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Roadster Starter Motor #556568
29/01/19 04:22 PM
29/01/19 04:22 PM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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John V6  Offline OP
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Suffolk
My S1 starter motor doesn't always turn. I get a click, the immobiliser light is off & when I rock the car in gear it will release & start.

I plan therefore to replace the starter motor.
Has anyone done that ? Any advice on how to do it & who to get a new one from?
John


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #556570
29/01/19 04:24 PM
29/01/19 04:24 PM
Joined: Jul 2007
Posts: 22,493
Cheltenham, Glos. UK
Graham, G4FUJ Offline
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Graham, G4FUJ  Offline
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I wonder if the "Hi-Torque" type starter is available to fit these engines. Probably not necessary, just thinking out loud... smile


Graham (G4FUJ)

D8921 L44FOR '93 4/4 Giallo Fly 2 seat smile
'90 LR 90 SW
'07 MINI Cooper
Re: Roadster Starter Motor [Re: John V6] #556571
29/01/19 04:29 PM
29/01/19 04:29 PM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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John V6  Offline OP
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I did wonder that Graham


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #556583
29/01/19 05:50 PM
29/01/19 05:50 PM
Joined: Apr 2011
Posts: 7,798
The frozen North
J
Jack The Lad Offline
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Jack The Lad  Offline
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J

Joined: Apr 2011
Posts: 7,798
The frozen North
I had problems with my 4/4 1905cc sometimes it would start sometimes it refused this was anyday and any weather. A starting motor with attitude . Ben Duncan had sent me several one may start it when cold but not hot . Then another would do the other way . It was like banging my head against the brick wall . Lying in the snow is no fun . So I contacted this firm and asked if they could help they made me one and never had a problem its a few years ago one chap on TM had the same problem and I gave him the firms details he popped it on TM they sorted his problem also . May be worth a telephone call.

Here are 2
AES
Auto Electric Supplies Ltd
Worcestershire

01584 819552.
it cost me total 158.63 33/07/2010 ( HIGH TORQUE )


Also this firm in my files
PowerLite
Moor Street Brierley Hill Dudley West Midlands
DY 3SU, ENGLAND

www. powerlite-units.com


01384 261984

GOOD LUCK



Originally Posted By John V6
My S1 starter motor doesn't always turn. I get a click, the immobiliser light is off & when I rock the car in gear it will release & start.

I plan therefore to replace the starter motor.
Has anyone done that ? Any advice on how to do it & who to get a new one from?
John

Last edited by Jack The Lad; 29/01/19 05:51 PM.
Re: Roadster Starter Motor [Re: John V6] #556626
29/01/19 07:52 PM
29/01/19 07:52 PM
Joined: Nov 2015
Posts: 1,118
Yorkshire
CooperMan Offline
Has a lot to Say!
CooperMan  Offline
Has a lot to Say!

Joined: Nov 2015
Posts: 1,118
Yorkshire
Originally Posted By John V6
My S1 starter motor doesn't always turn. I get a click, the immobiliser light is off & when I rock the car in gear it will release & start.

I plan therefore to replace the starter motor.
Has anyone done that ? Any advice on how to do it & who to get a new one from?
John


John, never known an S1 Roadster starter to fail, are you really high mileage with 1000's of starts ?

First I would clean up the main heavy cable connection into the solenoid & engine earth strap, they often look a bit crusty on Mogs I've worked on


Jon M
Re: Roadster Starter Motor [Re: John V6] #556628
29/01/19 07:58 PM
29/01/19 07:58 PM
Joined: Dec 2008
Posts: 17,597
South Yorkshire
DaveW Offline
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DaveW  Offline
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South Yorkshire
Check the hole at six o'clock in the bellhousing John. You can see the ring gear, and if a cover plate isn't fitted it will allow water and road debris to enter the bellhousing.

The starter on my Roadster had a Jaguar sticker and number.....if you look at my early posts there's photo which shows the number.

Got it! http://www.talkmorgan.com/ubbthreads.php/topics/38329/2

AHVFA Jaguar 12v
3R83 11,000 AA
4161AI India


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4
Re: Roadster Starter Motor [Re: John V6] #556656
29/01/19 09:23 PM
29/01/19 09:23 PM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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Dave,
I covered the bolt hole a long time ago.
In Holland this week but will check the car Friday.
John

Also plan to check all the connections & replace the relay.
The car has done 35.5k miles.


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #556659
29/01/19 09:56 PM
29/01/19 09:56 PM
Joined: Feb 2016
Posts: 1,842
East Harling, Norfolk UK
Richard Wood Offline
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Richard Wood  Offline
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East Harling, Norfolk UK
Just a thought but starter solenoid which piggybacks the motor may be at fault. Symptons are loud click but no churning of engine.

Mechanics stick a large screwdriver across main solenoid terminals and see if motor spins up. It won't engage of course but indicates which is faulty. Not sure if latest starter motors have service replacement solenoids though.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Roadster Starter Motor [Re: John V6] #556679
29/01/19 10:58 PM
29/01/19 10:58 PM
Joined: May 2010
Posts: 6,313
Llanelli
sospan Offline
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Llanelli
Definitely check the solenoid and connections, especially the earth.Years ago I had a car (not Morgan) with the same symptoms of clicking but no engagement. The motor itself was ok but the solenoid failed to engage the gear. A local auto electrical specialist cleaned and sorted it. I occasionally had to tap the solenoid (with a piece of wood )on the top of the motor to unstick it.


Red Plus8
Re: Roadster Starter Motor [Re: John V6] #556703
30/01/19 08:10 AM
30/01/19 08:10 AM
Joined: May 2014
Posts: 3,544
Essex
Burgundymog Offline
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Essex
Originally Posted By John V6
My S1 starter motor doesn't always turn. I get a click, the immobiliser light is off & when I rock the car in gear it will release & start.

