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Please help:: belt squeaking/battery voltage variation
Posted by Northerner (more from Northerner) on Sat, 16 Nov 2002 22:28:30
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Greeting to everyone.
I have been the owner of a 1990 saab 9000CD for two weeks during
which I read numerous posting of this BB that helped me adjust
idling symptoms.
This morning, which temperature around the -6 degree celcius,
I started the car up and let it idle for 5 minutes as has been
the habit. As I accelerated, a loud squeaking noise appeared
and the car felt like it didn't have much go to it but I kept
driving very slowly (20km/h) for a distance of 1km hoping that
once really warmed the noise would dissapear. The noise was
eventually gone but it would come back every here and then.
This evening, I started watching for the voltage and realized that
when the squeaking noise was taking place the displayed voltage
was very low in a range varying between 11 volt and 12.6 volt or so.
To help rid the car of the noise, I turned the heater off and the voltage
immediately jumped up to 13.5 volt therefore the noise was gone.
I think the noise is that of a belt. I should also note that I noticed
some problem regarding the heater where it would only get hot when the
car is accelerating. The same hold true for the heater fan.
I would really appreciate it if I can have your comments on what
is really happening under the hood of this beast.
Thanks in advance.
posted by 24.157.7...
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