[MBZ] Bad thermostat

[Marshall Booth]

Curt Raymond wrote:
> On the way to work this morning in heavy stop and go traffic the temp gauge on the 190D dropped to 60C. Heater output dropped correspondingly.
>   Seems to me like I've got a sticky thermostat. That stinks, its a new thermostat last month. What kind of stuff could make a thermostat stick open? I've had 'em stick closed when using bars leaks and stuff but never had one stick open...
>   I'll have my Indy change coolant when he does the thermostat this time.

Aftermarket thermostats have a poor history of out of the box failures. 
Factory thermostats are about twice as good, but bad ones are still not 
uncommon (maybe 5-10%).

Marshall
-- 
	  Marshall Booth (who doesn't respond to unsigned questions)
       "der Dieseling Doktor" mbooth at pitt.edu
'87 300TD 182Kmi, '84 190D 2.2 229Kmi, '85 190D 2.0 161Kmi, '87 190D 2.5 
turbo 237kmi