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26th January 2021, 19:10 | #1 |
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Odd breakdown.
I had an odd event with my car today and wondered if anyone here might be able to throw some light on it.
Obviously at the present time the car is not getting much use. Before today I last used it 9 days ago and since then it has sat on my drive. I had to go to the doc's today. I swept the last of the snow off it and it started first time, as usual, so off we went. I drove about 3 miles, stopped for about 15 minutes and when I returned, it started-up first time and I went to my next destination, Tesco, another mile or two away. I stopped for another 10 minutes and when I came back to the car and turned the key the dash lights came on but the engine didn't turn over at all, there was no sound at all, no clicking of solenoids, nothing. It was like the car had been left in Drive and so wouldn't start. I checked it was in Park, moved the gear selector back and forth for good measure, and tried the key several more times but still nothing. I called my neighbour to come and assist me, he used to own a ZT-T, it took him ten minutes to arrive and we both puzzled over what might be the fault for another ten, I checked the plenum for standing water, no problem there. Kindly passers-by offered me the use of jump-leads and one even offered a battery booster but I was fairly sure it wasn't the battery. Then, even though we hadn't done anything to fix any fault, I turned the key again and it just started like normal and I was able to get home with no further incident. Obviously, I don't want this happening again. Is there anything that might have become frozen, while driving along, that could have caused these symptoms? Something that might have defrosted itself over the 30 odd minutes the warm car was sitting in Tesco's car-park, refusing to start (I know I'm clutching at straws)? Where is the switch/sensor located that tells the ECU the car is in Park when the ignition key is turned? Is it shielded from the elements? Any other ideas? Thanks in advance for any suggestions, as always. |
26th January 2021, 19:29 | #2 |
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MG ZT CDTI 135 + & MGZT CDTI AUTO 160 & ROVER 75 TOURER CDTI 160 TROPHY YELLOW Join Date: Aug 2013
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The gearbox isolator unit is fitted at the top of the front of the autobox, I’d be a little surprised if that was the issue, have you checked the spade terminal on the starter motor
Mick
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26th January 2021, 19:45 | #3 |
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Had almost exactly the same fault with my 75 tourer a few years ago, turned out to be starter motor solenoid contacts, easy enough job to do and the repair kit was easy to obtain and didn't cost much at all.
Would be worth checking the solenoid wire connector for corrosion/ poor connection first though. Hope that helps, Paul. |
26th January 2021, 19:50 | #4 | |
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Quote:
Thanks, the engine had been without its undershield for some years prior to last summer so it wouldn't be a surprise. |
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27th January 2021, 08:55 | #5 |
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With a failed connection you won't hear any clicks from the starter motor, but if the solenoid contacts have worn you will hear a single click every time you attempt to start the car.
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27th January 2021, 13:16 | #6 | |
Just going about!
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Quote:
Hope that helps, Paul. |
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26th January 2021, 19:48 | #7 | |
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Quote:
I haven't checked anything yet, primarily because I had no idea where to start. Thanks for this, I'll certainly check it out and clean it up anyway, as soon as the weather improves a little. |
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