and postage. New Defender L663 110 SE (known as Noddy!)

Sold Volvo XC90 R-Design (known as Basil)

Sold - D4 HSE (Known as Gerty)

No longer the Old Buses original owner

231,000 miles and counting
05 S manual owned from March 2005
D4 Face lifted
Still original injectors and turbo
V8 Front brakes
BAS Remap, Allisport Intercooler and deCat
EGRs blanked
T-Max split charge
Hanibal Expeedition rack
Prospeed ladder
Duratrac tyres
IID BT
BAS FBH control

13th Jan 2023 11:25 am

cmb2020

Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

Use it daily yes

Ok I’ll disconnect the split charge for a few days see how goes cheers

Main battery is ok yes I did buy a new one but went back to my old one since realising it wasn’t the fault and the old one is a better quality

And thanks I’ll give it a go leaving the split charge undone for a little while first and see

If not I’ll come to you for the starter!!

Thanks again as always everyone
Have a good weekend Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales

13th Jan 2023 11:59 am

Flapper

Member Since: 04 Feb 2015
Location: Gloucester
Posts: 343

2005 Discovery 3 TDV6 SE Auto Zermatt Silver

Have a look at this post
https://www.disco3.co.uk/forum/fast-d3-turn-200919.html
see how fast it turns over should be around 250 rpm ish
f

13th Jan 2023 1:23 pm

cmb2020

Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

Cheers flapper

I’ve read that thread previously - so my gap iid will read the starter rpm is that correct?

My car takes 2-3 seconds to crank first thing in morning… Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales

13th Jan 2023 1:53 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10620

You need to charge the battery before trying the test.
If battery low, rpm could be low !

13th Jan 2023 4:19 pm

Flapper

Member Since: 04 Feb 2015
Location: Gloucester
Posts: 343

Way to long put your iid into live values then search for engine rpm then whatch the iid and start the car the iid tool should read about 250 rpm. The graph is good but a faff to get right. mine was 100 rpm so got bg landrovers to change it for the new style disco4 starter and wow starts in less than a second starting rpm is 280 rpm
Also check the earth cable under driverside wheal arch get a jump lead off the earth on the battery and stick it on the gear box or engine or earth under the wheel arch if it starts quicker its a dodge earth if no change new starter.
F

13th Jan 2023 6:31 pm

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