Re: 760 starting problem
Try making sure that the battery connectors are clean and tight. A swift tap
on top of them with a large screwdriver handle (plastic) may well make the
difference between starting and not starting.
All the best, Peter.
700/900/90 Register Keeper,
Volvo Owners Club (UK).
"blurp" <firstname.lastname@example.org> wrote in message
> On Wed, 03 Aug 2005 10:03:49 -0400, the illustrious Mike F
> <"mikef2316()"@allsttream.nett> favored us with the following prose:
>>> Well I spoke too soon in praising this car (1988 760GLE) as "hassle
>>> Someone else posted this problem here but I can't find any responses
>>> so I'll post it too.
>>> It has happenend a few times that when I turn the key in the ignition
>>> I hear a single <click> but the engine won't turn over or anything.
>>> All the dummy lights come on and when I turn the key from KP II to KP
>>> III the Seatbelt warning light goes off and the OD up arrow comes on
>>> while I'm holding the key in that position and then return to normal
>>> when I release. I suspected the sensor that detemines the car is not
>>> in gear (i.e. in P or N) but shifting from P to N and all around had
>>> no effect. Checked all the fuses and the connections to the battery,
>>> all seemed fine.
>>> After a few tries it would finally catch and turn over and start just
>>> fine as though there was never a problem. It's happened about 6 times,
>>> each time a few weeks apart and each time getting going after a few
>>> minutes and something else was tried (nothing has worked more than
>>> once). For example:
>>> 1. Started when I turned the key and fiddled with the window switches.
>>> 2. Started when I turned the key and turned the steering wheel.
>>> 3. Started when I pulled the key halfway out (my ignition doesn't lock
>>> in the key).
>>> 4. Started when I rapidly turned the key from KP I to KP III in one
>>> swift motion.
>>> 5. Started when I rapidly turned the key from KP II to KP III and back
>>> a dozen times as fast as I could.
>>> 6. The last time (today) I connected my voltmeter across the battery
>>> terminals to ensure the battery was charged (it showed 12.5v) and when
>>> I set it so I could see it from inside the car and went to check how
>>> the voltage dropped when I turned the key, the damned thing started.
>>> This was the last time so I haven't tried it again... yet.
>>> So the list of things I'll try is getting longer but none seems to be
>>> the fix. This afternoon I was stranded for 20 minutes, not sure if it
>>> would start at all.
>>> Every time it was when the car was hot and I just ran into a store or
>>> something and came out. Could it be temperature related? Is there some
>>> power threshold below which the battery can't turn the starter even
>>> Ignition switch? Starter motor? Both? Neither?
>>I've heard of ignition switches, starter motors and batteries all
>>failing in this manner.
> I was able to find some reference to this problem on BrickBoard which
> suggested lightly tapping the starter when this no-start condition
> occurs. If it starts then you've found the problem, if not then you've
> eliminated a suspect. I just have to find the starter in there.
> Unfortunately I don't know exactly how to precipitate the no-start
> condition so I'll have to be prepared to try it when it happens.
> I don't know if there's any way to test the ignition switch but
> nothing else seems to be failing and all other electrical systems work
> great even when the car won't start. When it does finally start it
> starts strong so if the battery is the problem I don't know how it
> could be diagnosed (by myself or the garage).
> Any ideas how to test the ignition switch?