Heater not working.. Help!!
11-30-2009, 06:05 AM
#1
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E55
Heater not working.. Help!!
Anybody here ever had problems with their heaters?
No matter what temperature I adjust the heat to it blows cold air.
Any help would be appreciated.
Thanks!
No matter what temperature I adjust the heat to it blows cold air.
Any help would be appreciated.
Thanks!
12-03-2009, 10:36 AM
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2005 S55 1982 300dt
There has to be a valve that ports coolant through the heater core. I remember replacing one an an 300e years ago....I think it was called a duo valve? It was in the engine comparment near the firewall. Don't know where it might be or what it is called on the E55
