RE: odor of burning rubber

["Binns, Dick" <dick.binns@intel.com>]

Just had the same problem happen on an 88 5kcstq in very similar 
circumstances. Car was parked three days at mountain lodge with lots of 
snow/ice and had to be dug out.  Started easily, but heater has been 
putting out burnt rubber smell all the time since then.  Began to smell as 
soon as the car warmed up, even before we drove it.  Odor seems to reduce 
or go away when heater control is turned to low.  

Have yet to investigate but does not seem engine related.  Speculating it 
could be piece of rubber against the heater core or something w/Cat.  I'm 
struck by event being brought on by extreme weather conditions in two 
cases.  Prior to parking at the lodge we'd never encountered the smell.

Any other experiences out there? Thanks.
Dick Binns
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 The other day (-15 to -20F), I cruised briefly through a  bit of 6 to 8"  
snow on our back roads and later on drove into town. On the way back, I > 
noticed  a faint odor of burning rubber when the car was driven slowly  
stopped..........suspect something related to exhaust, CV boots, 
etc.--possibly caused by driving through the deep snow? It's 10F right now 
and I'll need to be laying on snow and ice to investigate, so any 
suggestions on where to look would be appreciated.
          
Phil
'91 200q