How many electric motors does your car have? My '87 740 has 27
(unless I can think of any more). Higher spec., newer cars should
easily be able to exceed this.
1 x starter motor
1 x windscreen wiper
1 x rear screen wiper
2 x headlight wipers
2 x screen wash bottle (front and rear)
1 x radio aerial
1 x cassette player
4 x window motors
5 x door/tailgate lock motors
1 x heater blower
4 x door mirror motors (2 in each)
2 x fuel pumps
1 x electric clock
1 x LPG/petrol actuator (as per conversion to LPG)
Sometime soon I may be fitting one to the sunroof. I've not counted
the speedo or rev counter, though I suppose these could be included on
a technicality.

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Boris Mohar - 19 Mar 2005 00:37 GMT
>How many electric motors does your car have? My '87 740 has 27
>(unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 18 lines]
>the speedo or rev counter, though I suppose these could be included on
>a technicality.
Idle control valve on mine is a true DC motor.
Regards,
Boris Mohar
Got Knock? - see:
Viatrack Printed Circuit Designs (among other things) http://www.viatrack.ca
Alfred - 19 Mar 2005 02:42 GMT
Door/locks are solenoids,
3 seat motors in my driver seat
1 sunroof motor
2 radiator fans
945-93 295000kms
>How many electric motors does your car have? My '87 740 has 27
>(unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 18 lines]
>the speedo or rev counter, though I suppose these could be included on
>a technicality.
Stewart Hargrave - 19 Mar 2005 14:23 GMT
>Door/locks are solenoids,
Are you sure about this? I'm surprised that your 940 should be
different to my 740 on this detail.
>3 seat motors in my driver seat
>1 sunroof motor
>2 radiator fans
>
>945-93 295000kms

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Alfred - 19 Mar 2005 15:49 GMT
Absolutely sure, cause I had to open the panel to install a remote !
Stewart Hargrave a écrit:
>>Door/locks are solenoids,
>
[quoted text clipped - 6 lines]
>>
>>945-93 295000kms
James Sweet - 19 Mar 2005 21:22 GMT
> >Door/locks are solenoids,
>
> Are you sure about this? I'm surprised that your 940 should be
> different to my 740 on this detail.
The "lock motors" on my 740 are solenoids as well, there's two of them that
pull in on opposing sides of a lever, it's all one assembly and is
technically a motor as is any other solenoid, they convert electrical energy
into mechanical motion, solenoid is simply a subclass.
Stewart Hargrave - 20 Mar 2005 02:55 GMT
>> >Door/locks are solenoids,
>>
[quoted text clipped - 3 lines]
>The "lock motors" on my 740 are solenoids as well, there's two of them that
>pull in on opposing sides of a lever,
OK. My experience is only with units that have little motors in them,
as fitted to my current 740, and some earlier 200s
>it's all one assembly and is
>technically a motor as is any other solenoid, they convert electrical energy
>into mechanical motion, solenoid is simply a subclass.
FFS, it was just an mildly amusing distraction that I idled away a
traffic jam with. I wasn't hoping for an exposition of subtle points
of definition.
Jeez... Volvo owners, eh?

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jcshreve@comcast.net - 19 Mar 2005 00:50 GMT
> How many electric motors does your car have? My '87 740 has 27
> (unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 23 lines]
>
> For email, replace 'SpamOnlyToHere' with my initials
jcshreve@comcast.net - 19 Mar 2005 00:54 GMT
Don't overlook the motor that drives your odometer...
Stewart Hargrave - 19 Mar 2005 14:34 GMT
>Don't overlook the motor that drives your odometer...
28.
I'm thinking that a high spec. car with 3 way electric seats, interior
mirror, convertable roof, self closing doors, DVD player, and any
number of other things, may be able to exceed 50.

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Rob Guenther - 19 Mar 2005 18:29 GMT
I seem to recall reading somewhere that the new Phaeton (VW) and Maybach
(Mercedes) have over 100 individual motors each :-)
...... and probably way more computer power then most people had access to
in the mid 90's
>>Don't overlook the motor that drives your odometer...
>
[quoted text clipped - 3 lines]
> mirror, convertable roof, self closing doors, DVD player, and any
> number of other things, may be able to exceed 50.
vinran1@bellsouth.net - 22 Mar 2005 13:56 GMT
Lucky you don't have power seats!!!
There's another 8 motors...
>Don't overlook the motor that drives your odometer...
Erik Ekedahl - 19 Mar 2005 01:39 GMT
Some of those 'motors' on your list may not be motors. I think one or two of
them may be solinoids instead, mainly the Locks (unless you have one of
those trunks that latch partly open then pull it the rest of the way
closed), and the LP actuator might be one as well. (many are solinoids)
Erik of Ekedahl
> How many electric motors does your car have? My '87 740 has 27
> (unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 18 lines]
> the speedo or rev counter, though I suppose these could be included on
> a technicality.
Michael Cerkowski - 19 Mar 2005 10:25 GMT
I have a DC fan to replace the (surprise!) non-functiong A/C.

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Stewart Hargrave - 19 Mar 2005 14:18 GMT
>Some of those 'motors' on your list may not be motors. I think one or two of
>them may be solinoids instead
Motors are motors in all cases. Solenoids not counted.

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Erik Lid?n - 19 Mar 2005 17:56 GMT
> How many electric motors does your car have? My '87 740 has 27
> (unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 23 lines]
>
> For email, replace 'SpamOnlyToHere' with my initials
The heat control valve and air distrubution are both controlled by motors on
modern cars, not sure about how many.
/Erik Lid?n
Bill - 17 Jul 2005 21:26 GMT
>> How many electric motors does your car have? My '87 740 has 27
>> (unless I can think of any more). Higher spec., newer cars should
[quoted text clipped - 29 lines]
>
> /Erik Lidén
The only thing is, the more of them you have, the more there are to go
wrong!
Bill