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-   -   1993 190e heating problem (http://www.peachparts.com/shopforum/tech-help/167526-1993-190e-heating-problem.html)

vanman2006 10-15-2006 03:41 PM
1993 190e heating problem
 
I get a little heat when the car is idling but when at highway speed blows cold air. I have trouble shooted everything,water pump,thermostadt,heater valve,and air intake in dome light.All that is left is the potentiometer without taking the dash off. Could this be the solution? Can I access through the speedo.
thanks!

mbdoc 10-16-2006 08:19 AM
IF you disconnect the heater valve vacuum line does the car get hot inside?

NOTE: the center vent will never get hot!

vanman2006 10-16-2006 08:45 AM
No,I dont think the mechanic did that yet. Is there a method to it?
thanks for your help!


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