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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Dead battery and cannot open doorsViews : 2425 Replies : 14Users Viewing This Thread : |
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Oct 13th, 2019, 20:57 | #1 |
New Member
Last Online: Jan 6th, 2024 09:08
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Location: Sheffield
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Dead battery and cannot open doors
Hi,
My X reg V70 has a very dead battery - the remote locker will not open the doors, neither will using the actual key in the doors. Any assistance in being able to get in to re-charge the battery, or charge the battery without getting into the car (is that even possible?!) would be appreciated. Once re-charged it is going up for sale (decent condition and just over 100,000 on the clock) Thanks |
Oct 13th, 2019, 21:24 | #2 |
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Last Online: Yesterday 15:16
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Location: London/West Country
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Hi
So if you use the key in the drivers door, it turns but doesn't unlock? Does the tailgate have a lock that you can open with a key, and climb in? Or, with some gymnastics it should be possible to open the bonnet form below, then you can charge the battery in the normal way. I havent done it myself, but what you need to do is reach up to the bonnet latch (one on each side) and pull the cable that runs across the front of the car, behind the top of the slam panel. Maybe google it. It should be possible without causing damage. Or I think a cable runs permanently from the starter (not the solenoid) to the battery positive? If you can connect a live to that, and connect a negative to ground, then things might start working, but take care not to cause sparks or a fire. HTH Steve Steve Steve
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V70 2.5 Turbo AWD Man. 1999 Red V70 2.5 10V Auto 1998 Green C70 T 20V Auto Conv. 2001 Blue, C70 T5 Auto Conv. 2000 Blue V70 2.5 Turbo AWD Auto 1998 Green, V70 2.5 10V Auto BiFuel 1999 Red (scrapped) V70 20v Auto 1999 Green (scrapped) Last edited by SteveSarre; Oct 13th, 2019 at 21:26. |
Oct 13th, 2019, 21:36 | #3 |
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Last Online: Mar 20th, 2024 18:26
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Use an external charger on the trailer plug, the starter motor, or the alternator to put power into the battery
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Oct 14th, 2019, 08:44 | #4 |
Clogs
Last Online: Dec 26th, 2023 08:04
Join Date: Dec 2012
Location: Canterbury
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Charging battery
Get under the nearside front of the car, and there is a live wire that comes down from the battery which can have its insulation cut open a tiny bit to enable you to attach a live battery charger red wire clip onto it while the negative black wire on any part of the chassis. There is then enough power to unlock the doors with either key or remote.
After that put a bit of insulation on the exposed bit of wire to cover it up again. I had this problem after the battery was drained while leaving the car all day in the drive with the warning lights on unnoticed ... easily done as just touching near the ash tray / radio hits the switch down there. Flat battery and the door won't unlock because no electricity to lift the lock mechanism. |
Oct 14th, 2019, 09:21 | #5 |
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Location: Presteigne, mid Wales
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Bit concerned that using the key in the drivers door lock doesn't work...it should.
Maybe a good idea to remove door card / outside handle and check lock...when you've got into it that is. |
Oct 14th, 2019, 11:06 | #6 | |
Volvo Nutcase
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Quote:
I thought a V70 would have had a key lock on the boot behind a small cover panel/flap. The boot ones tend not to seize as the cover stops water getting in.
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Andrew 1998 S70 T5 CD AUTO Previously a 1990 240 GLT-R |
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Oct 14th, 2019, 14:02 | #7 | |
Clogs
Last Online: Dec 26th, 2023 08:04
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Location: Canterbury
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Dead battery
Quote:
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Oct 14th, 2019, 17:09 | #8 | |
Volvo Nutcase
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Quote:
Seems to me to be a poor design not having a mechanical means of entering the car. Also strange to change the design from something that worked pretty well on a model. Possibly a case of "lets canbus/computer control everything including the door locks because we can?"
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Andrew 1998 S70 T5 CD AUTO Previously a 1990 240 GLT-R |
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Oct 14th, 2019, 18:09 | #9 |
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The key of my P1 V70[registered 1/1/2000] locks/unlocks the drivers door even with the battery removed from the car,or all the doors as long as there's enough power in the battery,which is just as well as I don't have a remote fob for it!Mine also doesn't have a key lock on the tailgate[just a blanking plug under the flap]but I believe these were only fitted when the extra seats in the back were fitted.
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Oct 14th, 2019, 21:51 | #10 |
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Last Online: Jan 6th, 2024 09:08
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Location: Sheffield
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Thanks for the comments and suggestions. I have not tried anything yet, as the weather is horrible.
It does appear the door key mechanism needs some power to it to fully work, it turns the whole way, but only 'clunks' slightly with the door knob inside only lifting up slightly. I doubt it is rusted shut etc as I often used the key to open the car. There is no tailgate key lock unfortunately. Also, I can't quite remember if it is this V70 - but isn't the battery actually in the boot and not under the bonnet? I havent looked for a while. Therefore no point in just opening the lid - I do need to still get into the car to recharge/replace the battery. This is a 2.0 litre petrol engine. If that makes a difference. *edit* found the link, showing where the battery is. It is in the boot - I wasn't going mad! http://www.volvohowto.com/how-to-rep...tery-location/ So, any new suggestions? I will try the WD-40 Penetrating spray idea, worth a shot! Beyond that I am stuck and it may be a call out to the locksmith? Last edited by AJR; Oct 14th, 2019 at 21:55. |
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