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Home > Technical > Car starting Intermittently |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3156 |
Are you sure that the Starter Motor is being energised, if so it must be a '12v Battery to Starter' poor connection. If not, it is in Start Procedure chain of actions. The forum has, on very rare occasions, had poor/damaged wiring/connector problems in the starter command chain. (They can be difficult to diagnose and repair)
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21st Dec 2024 5:42 pm |
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jenks1950 Member Since: 20 Apr 2013 Location: Stevenage Posts: 260 |
This couldn't be the old dodgy solenoid contact problem could it??
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21st Dec 2024 6:47 pm |
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Badger51 Member Since: 01 Mar 2014 Location: Coffs Harbour Posts: 969 |
@jenks1950
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22nd Dec 2024 7:27 am |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5062 |
At the OP.
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22nd Dec 2024 11:31 am |
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jules Member Since: 13 Dec 2007 Location: The Wilds of Warwickshire Posts: 5062 |
I know little of the I6 but the starter is still uses a pre-engaging solenoid "OVERVIEW The starter motor rated at 1.4 kW uses permanent magnets instead of field windings to provide a low-weight starter motor; with the use of planetary gears to deliver a good torque to weight ratio. The starter relay is energized by a signal from the engine control module (ECM) when the ignition is in engine crank mode. The ECM checks that a valid code has been received before granting the engine crank mode request. When the request is granted the starter relay energizes the starter solenoid to engage the starter motor's pinion with the flexplate's ring gear. Once the engine has started and engine speed exceeds starter motor speed the pinion disengages to prevent over-cranking of the starter motor. The electrical power for starter operation is supplied via a cable connected directly from the battery positive terminal to the solenoid." Jules |
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22nd Dec 2024 11:38 am |
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p_gill Member Since: 06 Dec 2011 Location: USA Posts: 1245 |
Less common repairs I. Starter motor - typically fails at 100,000 miles or 10 years https://www.freel2.com/forum/topic32504.html I replaced my Starter at about 10 years for my 2008 3.2 The Volvo owner with the same 3.2 seem to get more life from their starter. My memory says that Bosch has a different part number for Land Rover than Volvo. I can't prove but I suspect that any difference would be due to water proofing (i.e. Wading depth). A Volvo S80 isn't rated for the amount of water that the LR2 can handle (assuming the check valve in the air box is working) Good luck Paul |
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22nd Dec 2024 8:53 pm |
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Badger51 Member Since: 01 Mar 2014 Location: Coffs Harbour Posts: 969 |
Thanks for that Paul, did you strip the old starter to see what was wrong? (Now Sold). 2008 Freelander 2 (Nazca Sand) SE TD4 Auto. Statutory write off & on WOVR for hail damage but still road legal.
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22nd Dec 2024 8:55 pm |
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p_gill Member Since: 06 Dec 2011 Location: USA Posts: 1245 |
Very good comments from everyone here on FREEL2.
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22nd Dec 2024 9:05 pm |
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p_gill Member Since: 06 Dec 2011 Location: USA Posts: 1245 |
Unfortunately I did not. Life/work kept me too busy 7 years ago so I never did a failure analysis. Note: the solenoid would not even make a click when powered directly. Thanks Paul Note: I bough a new starter and paid 1/3 of what Land Rover would have charged me at the main dealer's parts counter. Not to mention what if would have cost in Labor. |
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22nd Dec 2024 9:20 pm |
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Marcus97 Member Since: 14 Dec 2024 Location: Montreal Posts: 10 |
Sorry p_gill, I didn't quite understand your comment about trying to start from neutral. I can shift from park to neutral with the ignition on, irrespective of whether the engine wants to turn over or not. I think it's worth mentioning that I can hear the starter make a kind of soft thud when I try to turn over, and then the vehicle seems to lose power as if I had turned off the ignition. Holding the start button (no food on brake) brings the vehicle back to life, whereupon I can try again. It sounds (I known very little about mechanics) like the starter is frozen. Is that even possible? Or simply not getting sufficient power to overcome the friction of the motor? |
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23rd Dec 2024 2:29 am |
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Marcus97 Member Since: 14 Dec 2024 Location: Montreal Posts: 10 |
I'm not sure of anything, so please let me know your thoughts: When I try to turn over the engine, I hear a kind of soft thud, which I assume (again, I know very little) is the starter attempting to move. Could a combination of cold temperatures (-10c) and poor lubrication (I'm past due on an oil change) be enough cause the ECM to cut power to the starter? |
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23rd Dec 2024 2:41 am |
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Marcus97 Member Since: 14 Dec 2024 Location: Montreal Posts: 10 |
That's not something I'd feel comfortable trying myself...I think I'll just have to bring this to my mechanic tomorrow. |
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23rd Dec 2024 2:54 am |
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