I plan therefore to replace the starter motor.
Has anyone done that ? Any advice on how to do it & who to get a new one from?
John


Could be damage to the ring gear or starter dog.


Keith
2013 narrow bodied + 4 Ruby. Wolf performance Re-map suspension mods and K&N cone filter.
Re: Roadster Starter Motor [Re: sospan] #556704
30/01/19 08:24 AM
30/01/19 08:24 AM
Joined: Feb 2016
Posts: 1,842
East Harling, Norfolk UK
Richard Wood Offline
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Richard Wood  Offline
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East Harling, Norfolk UK
Originally Posted By sospan
Definitely check the solenoid and connections, especially the earth.Years ago I had a car (not Morgan) with the same symptoms of clicking but no engagement. The motor itself was ok but the solenoid failed to engage the gear. A local auto electrical specialist cleaned and sorted it. I occasionally had to tap the solenoid (with a piece of wood )on the top of the motor to unstick it.


Yes to work efficiently the solenoid armature has to be a close fit to the soft iron core surrounding it, which provides the magnetic field to energise. A tiny amount of corrosion on the armature can cause it to partially jam giving rise to the temporary cure of tapping it with a soft hammer.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Roadster Starter Motor [Re: John V6] #556781
30/01/19 04:56 PM
30/01/19 04:56 PM
Joined: Dec 2008
Posts: 17,597
South Yorkshire
DaveW Offline
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South Yorkshire
The most unusual problem I had with a clicking solenoid was a hairline crack in the battery positive terminal.


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4
Re: Roadster Starter Motor [Re: John V6] #556916
31/01/19 10:30 AM
31/01/19 10:30 AM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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Too cold to fiddle today -2c. But I turned the car over & it started perfectly.


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #557362
01/02/19 09:47 PM
01/02/19 09:47 PM
Joined: Apr 2014
Posts: 3,085
Dorset, UK
milligoon Offline
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Dorset, UK
If it's the Jag one fitted to mine then it already is a high torque type, the problem with mine was that it was over greased and the dust from the clutch gummed up the works in the solenoid.

Stripped it down cleaned it leaving the shaft grease free, put it back on and it worked a treat.


Mark - No Longer driving
Archie the Old English Sheep Mog...........
2010 Roadster 3.0 V6 (S3) wink
Re: Roadster Starter Motor [Re: John V6] #557458
02/02/19 02:42 PM
02/02/19 02:42 PM
Joined: Apr 2016
Posts: 137
Hampton Hill, Middx.
DavidR Offline
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DavidR  Offline
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Joined: Apr 2016
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Hampton Hill, Middx.
I had a similar problem on a K series caterham, that didn't like to start when the engine was hot. Being a passenger on a track day with my son facing oncoming traffic at Brands following a spin, reminds you why you need a reliable starter!

It was finally tracked down to the starter not being exactly square to the flywheel and ring gear this was exaggerated when hot, effectively jamming the starter. Being tucked up under the exhaust manifold, didn't help either. A high torque replacement and some fettling of the mounting flange to square it up, solved the problem.

Not spinning also helps blush


David
Aero S4
Re: Roadster Starter Motor [Re: John V6] #559335
12/02/19 11:11 AM
12/02/19 11:11 AM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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Well as I had time today & it is a balmy 10c so I started the testing.
To my joy when I used a jump lead as a second earth it started. Take of the jump lead a it would only click.

The earth from the engine is hard to reach. I had to take off the air filter for access.

I cleaned up the contact areas & rebuilt it.
Will now buy a second earth lead as belt and braces.


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #559337
12/02/19 11:21 AM
12/02/19 11:21 AM
Joined: Dec 2009
Posts: 20,732
Devonshire
+8Rich Online content
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That's a good one fixed John thumbs.


Regards Richard

1999 Indigo Blue +8
2009 4/4 Sport Green
1994 Connaught Green +8





Re: Roadster Starter Motor [Re: John V6] #559347
12/02/19 11:50 AM
12/02/19 11:50 AM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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Yes Richard. I spent last week on holiday worrying about it.
The crazy part is the earth looked fine & was tight.


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #559358
12/02/19 01:23 PM
12/02/19 01:23 PM
Joined: Feb 2016
Posts: 1,842
East Harling, Norfolk UK
Richard Wood Offline
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Good result John. As the chassis is an important part of this high current circuit it may be worth checking the negative battery connection to it as well.

Ohms law dictates that a fixed resistance will create a volt drop proportional to current.


Richard

2018 Roadster - Red/Magnolia - "Morton"
1967 Land Rover series 2a SWB
1960 Velocette Venom
Re: Roadster Starter Motor [Re: John V6] #559360
12/02/19 01:38 PM
12/02/19 01:38 PM
Joined: Jul 2007
Posts: 13,700
Suffolk
John V6 Offline OP
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Yep, I made a mental note to self to look at all the earthing points tomorrow when I will have the time.


JohnV6
2006 Indigo Blue Roadster S1
Re: Roadster Starter Motor [Re: John V6] #559521
13/02/19 08:03 AM
13/02/19 08:03 AM
Joined: Jul 2007
Posts: 22,493
Cheltenham, Glos. UK
Graham, G4FUJ Offline
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Similar problem with my first 4/4. Starter always turned, but on a cold start after a few days non-use would always be slow.
I ended up adding an additional earth lead from gearbox to chassis and replacing the battery lead.


Graham (G4FUJ)

D8921 L44FOR '93 4/4 Giallo Fly 2 seat smile
'90 LR 90 SW
'07 MINI Cooper
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