Foul Weather Mystery
knotnook at traverse.com
Mon Nov 18 19:54:41 EST 2002
Alternator. When it gets soaked it doesn't put out all the power it
should. Especially if it's already compromised by old age.
At 04:53 PM 11/18/2002 -0700, Peter Sebestyen wrote:
>I posed a "baffling problem" to the list on 10/16/02 regarding a "loss of
>power in foul weather". The general consensus was to replace my plug wires
>and the problem should be resolved. I replaced the wires as suggested
>however the problem is still there. More than likely, I mis-stated the
>symptoms since it had been a while since the car exhibited the problem.
>I'll try to give a better description now.
>I'm driving a '91 200q20V Wagon, Hoppen Chip, K&N Filter, Bilstein's,
>otherwise stock. The car is solid and strong until I hit heavy rain,
>standing water or sloppy, slushy conditions at which time the car develops a
>throaty, grumbly sound with accompanying vibration. Sometimes it will start
>to screech and scream - LOUDLY. When it happened this weekend, I put it in
>neutral and revved the motor - the screaming continued regardless of RPM's,
>however the throaty noise did follow the RPM's. It's difficult to say if
>there is an associated power loss because the noise is so disturbing that I
>slow down and try get off the road. On Friday, the screaming was VERY LOUD!
>But by the time I got off the road, it had stopped. Within a few miles, the
>road turned from wet slop to dry pavement and the symptoms vanished. In
>Colorado, sloppy and/or heavy rain conditions are usually short lived so I
>have just dealt with it over the past couple of years. Now I want it fixed!
>One more thing, it does NOT happen when the roads are snow covered - there
>has to be water.
>Background: New belts last month, new plug wires last week.
>Ideas: Exhaust? Breaks (UFO's)? Some sort of thermal condition inducing
>Any help will be greatly appreciated!
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