post-offroad smell and sound

J

John Newgard

I recently took my '91 L-series (carbureted EA82) offroad in light
sand. After driving for an hour in 4WD-hi (mostly 3rd and 4th) I
stopped and noticed that the car was making a funny sound. It was sort
of a hum or whirring sound coming from tthe engine compartment. I
popped the hood and found the sound to be coming from the right side of
the air filter (or whatever that thing is on top of the engine that has
a peanut-shaped lid held on by 3 wing nuts). Could anyone tell me what
this sound might be? The sound persists, 5 days and 400 km later.

The following morning, still driving in the sand, I had been driving
for 1/2 hour before driving a few minutes along a track with very low
shrubs up the middle. I happened to get out of the car while it was
running and noticed a new smell that would waft up from the wheel
wells, from under the front bumper, and from the engine compartment
once I had popped the hood. The smell is subtle, sort of like the
smell of rotten wood. The smell persists. I checked for any bits of
shrub that may be caught under the car--nothing.

Last bit of info--the temperature gauge indicated the engine
temperature was normal.

I noticed a similar (yet slightly different) smell that developed in my
'89 Legacy VZ (quad-cam).

Any thoughts?

John
 
John Newgard wrote:

The following morning, still driving in the sand, I had been driving
for 1/2 hour before driving a few minutes along a track with very low
shrubs up the middle. I happened to get out of the car while it was
running and noticed a new smell that would waft up from the wheel
wells, from under the front bumper, and from the engine compartment
once I had popped the hood. The smell is subtle, sort of like the
smell of rotten wood. The smell persists. I checked for any bits of
shrub that may be caught under the car--nothing.

My wife claims she can smell the viscous
coupling working when she drives in the
snow. Sort of a hot oil smell. Never
experienced it myself.
 

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